St. Tammany
Source:
Louisiana
St. Tammany is a mid-size parish in Louisiana with 15 ZIP codes, 234,181 people, and above-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, St. Tammany, LA sits among US counties with an above-median household income, on a mid-size parish population base, across a multi-ZIP patchwork.
- Top 28%
- household income vs 3,210 US counties
- 234,181
- combined ZIP population
- 15
- USPS ZIP codes covered
- $76,967
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
St. Tammany lands in the national county income distribution as above-median household income on mid-size parish footing (FIPS 22103, 15 ZIPs, combined population 234,181). Sort the ZIP table by population before treating the county mean as uniform.
Above-median income across 15 ZIPs means the county average is a compromise. Sort by population, save the largest urban ZIP and one sparse code, then compare - that pair usually shows whether density or income is doing the work inside St. Tammany.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
15
Total ZIPs
234,181
Total Population
ZIP Codes in St. Tammany
Side-by-side: Compare 70458 vs 70433 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 70458 | Slidell | 35,077 | 642 |
| 70433 | Covington | 31,133 | 247 |
| 70461 | Slidell | 27,818 | 221 |
| 70448 | Mandeville | 24,851 | 437 |
| 70460 | Slidell | 22,096 | 233 |
| 70471 | Mandeville | 21,383 | 281 |
| 70435 | Covington | 16,603 | 61 |
| 70452 | Pearl River | 13,163 | 68 |
| 70445 | Lacombe | 10,840 | 36 |
| 70447 | Madisonville | 10,150 | 125 |
| 70437 | Folsom | 7,918 | 33 |
| 70420 | Abita Springs | 7,345 | 56 |
| 70431 | Bush | 5,366 | 29 |
| 70464 | Talisheek | 312 | 12 |
| 70463 | Sun | 126 | 69 |
Frequently Asked Questions
What is the population of St. Tammany?
St. Tammany has a total population of 234,181 across 15 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in St. Tammany?
St. Tammany includes 15 ZIP codes: 70458, 70433, 70461, 70448, 70460, 70471, 70435, 70452, 70445, 70447, and more.