St. Tammany Parish, Louisiana
Median households income (in 2024 dollars), 2020-2024 $81,202
People
Population
Population estimates, July 1, 2025, (V2025) 279,108
Population estimates, July 1, 2024, (V2024) 277,615
Population estimates base, April 1, 2020, (V2025) 264,565
Population estimates base, April 1, 2020, (V2024) 264,573
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 5.5%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 4.9%
Population, Census, April 1, 2020 264,570
Population, Census, April 1, 2010 233,740
Age and Sex
Persons under 5 years, percent 5.5%
Persons under 18 years, percent 23.1%
Persons 65 years and over, percent 19.4%
Female persons, percent 51.2%
Race and Hispanic Origin
White alone, percent 80.2%
Black alone, percent(a) 15.1%
American Indian and Alaska Native alone, percent(a) 0.8%
Asian alone, percent(a) 1.7%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 2.2%
Hispanic or Latino, percent(b) 8.7%
White alone, not Hispanic or Latino, percent 72.7%
Population Characteristics
Veterans, 2020-2024 15,461
Foreign-born persons, percent, 2020-2024 4.5%
Housing
Housing Units, July 1, 2025, (V2025) 117,498
Owner-occupied housing unit rate, 2020-2024 78.9%
Median value of owner-occupied housing units, 2020-2024 $284,000
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,813
Median selected monthly owner costs - without a mortage, 2020-2024 $611
Median gross rent, 2020-2024 $1,332
Building Permits, 2025 1,096
Families & Living Arrangements
Households, 2020-2024 105,082
Persons per household, 2020-2024 2.57
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 88.5%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 7.0%
Computer and Internet Use
Households with a computer, percent, 2020-2024 96.7%
Households with a broadband Internet subscription, percent, 2020-2024 94.1%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 92.0%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 37.7%
Health
With a disability, under age 65 years, percent, 2020-2024 11.7%
Persons without health insurance, under age 65 years, percent 7.1%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 62.2%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 57.6%
Total accommodation and food services sales, 2022 ($1,000)(c) 823,589
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 2,451,888
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 712,108
Total retail sales, 2022 ($1,000)(c) 5,514,746
Total retail sales per capita, 2022(c) $20,183
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 31.5
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $81,202
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $43,364
Persons in poverty, percent 10.2%
Businesses
Businesses
Total employer establishments, 2023 7,101
Total employment, 2023 86,457
Total annual payroll, 2023 ($1,000) 4,668,431
Total employment, percent change, 2022-2023 1.3%
Total nonemployer establishments, 2023 27,130
All employer firms, Reference year 2023 6,086
Male-owned employer firms, Reference year 2023 3,165
Female-owned employer firms, Reference year 2023 1,542
Minority-owned employer firms, Reference year 2023 755
Nonminority-owned employer firms, Reference year 2023 4,806
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 5,276
Geography
Geography
Population per square mile, 2020 313.0
Population per square mile, 2010 276.4
Land area in square miles, 2020 845.26
Land area in square miles, 2010 845.55
FIPS Code 22103