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COUNTY · 1990 CENSUS

St. Tammany Parish

Louisiana · 144,508 residents · 845.281 sq mi
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The short version

St. Tammany Parish has roughly average household income, with a median household income of $30,656. Population has fallen 24% since 2000, a loss of 46,760 residents. Median home value is $75,500. Households here earn about 40% more than the Louisiana median.

At a glance
Average income
near the US median
US median: $30,130
Mid-age
median age 32.4
US median: 33.0
More educated
23% hold a bachelor's degree
US average: 20%
More affordable
home values down 14%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

144,508
−24%vs 2000
vs 191,268 in 2000
1990 – 2025
171 / sq mi
−24%vs 2000
vs 226 / sq mi in 2000
US average: 221
32.4
−11%vs 2000
vs 36.3 in 2000
US average: 33.0
Population, 19902024
132K170K208K247K285K1990201020202024St. Tammany Parish
2024272K
1990201020202024
Section 02

Income & economy

$30,656
−16%inflation adjusted, since 2000
vs $47,883 in 2000
US average: $30,130
1990 – 2024
$13,605
−40%vs 2000
vs $22,514 in 2000
US average: $14,340
13.7%
+4.0 ptsvs 2000
vs 9.7% in 2000
US average: 13.2%
Section 03

Housing

$75,500
−14%inflation adjusted, since 2000
vs $116,000 in 2000
US average: $93,722
1990 – 2024
$420
−7%inflation adjusted, since 2000
vs $593 in 2000
US average: $450
75.8%
−4.6 ptsvs 2000
vs 80.5% in 2000
24.2% rent
2.5
+2%vs 2000
vs 2.4 in 2000
1990 – 2024
RELATED:See current rent listings in St. Tammany Parish on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic85.3%(163,061)
Black9.8%(18,788)
Hispanic / Latino2.5%(4,737)
Asian0.7%(1,413)
Other0%
Diversity Score29.6%(56,669)
1990
White, non-Hispanic87.7%(126,705)
Black11%(15,869)
Hispanic / Latino2.2%(3,203)
Asian0.5%(768)
Other0.8%(1,166)
Diversity Score31.5%(45,537)
32
+6%vs 2000
vs 30 in 2000
1990 – 2024
Section 05

Education

23.1%
−5.3 ptsvs 2000
vs 28.3% in 2000
US average: 20.3%
High school or higher
76.9%
−7.0 ptsvs 2000
vs 83.9% in 2000
US average: 75.2%
7.3%
−2.1 ptsvs 2000
vs 9.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

28.0 min
+12%vs 2000
vs 25.0 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in St. Tammany Parish, Louisiana?

St. Tammany Parish, Louisiana has about 144,508 residents according to the 1990 Census.

What is the median household income in St. Tammany Parish, Louisiana?

The typical household in St. Tammany Parish, Louisiana earns about $30,656 a year. Half of households make more than that, and half make less.

Is St. Tammany Parish, Louisiana expensive?

In St. Tammany Parish, Louisiana, the median home is worth about $75,500, and the typical rent is about $420 a month.

How educated are people in St. Tammany Parish, Louisiana?

About 23.1% of adults age 25 and over in St. Tammany Parish, Louisiana hold a bachelor's degree or higher.

What is the poverty rate in St. Tammany Parish, Louisiana?

About 13.7% of people in St. Tammany Parish, Louisiana live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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