New Castle County, DE

County

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    2024 Population
    577,961
    US Senator
    Chris Coons
    Democratic Party
    US Senator
    Lisa Blunt Rochester
    Democratic Party
    US Representative
    Sarah McBride
    Democratic Party
    2024 Median Age
    39.3
    0.255% 1-year increase
    2024 Poverty Rate
    10.1%
    0.661% 1-year decrease
    2024 Median Household Income
    $91,166
    1.41% 1-year growth
    2024 Median Property Value
    $352,200
    6.79% 1-year growth
    2024 Employed Population
    293,043
    0.628% 1-year growth

    About

    None of the households in New Castle County, DE reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

    94.3% of the residents in New Castle County, DE are U.S. citizens.

    The largest universities in New Castle County, DE are University of Delaware (6,193 degrees awarded in 2024), Wilmington University (3,770 degrees), and Dawn Career Institute LLC (318 degrees).

    In 2024, the median property value in New Castle County, DE was $352,200, and the homeownership rate was 69%.

    Most people in New Castle County, DE drove alone to work, and the average commute time was 25.3 minutes. The average car ownership in New Castle County, DE was 2 cars per household.

    About the photo: Nemours Mansion and Gardens
    Photo by Peter Miller
    United StatesDelawarePhiladelphia-Camden-Wilmington, PA-NJ-DE-MD

    Population & Diversity

    New Castle County, DE is home to a population of 578k people, from which 94.3% are citizens. As of 2024, 12.7% of New Castle County, DE residents were born outside of the country (73.5k people).

    In 2024, there were 2.1 times more White (Non-Hispanic) residents (303k people) in New Castle County, DE than any other race or ethnicity. There were 144k Black or African American (Non-Hispanic) and 35.7k Asian (Non-Hispanic) residents, the second and third most common ethnic groups.

    Population & Diversity

    Citizenship

    94.3%
    2024 Citizenship
    94.4%
    2023 Citizenship

    As of 2024, 94.3% of New Castle County, DE residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in New Castle County, DE was 94.4%, meaning that the rate of citizenship has been decreasing.

    The following chart shows US citizenship percentages in New Castle County, DE compared to that of it's neighboring and parent geographies.

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    Diversity

    Race and Ethnicity

    The 3 largest ethnic groups in New Castle County, DE
    1. White (Non-Hispanic)
      303k ± 1.2k
    2. Black or African American (Non-Hispanic)
      144k ± 1.45k
    3. Asian (Non-Hispanic)
      35.7k ± 576
    11.8%
    Hispanic Population
    68.2k people

    In 2024, there were 2.1 times more White (Non-Hispanic) residents (303k people) in New Castle County, DE than any other race or ethnicity. There were 144k Black or African American (Non-Hispanic) and 35.7k Asian (Non-Hispanic) residents, the second and third most common ethnic groups.

    11.8% of the people in New Castle County, DE are hispanic (68.2k people).

    The following chart shows the 8 races represented in New Castle County, DE as a share of the total population.

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    Global Diversity

    The PUMS dataset is not available at the County level, so we are showing data for Delaware.
    Most Common Origin
    1. Mexico
      14,760 ± 2,961 people
    2. India
      11,216 ± 2,586 people
    3. Guatemala
      6,638 ± 1,994 people

    In 2024, the most common birthplace for the foreign-born residents of Delaware was Mexico, the natal country of 14,760 Delaware residents, followed by India with 11,216 and Guatemala with 6,638.

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    Foreign-Born Population

    12.7%
    2024 Foreign-Born Population
    73.5k people
    12.2%
    2023 Foreign-Born Population
    70k people

    As of 2024, 12.7% of New Castle County, DE residents (73.5k people) were born outside of the United States, which is approximately the same as the national average of 14%. In 2023, the percentage of foreign-born citizens in New Castle County, DE was 12.2%, meaning that the rate has been increasing.

    The following chart shows the percentage of foreign-born residents in New Castle County, DE compared to that of it's neighboring and parent geographies.

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    Military

    Veterans

    Most Common Service Period
    1. Vietnam
      8,551 ± 641
    2. Gulf War (2001-)
      5,898 ± 747
    3. Gulf War (1990s)
      3,429 ± 452

    New Castle County, DE has a large population of military personnel who served in Vietnam, 1.45 times greater than any other conflict.

    The chart shows the distribution of veterans by conflict in New Castle County, DE.

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    Health

    94.1% of the population of New Castle County, DE has health coverage, with 53% on employee plans, 15% on Medicaid, 12.5% on Medicare, 12.6% on non-group plans, and 0.993% on military or VA plans.

    Primary care physicians in New Castle County, DE see 1,155 patients per year on average, which represents a 0% change from the previous year (1,155 patients). Compare this to dentists who see 1723 patients per year, and mental health providers who see 239 patients per year.

    By gender, of the total number of insured persons, 48.3% were men and 51.7% were women.

    Coverage

    Patient to Clinician Ratios

    1,155 to 1
    Patient to Primary Care Physician Ratio in New Castle County, DE

    Primary care physicians in New Castle County, DE see an average of 1,155 patients per year. This represents a 0% change from the previous year (1,155 patients).

    The following chart shows how the number of patients seen by primary care physicians has been changing over time in New Castle County, DE in comparison to its neighboring geographies.

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    Health Care Diversity

    In 2024, insured persons according to age ranges were distributed in 23% under 18 years, 21.3% between 18 and 34 years, 38.8% between 35 and 64 years, and 16.9% over 64 years.

    By gender, of the total number of insured persons, 48.3% were men and 51.7% were women.

    The following chart shows the number of people with health coverage by gender.

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    Uninsured People

    5.89%
    Uninsured
    53%
    Employer Coverage
    15%
    Medicaid
    12.5%
    Medicare
    12.6%
    Non-Group
    0.993%
    Military or VA

    Between 2023 and 2024, the percent of uninsured citizens in New Castle County, DE grew by 4.13% from 5.66% to 5.89%.

    The following chart shows how the percent of uninsured individuals in New Castle County, DE changed over time compared with the percent of individuals enrolled in various types of health insurance.

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    Health Indicators

    Health Outcomes

    Indicator

    In 2025, the average number of mentally unhealthy days reported in past 30 days (age-adjusted) was 4.94 in New Castle County, DE.

    The graphic shows the trend of the indicator in New Castle County, DE.

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    Health Behaviors

    Indicator

    In 2025, the percentage of the adult population (age 18 and older) that reports a body mass index (BMI) greater than or equal to 30 kg/m2 (age-adjusted) was 37.6% in New Castle County, DE.

    The graphic shows the trend of the indicator in New Castle County, DE.

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    Clinical Care

    Indicator

    In 2025, the percentage of population under age 65 without health insurance was 6.17% in New Castle County, DE.

    The graphic shows the trend of the indicator in New Castle County, DE.

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    Economy

    The economy of New Castle County, DE employs 293k people. In 2024, the largest industries in New Castle County, DE were Health Care & Social Assistance (47,022 people), Retail Trade (31,752 people), and Finance & Insurance (30,216 people), and the highest paying industries were Utilities ($108,529), Mining, Quarrying, & Oil & Gas Extraction ($93,192), and Finance & Insurance ($88,801).

    Employment

    Occupations

    293k
    2024 Value
    ± 4,827
    0.628%
    1 Year growth
    ± 2.34%

    From 2023 to 2024, employment in New Castle County, DE grew at a rate of 0.628%, from 291k employees to 293k employees.

    The most common job groups, by number of people living in New Castle County, DE, are Management Occupations (34,597 people), Office & Administrative Support Occupations (30,912 people), and Sales & Related Occupations (24,013 people). This chart illustrates the share breakdown of the primary jobs held by residents of New Castle County, DE.

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    Unemployment Insurance Claims

    Data is only available at the state level. Showing data for Delaware.

    This chart shows weekly unemployment insurance claims in Delaware (not-seasonally adjusted) compared with the four states with the most similar impact.

    The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

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    Industries

    Employment by Industries

    293k
    2024 Value
    ± 4,827
    0.628%
    1 Year growth
    ± 2.34%

    From 2023 to 2024, employment in New Castle County, DE grew at a rate of 0.628%, from 291k employees to 293k employees.

    The most common employment sectors for those who live in New Castle County, DE, are Health Care & Social Assistance (47,022 people), Retail Trade (31,752 people), and Finance & Insurance (30,216 people). This chart shows the share breakdown of the primary industries for residents of New Castle County, DE, though some of these residents may live in New Castle County, DE and work somewhere else. Census data is tagged to a residential address, not a work address.

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    Median Earnings by Industry

    $60,880
    Median earning men ± $794
    $48,535
    Median earning women ± $1,302

    The industries with the best median earnings for men in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($98,930), Public Administration ($82,032), and Manufacturing ($81,067).

    The industries with the best median earnings for women in 2024 are Manufacturing ($83,613), Finance & Insurance, & Real Estate & Rental & Leasing ($74,946), and Wholesale Trade ($71,350).

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    Employment by Industry Sector

    Data is only available at the state level. Showing data for Delaware.
    Y-Axis
    2.43%
    Year-over-year growth
    Employment change between February 2022 and February 2023

    As of February 2023, there are 472k people employed in Delaware. This represents a 2.43% increase in employment when compared to February 2022.

    Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 14.1%.

    The following chart shows monthly employment numbers for each industry sector in Delaware.

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    Establishments by Size

    The industries with the most establishments
    1. 1,896
      Professional, Scientific, and Technical Services
    2. 952
      Retail Trade
    3. 928
      Finance and Insurance

    The visualization shows the distribution of establishments by industry and by size according to the number of employees.

    The visualization shows the number of establishments and its share across establishment sizes.

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    Payroll by Industry Sector

    The industries with the highest total annual payroll
    1. $3.84M
      Professional, Scientific, and Technical Services
    2. $3.45M
      Finance and Insurance
    3. $3.29M
      Health Care and Social Assistance

    The chart shows the total annual payroll and the average annual payroll by industry.

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    Civics

    In the 2024 presidential election, the popular vote in Delaware went to Kamala Harris with 56.5% of the vote. The runner-up was Donald J. Trump (41.8%), followed by Robert Kennedy (0.904%).

    Chris Coons and Lisa Blunt Rochester are the senators currently representing the state of Delaware. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

    New Castle County, DE is currently represented by Sarah McBride in the U.S. house, and members of the House of Representives are elected to 2-year terms.

    Presidential Elections

    Voting results are not available for New Castle County, DE. Showing the available data for Delaware.
    2024 Election Results
    1. Kamala Harris (56.5%)
      Democratic Party
    2. Donald J. Trump (41.8%)
      Republican Party
    3. Robert Kennedy (0.904%)
      Independent Party

    In the 2024 presidential election, the popular vote in Delaware went to Kamala Harris with 56.5% of the vote. The runner-up was Donald J. Trump (41.8%), followed by Robert Kennedy (0.904%).

    The following chart shows the popular vote results in Delaware for each registered party from 1976 to 2024.

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    Senator Elections

    US Senators from Delaware

    Senatorial voting results are only available at the state level. Showing data for Delaware.
    Chris Coons
    Senator from Delaware2
    Assumed office on November 15, 2010
    Elected to the seat to succeed Ted Kaufman, who had been appointed to the seat following the resignation of Joe Biden, who had become Vice President of the United States.
    Lisa Blunt Rochester
    Senator from Delaware1
    Assumed office on January 3, 2025

    Chris Coons and Lisa Blunt Rochester are the senators currently representing Delaware.

    In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

    The following chart shows elected senators in Delaware over time, excluding special elections, colored by their political party.

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    US Representative Elections

    US Representatives from New Castle County, DE

    Sarah McBride
    District at-large Representative
    Democratic Party

    New Castle County, DE is currently represented by Sarah McBride (Democratic Party).

    Members of the House of Representives are elected to 2-year terms, and the following chart shows the how the member for New Castle County, DE have changed over time starting in 2008.

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    Education

    In 2024, universities in New Castle County, DE awarded 10,923 degrees. The student population of New Castle County, DE in 2024 is skewed towards women, with 16,024 male students and 24,091 female students.

    Most students graduating from Universities in New Castle County, DE are White (5,996 and 64.9%), Black or African American (1,318 and 14.3%), Hispanic or Latino (857 and 9.27%), and Asian (481 and 5.2%).

    The largest universities in New Castle County, DE by number of degrees awarded are University of Delaware (6,193 and 56.7%), Wilmington University (3,770 and 34.5%), and Dawn Career Institute LLC (318 and 2.91%).

    The most popular majors in New Castle County, DE are Computer & Information Systems Security (812 and 7.43%), General Business Administration & Management (802 and 7.34%), and General Finance (430 and 3.94%).

    The median tuition costs are $13,680 for private four year colleges, and $14,600 and $39,190 respectively, for public four year colleges for in-state students and out-of-state students.

    Admissions & Enrollments

    Applicants, Admissions & Enrolled

    University
    Measure

    In 2024 in New Castle County, DE, the percentage of applicants admitted was 70.9%, while the percentage of admitted who enrolled was 15.8%. The number of students enrolled in 2024 was 40,115 (39.9% men and 60.1% women).

    The line chart  shows the evolution of the percentage of applicants admitted, admitted who enrolled or the number of students enrolled according to the option selected in the upper button.

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    Enrollments by Gender and Races

    Universities

    In 2024 there were 40,115 students enrolled in New Castle County, DE, 39.9% men and 60.1% women.

    By race, the largest number of students enrolled was concentrated in White with 21,457 records, of which 61.9% were women and 38.1% men.

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    Completions

    Concentrations

    Most Common
    1. General Finance
      370 degrees awarded
    2. Registered Nursing
      273 degrees awarded
    3. General Marketing & Marketing Management
      241 degrees awarded

    In 2024, the most common concentation for Bachelors Degree recipients in New Castle County, DE was General Finance with 370 degrees awarded.

    This visualization illustrates the percentage of students graduating with a Bachelors Degree from schools in New Castle County, DE according to their major.

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    Universities

    Gender
    Race
    Largest Universities by degrees awarded
    1. University of Delaware
      6,193 degrees awarded
    2. Wilmington University
      3,770 degrees awarded
    3. Dawn Career Institute LLC
      318 degrees awarded

    In 2024, the institution with the largest number of graduating students was University of Delaware with 6,193 degrees awarded.

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    Student Diversity

    University

    In 2024, 4,513 men were awarded degrees from institutions in New Castle County, DE, which is 0.704 times less than the 6,410 female students who received degrees in the same year.

    In 2024, the most common race/ethnicity group awarded degrees at institutions was White students. These 5,996 degrees mean that there were 4.55 times more degrees awarded to White students then the next closest race/ethnicity group, Black or African American, with 1,318 degrees awarded.

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    Awarded Degrees over Time

    The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

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    Tuition

    Average Net Price by Sector

    Universities

    Public, 4-year or above ($14,600) is the sector with the highest median state tuition in 2024.

    Public, 4-year or above ($2,210) is the sector with the highest median state fee in 2024.

    Private not-for-profit, 4-year or above ($1,520) is the sector with the highest average net price of books and supplies.

    The graph shows the average net price by sector and year.

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    Housing & Living

    The median property value in New Castle County, DE was $352,200 in 2024, which is 1.06 times larger than the national average of $332,700. Between 2023 and 2024 the median property value increased from $329,800 to $352,200, a 6.79% increase. The homeownership rate in New Castle County, DE is 69%, which is higher than the national average of 65.2%.

    People in New Castle County, DE have an average commute time of 25.3 minutes, and they drove alone to work. Car ownership in New Castle County, DE is approximately the same as the national average, with an average of 2 cars per household.

    In 2025, 14.4% of the population was living with severe housing problems in New Castle County, DE. From 2014 to 2025, the indicator declined 0.801%.

    Housing

    Property

    $352,200
    Median Property Value 2024
    ±$3,776
    $154,724
    Median Property Taxes
    ±$3,126

    The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In New Castle County, DE the largest share of households pay taxes in the $3k+ range.

    The chart underneath the paragraph shows the property taxes in New Castle County, DE compared to it's parent and neighbor geographies.

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    Rent vs Own

    69%
    Homeownership
    2024
    68.2%
    Homeowners with Mortgage
    2024

    In 2024, 69% of the housing units in New Castle County, DE were occupied by their owner. This percentage grew from the previous year's rate of 68.5%.

    This chart shows the percentage of owner in New Castle County, DE compared it's parent and neighboring geographies.

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    Equity

    Household Income

    Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.
    $91,166
    Median Household Income
    ± $1,765
    224k
    Number of Households
    ± 4,147

    In 2024, the median household income of the 224k households in New Castle County, DE grew to $91,166 from the previous year's value of $89,901.

    The following chart displays the households in New Castle County, DE distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $200k+ range.

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    Wage Distribution

    The closest comparable wage GINI for New Castle County, DE is from Delaware.
    0.451
    2024 Wage GINI in Delaware
    0.456
    2023 Wage GINI in Delaware

    In 2024, the income inequality in Delaware was 0.451 according to the GINI calculation of the wage distribution. Income inequality had a 0.975% decline from 2023 to 2024, which means that wage distribution grew somewhat more even. The GINI for Delaware was lower than than the national average of 0.474. In other words, wages are distributed more evenly in Delaware in comparison to the national average.

    This chart shows the number of workers in Delaware across various wage buckets compared to the national average.

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    Transportation

    Commuter Transportation

    Most Common Commute in 2024
    1. Drove Alone (68.6%)
    2. Worked At Home (17.6%)
    3. Carpooled (7.26%)

    In 2024, 68.6% of workers in New Castle County, DE drove alone to work, followed by those who worked at home (17.6%) and those who carpooled to work (7.26%).

    The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

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    Commute Time

    25.3 minutes
    Average Travel Time

    Using averages, employees in New Castle County, DE have a shorter commute time (25.3 minutes) than the normal US worker (26.4 minutes). Additionally, 2.13% of the workforce in New Castle County, DE have "super commutes" in excess of 90 minutes.

    The chart below shows how the median household income in New Castle County, DE compares to that of it's neighboring and parent geographies.

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    Car Ownership

    2 cars
    Average Number

    The following chart displays the households in New Castle County, DE distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in New Castle County, DE have 2 cars.

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    Poverty

    Severe Housing Problems

    In 2025, 14.4% of the population was living with severe housing problems in New Castle County, DE. From 2014 to 2025, the indicator declined 0.801%.

    The graph shows the trend of the percentage of the population living with severe housing problems.

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    Poverty & Diversity

    10.1% of the population for whom poverty status is determined in New Castle County, DE (56.9k out of 562k people) live below the poverty line, a number that is lower than the national average of 12.5%. The largest demographic living in poverty are Females 25 - 34, followed by Females 55 - 64 and then Females 35 - 44.

    The most common racial or ethnic group living below the poverty line in New Castle County, DE is White, followed by Black and Hispanic.

    The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

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    Children in Poverty

    In 2025, 14.6% of the children was living in poverty in New Castle County, DE. From 2014 to 2025, the indicator declined 0.6%.

    The graph shows the trend of the percentage of the children living in poverty.

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    Security

    Crimes & Accidents

    Indicator

    In 2022, the number of reported violent crimes offenses per 100,000 population was 551 in New Castle County, DE. From 2014 to 2022, the indicator declined 92.1% per 100,000 population.

    The graph shows the trend in the number of reported violent crimes offenses per 100,000 population.

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