St. Tammany Parish, Louisiana

11 cities & places have their primary county here.

Population: 269,331
Median household income: $79,277
Median home value: $272,200

St. Tammany Parish, Louisiana counts 269,331 residents. 11 cities and places have their primary county here. Its median household income of $79,277 runs above the Louisiana figure of $60,023.

Between 2019 and 2023, St. Tammany Parish's population grew 5.6% from 255,155 to 269,331, while its median household income rose 15.1% from $68,905 to $79,277.

The largest age group is 5 to 17, 18.0% of residents. White (non-Hispanic) residents are the largest group, 73.3% of the population.

Demographics

ACS 2019–2023

Population: 269,331
Median age: 40.4 yrs
Median household income: $79,277
Median home value: $272,200
Median gross rent: $1,305
Housing units: 112,414
Homeownership rate: 78.8%
Bachelor's degree or higher: 36.6%
Unemployment rate: 4.8%

Trends

ACS 5-year · 2019–2023

Population

255,155269,331

Median household income

$68,905$79,277

Median home value

$218,500$272,200

Median gross rent

$1,086$1,305

Year	Population	Median household income	Median home value	Median gross rent
2019	255,155	$68,905	$218,500	$1,086
2020	258,447	$70,730	$223,300	$1,143
2021	262,799	$70,986	$232,700	$1,163
2022	266,168	$76,914	$262,400	$1,247
2023	269,331	$79,277	$272,200	$1,305

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.8%

5 to 1718.0%

18 to 247.6%

25 to 3411.2%

35 to 4413.3%

45 to 5412.5%

55 to 6413.6%

65 to 7411.1%

75 and over6.9%

	Count	Share
Under 5	15,618	5.8%
5 to 17	48,439	18.0%
18 to 24	20,348	7.6%
25 to 34	30,202	11.2%
35 to 44	35,739	13.3%
45 to 54	33,779	12.5%
55 to 64	36,689	13.6%
65 to 74	30,020	11.1%
75 and over	18,497	6.9%

Race & ethnicity

	Count	Share
White (non-Hispanic)	197,521	73.3%
Black or African American	32,335	12.0%
American Indian & Alaska Native	594	0.2%
Asian	3,394	1.3%
Native Hawaiian & Pacific Islander	874	0.3%
Some other race	2,169	0.8%
Two or more races	11,075	4.1%
Hispanic or Latino (any race)	21,369	7.9%

Educational attainment (age 25+)

No high school diploma8.6%

High school graduate24.0%

Some college or associate's30.8%

Bachelor's degree23.7%

Graduate or professional degree12.8%

	Count	Share
No high school diploma	15,896	8.6%
High school graduate	44,386	24.0%
Some college or associate's	57,025	30.8%
Bachelor's degree	43,862	23.7%
Graduate or professional degree	23,757	12.8%

Commute to work

Mean travel time to work: 31 min

Drove alone77.4%

Carpooled7.6%

Public transit0.1%

Walked0.8%

Bicycle0.1%

Worked from home12.4%

Other means1.5%

How workers get to work

	Count	Share
Drove alone	95,744	77.4%
Carpooled	9,440	7.6%
Public transit	150	0.1%
Walked	1,023	0.8%
Bicycle	127	0.1%
Worked from home	15,332	12.4%
Other means	1,830	1.5%

Travel time

	Count	Share
Under 15 min	23,339	21.5%
15 to 29 min	34,261	31.6%
30 to 44 min	20,676	19.1%
45 to 59 min	14,425	13.3%
60+ min	15,613	14.4%

Households

Average household size: 2.58
Poverty rate: 12.2% (32,413 of 266,028)

	Count	Share
Family households	72,626	70.3%
Nonfamily households	30,660	29.7%

Housing

Median year structure built: 1995

Occupancy

	Count	Share
Occupied	103,286	91.9%
Vacant	9,128	8.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	81,413	78.8%
Renter-occupied	21,873	21.2%

1-unit, detached77.4%

1-unit, attached2.5%

2 to 4 units4.2%

5 to 19 units4.9%

20 or more units4.2%

Mobile home & other6.8%

Units in structure

	Count	Share
1-unit, detached	86,959	77.4%
1-unit, attached	2,784	2.5%
2 to 4 units	4,699	4.2%
5 to 19 units	5,556	4.9%
20 or more units	4,743	4.2%
Mobile home & other	7,673	6.8%

Geography

County GEOID: 22103
State: Louisiana
Land area: 845 sq mi
Water area: 250 sq mi
Center point: 30.4100, -89.9520