County

St. Tammany County, LA

20 ZIP codes  ·  12 cities  ·  Louisiana

👥269,138Population
💰$81,124Median HH Income≈ Avg
🎂40.6Median Age
🏠$282,046Median Home Value≈ Avg
🎓46.0%College Grads▲ 19% above avg
📊4.8%Unemployment≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.0% Female 51.0% ♀

Race & Ethnicity

White: 73.3%Hispanic: 8%Black: 12.3%Asian: 1.3%Other: 4.1%Race
White73.3%
Hispanic8.0%
Black12.3%
Asian1.3%
Other4.1%

Age Breakdown

Under 5
6%
5–17
18%
18–24
8%
25–44
25%
45–64
26%
65+
9%

Key Indicators

Median Age40.6 yrs
Avg HH Size2.54
Below Poverty12.1% ▲ 21% above avg
College Grads46.0% ▲ 19% above avg
Unemployment4.8% ≈ Avg
No HS Diploma1,822 (1.1%)
HS Graduate37,703 (22%)
Some College21,732 (12.7%)
Associates30,770 (18%)
Bachelors13,706 (8%)
Graduate Degree65,391 (38.2%)

Education

No HS: 1.1%HS Grad: 22%Some College: 12.7%Associates: 18%Bachelors: 8%Graduate: 38.2%Edu
No HS1.1%
HS Grad22.0%
Some College12.7%
Associates18.0%
Bachelors8.0%
Graduate38.2%
Housing & Income

Housing Tenure

Owner: 79.1%Renter: 20.9%Tenure
Owner79.1%
Renter20.9%

Home Value Distribution

Under $50k
4%
$50k–$100k
4%
$100k–$150k
6%
$150k–$200k
14%
$200k–$300k
30%
$300k–$500k
31%
Over $500k
11%

Financials

Median HH Income$81,124 ≈ Avg
Median Home Value$282,045 ≈ Avg
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,313/mo
Total Housing Units112,211
Vacant Units9,068

Income Distribution

Under $25k
15%
$25k–$50k
14%
$50k–$75k
17%
$75k–$100k
14%
$100k–$150k
18%
$150k–$200k
10%
Over $200k
12%
Employment & Commute

How People Get to Work

Drove Alone
85%
Public Transit
0%
Walked
1%
Work From Home
14%

Commute Time

Under 15 min
21%
15–30 min
32%
30–45 min
19%
Over 45 min
28%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
3%
1960s–1970s
15%
1980s–1990s
23%
2000+
58%
About St. Tammany County, LA

St. Tammany County is located in Louisiana and encompasses 20 ZIP codes spanning 12 cities and communities. The county has an estimated population of 269,138 residents. With a median age of 40.64, it is a middle-aged county.

St. Tammany County has a middle-income economic profile. The median household income of $81,123 is near the national average. Unemployment stands at 4.8%, near the national average. The poverty rate of 12.1% is above the national average.

Housing in St. Tammany County is a mid-range housing market, with a median home value of $282,045 — near the national average. Monthly median rent is approximately $1,312. Homeownership rates are high at 79.1%, reflecting a largely residential, stable population.

The residents of St. Tammany County are primarily White (73.34%). Educational attainment is well-educated — 46.0% of adults hold a bachelor's degree or higher, above the national average.

St. Tammany County, LA is a middle-income area in Louisiana. The 20 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in St. Tammany County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
70420 Abita Springs 7,965 $72,180 $278,300 $1,141 8.7% 40.2%
70431 Bush 5,150 $56,156 $241,600 $1,327 12.8% 36.4%
70433 Covington 41,770 $79,354 $316,200 $1,373 5.4% 53.1%
70435 Covington 21,525 $81,318 $271,600 $1,231 2.7% 45.0%
70437 Folsom 7,696 $66,154 $303,700 $563 4.3% 46.8%
70445 Lacombe 9,421 $75,233 $220,400 $1,089 6.7% 37.3%
70447 Madisonville 17,473 $123,841 $390,600 $2,182 2.3% 60.4%
70448 Mandeville 25,851 $88,929 $324,100 $1,415 3.3% 54.2%
70471 Mandeville 23,745 $96,510 $370,100 $1,282 3.7% 59.2%
70452 Pearl River 13,290 $62,046 $219,900 $858 7.2% 34.6%
70458 Slidell 39,385 $69,816 $227,200 $1,400 4.6% 41.1%
70460 Slidell 21,880 $63,413 $184,400 $1,208 8.9% 26.5%
70461 Slidell 33,572 $88,035 $267,100 $1,201 2.6% 43.1%
70463 Sun 74 $25,375 0.0% 14.6%
70464 Talisheek 210 $11,188 0.0%