St. Mary Parish, LA

County

Add Comparison

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.

St. Mary Parish, LA borders Assumption Parish, LA, Iberia Parish, LA, St. Martin Parish, LA, and Terrebonne Parish, LA.

United States Louisiana Morgan 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.

Diversity

Race and Ethnicity

The 3 largest ethnic groups in St. Mary Parish, LA

White (Non-Hispanic)
25.5k ± 240
Black or African American (Non-Hispanic)
13.8k ± 523
Two Races Excluding Other, & Three or More Races (Non-Hispanic)
2.05k ± 527

9.84%

Hispanic Population

4.71k people

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.

Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for Louisiana.

Most Common Origin

Honduras
46,145 ± 5,248 people
Mexico
26,336 ± 3,973 people
Vietnam
16,621 ± 3,160 people

In 2023, the most common birthplace for the foreign-born residents of Louisiana was Honduras, the natal country of 46,145 Louisiana residents, followed by Mexico with 26,336 and Vietnam with 16,621.

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.

Military

Veterans

Most Common Service Period

Vietnam
703 ± 181
Gulf War (2001-)
387 ± 163
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.

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.

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.

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.

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).

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.

Establishments by Size

The industries with the most establishments

74
Other Services (except Public Administration)
73
Retail Trade
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.

Payroll by Industry Sector

The industries with the highest total annual payroll

$242k
Manufacturing
$206k
Mining, Quarrying, and Oil and Gas Extraction
$99.2k
Transportation and Warehousing

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

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

Presidential Popular Vote Over Time

Voting results are not available for St. Mary Parish, LA. Showing the available data for Louisiana.

2024 Election Results

Donald J. Trump (60.2%)
Republican Party
Kamala Harris (38.2%)
Democratic Party
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.

Senator Elections

US Senators from Louisiana

Senatorial voting results are only available at the state level. Showing data for Louisiana.

Bill Cassidy

Senator from Louisiana

Assumed office on January 3, 2015

John Kennedy

Senator from Louisiana

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.

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.

Completions

Concentrations

Most Common

Marine Science & Merchant Marine Officer
236 degrees awarded
Other Industrial Production Technology
197 degrees awarded
Welding Technology
75 degrees awarded

In 2018, the most common concentation for N/A 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 N/A from schools in St. Mary Parish, LA according to their major.

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.

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.

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.

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.

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.

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.

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 < $10k range.

Wage Distribution

The closest comparable wage GINI for St. Mary Parish, LA is from Louisiana.

0.465

2023 Wage GINI in Louisiana

0.466

2022 Wage GINI in Louisiana

In 2023, the income inequality in Louisiana was 0.465 according to the GINI calculation of the wage distribution. Income inequality had a 0.123% decline from 2022 to 2023, which means that wage distribution grew somewhat more even. The GINI for Louisiana was lower than than the national average of 0.476. 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.

Transportation

Commuter Transportation

Most Common Commute in 2024

Drove Alone (84.7%)
Carpooled (7.58%)
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.

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.

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.

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.

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.

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.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals
Florida
4,915 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798. New York has the second highest (5,087), followed by Florida (4,915).

The following map shows the estimated number of chronically homeless individuals by state over multiple years.

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.

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 Parish, 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 Parish, LA

Primary care physicians in St. Mary Parish, 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 Parish, LA in comparison to its neighboring geographies.

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.

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.

Health Indicators

Health Outcomes

Indicator

In 2025, the number of deaths among residents under age 18 per 100,000 population was 83.6 in St. Mary Parish, LA.

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

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.