St. Martin Parish, Louisiana
Population estimates, July 1, 2025, (V2025) 51,106
People
Population
Population estimates, July 1, 2025, (V2025) 51,106
Population estimates, July 1, 2024, (V2024) 51,218
Population estimates base, April 1, 2020, (V2025) 51,750
Population estimates base, April 1, 2020, (V2024) 51,746
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -1.2%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -1.0%
Population, Census, April 1, 2020 51,767
Population, Census, April 1, 2010 52,160
Age and Sex
Persons under 5 years, percent 6.3%
Persons under 18 years, percent 23.8%
Persons 65 years and over, percent 18.3%
Female persons, percent 50.9%
Race and Hispanic Origin
White alone, percent 66.8%
Black alone, percent(a) 29.6%
American Indian and Alaska Native alone, percent(a) 0.8%
Asian alone, percent(a) 1.0%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 1.8%
Hispanic or Latino, percent(b) 4.2%
White alone, not Hispanic or Latino, percent 63.6%
Population Characteristics
Veterans, 2020-2024 2,112
Foreign-born persons, percent, 2020-2024 1.8%
Housing
Housing Units, July 1, 2025, (V2025) 24,161
Owner-occupied housing unit rate, 2020-2024 77.7%
Median value of owner-occupied housing units, 2020-2024 $164,200
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,430
Median selected monthly owner costs - without a mortage, 2020-2024 $360
Median gross rent, 2020-2024 $870
Building Permits, 2025 50
Families & Living Arrangements
Households, 2020-2024 19,579
Persons per household, 2020-2024 2.61
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 92.8%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 10.6%
Computer and Internet Use
Households with a computer, percent, 2020-2024 88.2%
Households with a broadband Internet subscription, percent, 2020-2024 83.2%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 83.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 16.8%
Health
With a disability, under age 65 years, percent, 2020-2024 11.1%
Persons without health insurance, under age 65 years, percent 8.1%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 57.6%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 56.1%
Total accommodation and food services sales, 2022 ($1,000)(c) 78,460
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 164,134
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 79,829
Total retail sales, 2022 ($1,000)(c) 839,540
Total retail sales per capita, 2022(c) $16,382
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 27.2
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $55,960
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $31,041
Persons in poverty, percent 16.7%
Businesses
Businesses
Total employer establishments, 2023 911
Total employment, 2023 10,761
Total annual payroll, 2023 ($1,000) 598,683
Total employment, percent change, 2022-2023 3.3%
Total nonemployer establishments, 2023 4,900
All employer firms, Reference year 2023 864
Male-owned employer firms, Reference year 2023 610
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 759
Veteran-owned employer firms, Reference year 2023 6
Nonveteran-owned employer firms, Reference year 2023 787
Geography
Geography
Population per square mile, 2020 70.2
Population per square mile, 2010 70.7
Land area in square miles, 2020 737.47
Land area in square miles, 2010 737.65
FIPS Code 22099