United States › Louisiana › St. Tammany Parish COUNTY · 1990 CENSUS
St. Tammany Parish Louisiana · 144,508 residents · 845 sq mi
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The short version
With 144,508 people, St. Tammany Parish is a county in Louisiana. Households here earn about 40% more than in Louisiana as a whole. Owners hold 76% of the housing stock. There are 46,760 fewer people here than in 2000. The average commute runs 28 minutes. Median home value sits at $75,500.
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 vs 36.3 in 2000
US average: 33.0
Population, 1990 – 2024
132K 170K 208K 247K 285K 1990 2000 2010 2020 2024 St. Tammany Parish Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $30,656
−16%inflation adjusted, since 2000
vs $47,883 in 2000
US average: $30,130
vs $22,514 in 2000
US average: $14,340
vs 9.7% in 2000
US average: 13.2%
$75,500
−14%inflation adjusted, since 2000
vs $116,000 in 2000
US average: $93,722
$420
−7%inflation adjusted, since 2000
vs $593 in 2000
US average: $450
vs 80.5% in 2000
24.2% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 85.3%(163,061)
Hispanic / Latino 2.5%(4,737)
1990
White, non-Hispanic 87.7%(126,705)
Hispanic / Latino 2.2%(3,203)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 9 more hispanic origin groups with data Asian origin
+ 3 more asian origin groups with data Ancestry
+ 44 more ancestry groups with data vs 28.3% in 2000
US average: 20.3%
High school or higher
vs 83.9% in 2000
US average: 75.2%
vs 9.5% in 2000
US average: 7.1%
Section 06
Commute & transportation 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.
Marital status (2024)
Men 15+
Never married 30.7%(32,802)
Women 15+
Never married 26.4%(29,965)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 13.7% in 2013
US average: 8.4%
from 54.6% in 2020
US average: 54.8%
Direct-purchase
from 14.5% in 2020
US average: 13.8%
from 19.4% in 2020
US average: 18.4%
from 19.4% in 2020
US average: 20.9%
VA health care
from 2.5% in 2020
US average: 2.2%
Any private
from 68.5% in 2020
US average: 67.1%
Any public
from 36.6% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 28%(4,326)
Gulf War (1990s) 31%(4,796)
Share of the 15,461 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to St. Tammany Parish Head to head
Compare St. Tammany Parish to nearby counties ST. TAMMANY PARISH VS
Orleans Parish
Income $56,631 +85%
Home value $315,700 +318%
Population 362,154 +30%
SEE FULL COMPARISON →
ST. TAMMANY PARISH VS
Hancock County
Income $67,708 +121%
Home value $224,200 +197%
Population 46,873 −83%
SEE FULL COMPARISON →
ST. TAMMANY PARISH VS
Tangipahoa Parish
Income $56,760 +85%
Home value $212,900 +182%
Population 141,346 −49%
SEE FULL COMPARISON →
ST. TAMMANY PARISH VS
Washington Parish
Income $45,380 +48%
Home value $155,700 +106%
Population 44,937 −84%
SEE FULL COMPARISON →
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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