St. Tammany Parish, Louisiana
St. Tammany Parish, Louisiana · ZIP 70420, 70427, 70431
- Census data · ACS 2019-2023
- 277,615 (2024 estimate)Population
- 103,286Households
- $79,277Median household income
- $272,200Median home value
- 11Towns with a page
- 17ZIP codes
St. Tammany Parish in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 191,268 |
| 2010 | 233,740 |
| 2020 | 264,570 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 22, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 22, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 22, retrieved November 14, 2026.
Median household income $79,277 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 22, retrieved November 14, 2026.
- Owner occupied
- 81,413 units
- Renter occupied
- 21,873 units
- Vacancy rate
- 8.1%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 22, retrieved November 14, 2026.
86,457 employees in 7,101 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 22, retrieved November 14, 2026.
| Measure | St. Tammany Parish | Louisiana |
|---|---|---|
| Population | 269,331 | 4,621,025 |
| Median household income | $79,277 | $60,023 |
| Median age | 40.4 | 37.8 |
| Median home value | $272,200 | $208,700 |
| Bachelor’s degree or higher | 36.6% | 26.6% |
| Foreign-born residents | 4.4% | 4.7% |
| Owner-occupied homes | 78.8% | 67.3% |
| Mean commute to work | 31.4 minutes | 25.8 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 22, retrieved November 14, 2026.
Townships, towns and villages in St. Tammany Parish11 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Slidell | City | 28,440 | 15.2 sq mi |
| Mandeville | City | 12,973 | 9.25 sq mi |
| Covington | City | 11,686 | 8.05 sq mi |
| Eden Isle | Census designated place | 7,753 | 3.04 sq mi |
| Lacombe | Census designated place | 6,883 | 26.4 sq mi |
| Abita Springs | Town | 2,752 | 4.61 sq mi |
| Pearl River | Town | 2,647 | 3.80 sq mi |
| Madisonville | Town | 875 | 2.53 sq mi |
| Folsom | Village | 829 | 1.99 sq mi |
| Sun | Village | 399 | 4.27 sq mi |
| Lewisburg | Census designated place | 242 | 0.50 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 22 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across St. Tammany Parish
No job is posted in St. Tammany Parish’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in St. Tammany Parish's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Hancock CountyPopulation 46,492 (2024 estimate)
- Jefferson ParishPopulation 427,253 (2024 estimate)
- Orleans ParishPopulation 362,701 (2024 estimate)
- Pearl River CountyPopulation 59,030 (2024 estimate)
- St. Bernard ParishPopulation 44,783 (2024 estimate)
- St. John the Baptist ParishPopulation 39,694 (2024 estimate)
- Tangipahoa ParishPopulation 139,823 (2024 estimate)
- Washington ParishPopulation 45,090 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 28, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 22, retrieved November 14, 2026.