County profile

St. Tammany Parish

Louisiana · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
272,421
Median household income
$81,202
People below poverty
11.4%
Median home value
$284,000

Income

The median income of households in St. Tammany Parish, Louisiana was $81,202. An estimated 4.2% of households had income below $10,000 a year and 12.6% had income of $200,000 or more.

Household Income in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Less than $10,000 4.2
$10,000 to $14,999 3
$15,000 to $24,999 6.6
$25,000 to $34,999 6.2
$35,000 to $49,999 9.7
$50,000 to $74,999 16.5
$75,000 to $99,999 13.3
$100,000 to $149,999 18.3
$150,000 to $199,999 9.5
$200,000 or more 12.6

Median Earnings for Full-Time Year-Round Workers by Sex in St. Tammany Parish, Louisiana in 2020-2024

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Dollars
Male 74917
Female 52953

An estimated 77.5% of households received earnings. An estimated 32.9% of households received Social Security and an estimated 25.9 % of households received retirement income other than Social Security. The average income from Social Security was $23,448. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Earnings 77.5
Social Security 32.9
Retirement income 25.9
Supplemental Security Income (SSI) 4.6
Cash public assistance income 1.1

Poverty and Participation in Government Programs

In 2020-2024, 11.4 % of people were in poverty. An estimated 15% of children under 18 were below the poverty level, compared with 9.8% of people 65 years old and over. An estimated 10.5% of people 18 to 64 years were below the poverty level.

Poverty Rates in St. Tammany Parish, Louisiana in 2020-2024

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Percent
People in poverty 11.4
Children under 18 years below poverty 15
People 65 years old and over below poverty 9.8
People 18 to 64 years below poverty 10.5

In 2020-2024, 9 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 56.8% of households that received SNAP had children under 18, and 37.2% of households that received SNAP had one or more people 60 years and over. An estimated 33.8% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in St. Tammany Parish, Louisiana in 2020-2024, 93.2% had health insurance coverage and 6.8% did not have health insurance coverage. Private coverage was 66.2% and public coverage was 38.8%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 5.3%.


In 2020-2024, St. Tammany Parish, Louisiana had a total population of 272,421 - 139,106 (51.1%) females and 133,315 (48.9%) males. The median age was 40.5 years. An estimated 23.6% of the population was under 18 years, 29.9% was 19 to 44 years, 25.9% was 45 to 64 years, and 18.4 % was 65 years and older.

Population by Age and Sex for St. Tammany Parish, Louisiana in 2020-2024

Male Female
Under 5 7934 7645
5 to 9 9723 9327
10 to 14 8837 8550
15 to 19 9587 8708
20 to 24 7578 7150
25 to 29 7300 7211
30 to 34 7598 8365
35 to 39 9614 9306
40 to 44 8046 9333
45 to 49 8119 8430
50 to 54 8425 8842
55 to 59 9717 8422
60 to 64 7945 10471
65 to 69 7724 8483
70 to 74 6713 7773
75 to 79 4546 4729
80 to 84 2117 2980
85 and over 1792 3381

Hispanic Origin and Race

For people reporting one race alone, 73.8% were White; 12.2% were Black or African American; 8.4% were American Indian and Alaska Native; 1.4% were Asian; 6.5% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 9.7% reported Two or More Races. An estimated 8.2% of the people in St. Tammany Parish, Louisiana were Hispanic or Latino. An estimated 72.4% of the people in St. Tammany Parish, Louisiana were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 105,082 households in St. Tammany Parish, Louisiana. The average household size was 2.57 people.

Married-couple households made up 51.8% of the households in St. Tammany Parish, Louisiana while cohabiting couple households made up 5.9% of households. Female householders with no spouse or partner present were 26.5% of all households, while 15.7% of households had male householders with no spouse or partner present. Some households had one person, as 10.5% of households were male householders living alone, and 15% were female householders living alone, for a total of 25.5% of all households.

In St. Tammany Parish, Louisiana, 34.2% of all households had one or more people under the age of 18; 34.1% of all households had one or more people 65 years and over.

Types of Households in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Married-couple households 51.8
Cohabiting Couples 5.9
Male Householder
No spouse/partner present
15.7
Female Householder
No spouse/partner present
26.5

Marital Status

Among persons 15 and older, 55.7% of males and 49.3% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 30.7 26.4
Now married, except separated 55.7 49.3
Separated 1.6 2.2
Widowed 2.5 8.6
Divorced 9.5 13.5

Grandparents and Grandchildren

In St. Tammany Parish, Louisiana, 6,118 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 39.3% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 95.5% of the people living in St. Tammany Parish, Louisiana were U.S. natives. 71.1% of the St. Tammany Parish, Louisiana population were living in the state where they were born.

Approximately 4.5% of St. Tammany Parish, Louisiana residents in 2020-2024 were foreign-born. 46.1% of foreign-born were naturalized U.S. citizens and an estimated 58.7 % entered the country before the year 2010.

Foreign-born residents of St. Tammany Parish, Louisiana come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for St. Tammany Parish, Louisiana.

Region of Birth for the Foreign-Born Population in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Latin America 59.6
Asia 25.8
Europe 9.2
Africa 1.2
Northern America 3.8
Oceania 0.4

Language

Among people at least five years old living in St. Tammany Parish, Louisiana in 2020-2024, 7 % spoke a language other than English at home. Spanish was spoken by 4.3% of people at least five years old; 2.7% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Spanish 4.3
Other Indo-European languages 1.4
Asian and Pacific Islander languages 1
Other languages 0.3

Geographic Mobility

In 2020-2024, 88.5 % of the people at least one year old living in St. Tammany Parish, Louisiana were living in the same house one year earlier.

Geographic Mobility of Residents of St. Tammany Parish, Louisiana in 2020-2024

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Percent
Same house 88.5
Different house, same county 5.3
Different county, same state 3.7
Different state 2.4
Abroad 0.2

Education

In 2020-2024, 92 % of people 25 years and over had at least graduated from high school and 37.7% had a bachelor's degree or higher. An estimated 8% did not complete high school.

The total school enrollment in St. Tammany Parish, Louisiana was 64,714 in 2020-2024. Nursery school enrollment was 4,750 and kindergarten through 12th grade enrollment was 47,579. College or graduate school enrollment was 12,385.

Educational Attainment of People in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Less than high school diploma 8
High school diploma or equivalency 23.8
Some college, no degree 23
Associate's degree 7.5
Bachelor's degree 24.3
Graduate or professional degree 13.4

Disability

In St. Tammany Parish, Louisiana, among the civilian noninstitutionalized population in 2020-2024, 16.1 % reported a disability. The likelihood of having a disability varied by age - from 7.1% of people under 18 years old, to 13.5% of people 18 to 64 years old, and to 35.6% of those 65 and over.


Employment Status and Type of Employer

In St. Tammany Parish, Louisiana, 59.3 % of the population 16 and over were employed; 37.1% were not currently in the labor force.

An estimated 78% of the people employed were private wage and salary workers; 14.5% were federal, state, or local government workers; and 7.3 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 99,789 78
Federal, state, or local government workers 18,484 14.5
Self-employed workers in own not incorporated business 9,358 7.3

Industries

In 2020-2024, the civilian employed population 16 years and older in St. Tammany Parish, Louisiana worked in the following industries:

Percent by Industry in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 2.1
Construction 8.1
Manufacturing 5.7
Wholesale trade 3.2
Retail trade 10.1
Transportation and warehousing, and utilities 6.4
Information 1.6
Finance and insurance, and real estate and rental and leasing 7.2
Professional, scientific, and management, and administrative and waste management services 11.3
Educational services, and health care and social assistance 25.5
Arts, entertainment, and recreation, and accommodation, and food services 8.7
Other Services, except public administration 5.2
Public administration 4.8

Occupations

Occupations for the Civilian Employed Population 16 Years and over in St. Tammany Parish, Louisiana in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 59,005 46.1
Service occupations 19,511 15.3
Sales and office occupations 26,298 20.6
Natural resources, construction, and maintenance occupations 11,043 8.6
Production, transportation, and material moving occupations 12,050 9.4

Commuting to Work

An estimated 77.1% of St. Tammany Parish, Louisiana workers drove to work alone in 2020-2024, and 7.2% carpooled. Among those who commuted to work, it took them on average 31.5 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Car, truck, van -- drove alone 77.1
Car, truck, van -- carpooled 7.2
Public transportation (excluding taxicab) 0.1
Walked 0.8
Other means 1.7
Worked from home 13.2

In 2020-2024, St. Tammany Parish, Louisiana had a total of 113,911 housing units. Of these housing units, 80% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 13.5% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 6.5% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Single-family houses 80
Apartments in multi-unit structures 13.5
Mobile homes 6.5
Boat, RV, van, etc 0.1

17.4% of the housing inventory was comprised of houses built since 2010, while 1.6% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in St. Tammany Parish, Louisiana was 6.2 rooms, and of these housing units 78.5% had three or more bedrooms.


In 2020-2024, St. Tammany Parish, Louisiana had 105,082 housing units that were occupied or had people living in them, while the remaining 8,829 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 78.9% while renters occupied 21.1%. The average household size of owner-occupied houses was 2.63 and in renter-occupied houses it was 2.34.

4.1% of householders of these occupied houses had moved into their house since 2021, while 7% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 4.3% and another 22% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in St. Tammany Parish, Louisiana:

House Heating Fuel Used in St. Tammany Parish, Louisiana in 2020-2024

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Percent
Gas 37.1
Electricity 61.9
Fuel oil, kerosene, etc 0
All other fuels 0.5
No fuel used 0.5

In 2020-2024, the median property value for owner-occupied houses in St. Tammany Parish, Louisiana was $284,000.

Of the owner-occupied households, 64.6 % had a mortgage. 35.4% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,813 and for owners without a mortgage it was $611.

For renter-occupied houses, the median gross rent for St. Tammany Parish, Louisiana was $1,332. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.