St. Mary Parish, LA

County

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    2024 Population
    47,828
    US Senator
    Bill Cassidy
    Republican Party
    US Senator
    John Kennedy
    Republican Party
    2024 Poverty Rate
    20.8%
    5.8% 1-year decrease
    2024 Median Household Income
    $52,576
    1.56% 1-year growth
    2024 Median Property Value
    $138,900
    8.52% 1-year growth
    2024 Employed Population
    19,135
    2.12% 1-year decline

    About

    None of the households in St. Mary Parish, LA 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.

    96.8% of the residents in St. Mary Parish, LA are U.S. citizens.

    The largest universities in St. Mary Parish, LA are South Central Louisiana Technical College (1,596 degrees awarded in 2018).

    In 2024, the median property value in St. Mary Parish, LA was $138,900, and the homeownership rate was 68.6%.

    Most people in St. Mary Parish, LA drove alone to work, and the average commute time was 23.2 minutes. The average car ownership in St. Mary Parish, LA was 2 cars per household.

    United StatesLouisianaMorgan City, LA

    Population & Diversity

    St. Mary Parish, LA is home to a population of 47.8k people, from which 96.8% are citizens. As of 2024, 4.95% of St. Mary Parish, LA residents were born outside of the country (2.37k people).

    In 2024, there were 1.86 times more White (Non-Hispanic) residents (25.5k people) in St. Mary Parish, LA than any other race or ethnicity. There were 13.8k Black or African American (Non-Hispanic) and 2.05k Two Races Excluding Other, & Three or More Races (Non-Hispanic) residents, the second and third most common ethnic groups.

    Population & Diversity

    Citizenship

    96.8%
    2024 Citizenship
    97%
    2023 Citizenship

    As of 2024, 96.8% of St. Mary Parish, LA residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in St. Mary Parish, LA was 97%, meaning that the rate of citizenship has been decreasing.

    The following chart shows US citizenship percentages in St. Mary Parish, LA compared to that of it's neighboring and parent geographies.

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    Diversity

    Race and Ethnicity

    The 3 largest ethnic groups in St. Mary Parish, LA
    1. White (Non-Hispanic)
      25.5k ± 240
    2. Black or African American (Non-Hispanic)
      13.8k ± 523
    3. Two Races Excluding Other, & Three or More Races (Non-Hispanic)
      2.05k ± 527
    9.84%
    Hispanic Population
    4.71k people

    In 2024, there were 1.86 times more White (Non-Hispanic) residents (25.5k people) in St. Mary Parish, LA than any other race or ethnicity. There were 13.8k Black or African American (Non-Hispanic) and 2.05k Two Races Excluding Other, & Three or More Races (Non-Hispanic) residents, the second and third most common ethnic groups.

    9.84% of the people in St. Mary Parish, LA are hispanic (4.71k people).

    The following chart shows the 8 races represented in St. Mary Parish, LA 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 Louisiana.
    Most Common Origin
    1. Honduras
      48,818 ± 5,396 people
    2. Mexico
      27,788 ± 4,080 people
    3. Vietnam
      17,351 ± 3,228 people

    In 2024, the most common birthplace for the foreign-born residents of Louisiana was Honduras, the natal country of 48,818 Louisiana residents, followed by Mexico with 27,788 and Vietnam with 17,351.

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    Foreign-Born Population

    4.95%
    2024 Foreign-Born Population
    2.37k people
    4.88%
    2023 Foreign-Born Population
    2.37k people

    As of 2024, 4.95% of St. Mary Parish, LA residents (2.37k 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 St. Mary Parish, LA was 4.88%, meaning that the rate has been increasing.

    The following chart shows the percentage of foreign-born residents in St. Mary Parish, LA compared to that of it's neighboring and parent geographies.

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    Military

    Veterans

    Most Common Service Period
    1. Vietnam
      703 ± 181
    2. Gulf War (2001-)
      387 ± 163
    3. Gulf War (1990s)
      316 ± 128

    St. Mary Parish, LA has a large population of military personnel who served in Vietnam, 1.82 times greater than any other conflict.

    The chart shows the distribution of veterans by conflict in St. Mary Parish, LA.

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    Health

    91.5% of the population of St. Mary Parish, LA has health coverage, with 28.3% on employee plans, 36.4% on Medicaid, 13.2% on Medicare, 12.4% on non-group plans, and 1.25% on military or VA plans.

    Primary care physicians in St. Mary County, LA see 2,297 patients per year on average, which represents a 0% change from the previous year (2,297 patients). Compare this to dentists who see 2655 patients per year, and mental health providers who see 713 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

    2,297 to 1
    Patient to Primary Care Physician Ratio in St. Mary County, LA

    Primary care physicians in St. Mary County, LA see an average of 2,297 patients per year. This represents a 0% change from the previous year (2,297 patients).

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

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    Health Care Diversity

    In 2024, insured persons according to age ranges were distributed in 26.1% under 18 years, 17.6% between 18 and 34 years, 38.2% between 35 and 64 years, and 18.1% 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

    8.47%
    Uninsured
    28.3%
    Employer Coverage
    36.4%
    Medicaid
    13.2%
    Medicare
    12.4%
    Non-Group
    1.25%
    Military or VA

    Between 2023 and 2024, the percent of uninsured citizens in St. Mary Parish, LA grew by 24.8% from 6.79% to 8.47%.

    The following chart shows how the percent of uninsured individuals in St. Mary Parish, LA 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 6.7 in St. Mary Parish, LA.

    The graphic shows the trend of the indicator in St. Mary Parish, LA.

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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 44.6% in St. Mary Parish, LA.

    The graphic shows the trend of the indicator in St. Mary Parish, LA.

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    Clinical Care

    Indicator

    In 2025, the percentage of population under age 65 without health insurance was 9.31% in St. Mary Parish, LA.

    The graphic shows the trend of the indicator in St. Mary Parish, LA.

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    Economy

    The economy of St. Mary Parish, LA employs 19.1k people. In 2024, the largest industries in St. Mary Parish, LA were Retail Trade (2,733 people), Health Care & Social Assistance (2,365 people), and Construction (1,992 people), and the highest paying industries were Manufacturing ($65,016), Real Estate & Rental & Leasing ($65,000), and Mining, Quarrying, & Oil & Gas Extraction ($64,073).

    Employment

    Occupations

    19.1k
    2024 Value
    ± 1,160
    −2.12%
    1 Year decline
    ± 8.6%

    From 2023 to 2024, employment in St. Mary Parish, LA declined at a rate of −2.12%, from 19.6k employees to 19.1k employees.

    The most common job groups, by number of people living in St. Mary Parish, LA, are Office & Administrative Support Occupations (2,390 people), Sales & Related Occupations (2,120 people), and Management Occupations (1,849 people). This chart illustrates the share breakdown of the primary jobs held by residents of St. Mary Parish, LA.

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    Unemployment Insurance Claims

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

    This chart shows weekly unemployment insurance claims in Louisiana (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

    19.1k
    2024 Value
    ± 1,160
    −2.12%
    1 Year decline
    ± 8.6%

    From 2023 to 2024, employment in St. Mary Parish, LA declined at a rate of −2.12%, from 19.6k employees to 19.1k employees.

    The most common employment sectors for those who live in St. Mary Parish, LA, are Retail Trade (2,733 people), Health Care & Social Assistance (2,365 people), and Construction (1,992 people). This chart shows the share breakdown of the primary industries for residents of St. Mary Parish, LA, though some of these residents may live in St. Mary Parish, LA and work somewhere else. Census data is tagged to a residential address, not a work address.

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    Median Earnings by Industry

    $51,373
    Median earning men ± $2,608
    $27,210
    Median earning women ± $1,788

    The industries with the best median earnings for men in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($71,607), Manufacturing ($66,883), and Transportation & Warehousing, & Utilities ($65,702).

    The industries with the best median earnings for women in 2024 are Manufacturing ($60,212), Agriculture, Forestry, Fishing & Hunting, & Mining ($53,935), and Finance & Insurance, & Real Estate & Rental & Leasing ($44,929).

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    Employment by Industry Sector

    Data is only available at the state level. Showing data for Louisiana.
    Y-Axis
    1.78%
    Year-over-year growth
    Employment change between February 2022 and February 2023

    As of February 2023, there are 1.94M people employed in Louisiana. This represents a 1.78% 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 14.4%.

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

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    Establishments by Size

    The industries with the most establishments
    1. 74
      Other Services (except Public Administration)
    2. 73
      Retail Trade
    3. 62
      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. $242k
      Manufacturing
    2. $206k
      Mining, Quarrying, and Oil and Gas Extraction
    3. $99.2k
      Transportation and Warehousing

    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 Louisiana went to Donald J. Trump with 60.2% of the vote. The runner-up was Kamala Harris (38.2%), followed by Other (0.547%).

    Bill Cassidy and John Kennedy are the senators currently representing the state of Louisiana. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

    Louisiana is currently represented by 6 members 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 St. Mary Parish, LA. Showing the available data for Louisiana.
    2024 Election Results
    1. Donald J. Trump (60.2%)
      Republican Party
    2. Kamala Harris (38.2%)
      Democratic Party
    3. Other (0.547%)
      Other Party

    In the 2024 presidential election, the popular vote in Louisiana went to Donald J. Trump with 60.2% of the vote. The runner-up was Kamala Harris (38.2%), followed by Other (0.547%).

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

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    Senator Elections

    US Senators from Louisiana

    Senatorial voting results are only available at the state level. Showing data for Louisiana.
    Bill Cassidy
    Senator from Louisiana2
    Assumed office on January 3, 2015
    John Kennedy
    Senator from Louisiana3
    Assumed office on January 3, 2017

    Bill Cassidy and John Kennedy are the senators currently representing Louisiana.

    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 Louisiana over time, excluding special elections, colored by their political party.

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    Education

    In 2018, universities in St. Mary Parish, LA awarded 1,596 degrees. The student population of St. Mary Parish, LA in 2017 is skewed towards men, with 1,239 male students and 722 female students.

    Most students graduating from Universities in St. Mary Parish, LA are White (907 and 57%), Black or African American (454 and 28.5%), Unknown (92 and 5.78%), and Hispanic or Latino (83 and 5.21%).

    The largest universities in St. Mary Parish, LA by number of degrees awarded are South Central Louisiana Technical College (1,596 and 100%).

    The most popular majors in St. Mary Parish, LA are Other Industrial Production Technology (539 and 33.8%), Marine Science & Merchant Marine Officer (236 and 14.8%), and General Administrative Assistant & Secretarial Science (158 and 9.9%).

    Admissions & Enrollments

    Enrollments by Gender and Races

    In 2017 there were 1,961 students enrolled in St. Mary Parish, LA, 63.2% men and 36.8% women.

    By race, the largest number of students enrolled was concentrated in White with 943 records, of which 25.6% were women and 74.4% men.

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    Completions

    Concentrations

    Most Common
    1. Marine Science & Merchant Marine Officer
      236 degrees awarded
    2. Other Industrial Production Technology
      197 degrees awarded
    3. Welding Technology
      75 degrees awarded

    In 2018, the most common concentation for Less than 1 Year Postsecondary Certificate recipients in St. Mary Parish, LA was Marine Science & Merchant Marine Officer with 236 degrees awarded.

    This visualization illustrates the percentage of students graduating with a Less than 1 Year Postsecondary Certificate from schools in St. Mary Parish, LA according to their major.

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    Universities

    Gender
    Race
    South Central Louisiana Technical College
    Largest Universities by degrees awarded
    1,596 degrees awarded

    In 2018, the institution with the largest number of graduating students was South Central Louisiana Technical College with 1,596 degrees awarded.

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    Student Diversity

    In 2018, 1,243 men were awarded degrees from institutions in St. Mary Parish, LA, which is 3.52 times more than the 353 female students who received degrees in the same year.

    In 2018, the most common race/ethnicity group awarded degrees at institutions was White students. These 907 degrees mean that there were 2 times more degrees awarded to White students then the next closest race/ethnicity group, Black or African American, with 454 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

    Public, 2-year ($2,202) is the sector with the highest median state tuition in 2018.

    Public, 2-year ($744) is the sector with the highest median state fee in 2018.

    Public, 2-year ($1,300) 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 St. Mary Parish, LA was $138,900 in 2024, which is 0.417 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $128,000 to $138,900, a 8.52% increase. The homeownership rate in St. Mary Parish, LA is 68.6%, which is higher than the national average of 65.2%.

    People in St. Mary Parish, LA have an average commute time of 23.2 minutes, and they drove alone to work. Car ownership in St. Mary Parish, LA is approximately the same as the national average, with an average of 2 cars per household.

    In 2025, 15.4% of the population was living with severe housing problems in St. Mary Parish, LA. From 2014 to 2025, the indicator declined 0.149%.

    Housing

    Property

    $138,900
    Median Property Value 2024
    ±$8,393
    $12,673
    Median Property Taxes
    ±$792

    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 St. Mary Parish, LA the largest share of households pay taxes in the < $800 range.

    The chart underneath the paragraph shows the property taxes in St. Mary Parish, LA compared to it's parent and neighbor geographies.

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    Rent vs Own

    68.6%
    Homeownership
    2024
    68.2%
    Homeowners with Mortgage
    2024

    In 2024, 68.6% of the housing units in St. Mary Parish, LA were occupied by their owner. This percentage declined from the previous year's rate of 69.8%.

    This chart shows the percentage of owner in St. Mary Parish, LA 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.
    $52,576
    Median Household Income
    ± $3,030
    18.5k
    Number of Households
    ± 1,044

    In 2024, the median household income of the 18.5k households in St. Mary Parish, LA grew to $52,576 from the previous year's value of $51,768.

    The following chart displays the households in St. Mary Parish, LA 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 $75k - $100k range.

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    Wage Distribution

    The closest comparable wage GINI for St. Mary Parish, LA is from Louisiana.
    0.464
    2024 Wage GINI in Louisiana
    0.465
    2023 Wage GINI in Louisiana

    In 2024, the income inequality in Louisiana was 0.464 according to the GINI calculation of the wage distribution. Income inequality had a 0.265% decline from 2023 to 2024, which means that wage distribution grew somewhat more even. The GINI for Louisiana was lower than than the national average of 0.474. In other words, wages are distributed more evenly in Louisiana in comparison to the national average.

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

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    Transportation

    Commuter Transportation

    Most Common Commute in 2024
    1. Drove Alone (84.7%)
    2. Carpooled (7.58%)
    3. Worked At Home (5.49%)

    In 2024, 84.7% of workers in St. Mary Parish, LA drove alone to work, followed by those who carpooled to work (7.58%) and those who worked at home (5.49%).

    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

    23.2 minutes
    Average Travel Time

    Using averages, employees in St. Mary Parish, LA have a shorter commute time (23.2 minutes) than the normal US worker (26.4 minutes). Additionally, 4.82% of the workforce in St. Mary Parish, LA have "super commutes" in excess of 90 minutes.

    The chart below shows how the median household income in St. Mary Parish, LA 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 St. Mary Parish, LA distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in St. Mary Parish, LA have 2 cars.

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    Poverty

    Severe Housing Problems

    In 2025, 15.4% of the population was living with severe housing problems in St. Mary Parish, LA. From 2014 to 2025, the indicator declined 0.149%.

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

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    Poverty & Diversity

    20.8% of the population for whom poverty status is determined in St. Mary Parish, LA (9.81k out of 47.2k people) live below the poverty line, a number that is higher than the national average of 12.5%. The largest demographic living in poverty are Females 25 - 34, followed by Males 55 - 64 and then Females 55 - 64.

    The most common racial or ethnic group living below the poverty line in St. Mary Parish, LA 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, 31.1% of the children was living in poverty in St. Mary Parish, LA. From 2014 to 2025, the indicator declined 1.3%.

    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 517 in St. Mary Parish, LA. From 2014 to 2022, the indicator declined 166% 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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