COUNTY · 2000 CENSUS
St. Tammany Parish
Louisiana · 191,268 residents · 845.281 sq mi
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Part of the Slidell metro area
The short version
St. Tammany Parish is wealthier than most US places, with a median household income of $47,883. Population has grown 32% since 1990. Median home value has risen by half since 1990, reaching $116,000. Households here earn about 47% more than the Louisiana median.
At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.3
US median: 35.2
More educated
28% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth
Population, 1990 – 2024
2024272K
Age distribution, 2000
Under 57.1%(13,556)
5 to 97.9%(15,029)
10 to 148.4%(16,147)
15 to 197.7%(14,672)
20 to 244.7%(9,045)
25 to 3412%(22,986)
35 to 4417.8%(34,112)
45 to 5415.5%(29,703)
55 to 648.8%(16,858)
65 to 745.7%(10,993)
75 to 843.3%(6,329)
85 and over1%(1,838)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$47,883
+19%inflation adjusted, since 1990
from $30,656 in 1990
US average: $42,589
1990 – 2024
Section 03
Housing
$116,000
+17%inflation adjusted, since 1990
from $75,500 in 1990
US average: $120,530
1990 – 2024
RELATED:See current rent listings in St. Tammany Parish on RentDataNow
Section 04
Race & ethnicity
1990
White, non-Hispanic87.7%(126,705)
Black11%(15,869)
Hispanic / Latino2.2%(3,203)
Asian0.5%(768)
2000
White, non-Hispanic85.3%(163,061)
Black9.8%(18,788)
Hispanic / Latino2.5%(4,737)
Asian0.7%(1,413)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Central American2.8%(7,748)
Mexican2%(5,537)
Honduran1.8%(4,921)
Spaniard0.8%(2,205)
Puerto Rican0.6%(1,605)
South American0.3%(937)
Guatemalan0.3%(931)
Cuban0.2%(673)
Salvadoran0.2%(662)
Nicaraguan0.2%(606)
Colombian0.2%(435)
Dominican0.1%(211)
+ 9 more hispanic origin groups with data
Panamanian0.1%(186)
Costa Rican0.1%(156)
Peruvian0.1%(151)
Venezuelan0%(119)
Ecuadorian0%(114)
Argentine0%(97)
Chilean0%(13)
Bolivian0%(5)
Paraguayan0%(3)
Asian origin
Vietnamese0.5%(1,411)
Asian Indian0.2%(638)
Chinese0.2%(507)
Filipino0.1%(261)
Burmese0%(128)
Japanese0%(114)
Pakistani0%(103)
Nepalese0%(92)
Thai0%(78)
Korean0%(67)
Taiwanese0%(54)
Laotian0%(44)
+ 3 more asian origin groups with data
Ancestry
German14.9%(40,668)
French14.1%(38,458)
Irish13.1%(35,773)
English10.8%(29,399)
Italian10.3%(28,133)
American9.6%(26,266)
Scottish1.6%(4,223)
French Canadian1.5%(3,983)
Polish0.9%(2,374)
Scotch-Irish0.8%(2,265)
West Indian0.6%(1,551)
Arab0.5%(1,408)
+ 44 more ancestry groups with data
Norwegian0.5%(1,377)
Welsh0.5%(1,254)
British0.4%(1,179)
Dutch0.4%(1,156)
Swedish0.4%(1,045)
Subsaharan African0.3%(777)
Hungarian0.2%(633)
Trinidadian & Tobagonian0.2%(551)
Russian0.2%(529)
Lebanese0.2%(511)
Danish0.2%(511)
Austrian0.2%(505)
Haitian0.2%(457)
Greek0.2%(441)
Croatian0.2%(413)
Canadian0.1%(397)
Lithuanian0.1%(371)
Portuguese0.1%(348)
Syrian0.1%(322)
Nigerian0.1%(312)
Swiss0.1%(255)
Turkish0.1%(252)
Czech0.1%(230)
Ukrainian0.1%(202)
Slovak0.1%(173)
Israeli0.1%(170)
Belgian0.1%(166)
Brazilian0.1%(159)
Australian0.1%(154)
Finnish0%(127)
Iranian0%(126)
Barbadian0%(96)
Romanian0%(76)
Palestinian0%(75)
Jordanian0%(73)
Bulgarian0%(60)
Slovene0%(58)
Moroccan0%(39)
Armenian0%(37)
Egyptian0%(36)
Serbian0%(34)
Latvian0%(28)
Kenyan0%(18)
Jamaican0%(3)
Section 05
Education
High school or higher
83.9%
+7.0 ptssince 1990
from 76.9% in 1990
US average: 80.3%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status
Men 15+
Never married23.7%(16,744)
Married65.2%(45,990)
Widowed2.1%(1,475)
Divorced8.9%(6,302)
Women 15+
Never married18.4%(13,999)
Married60.8%(46,220)
Widowed9.5%(7,247)
Divorced11.2%(8,522)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper
Places similar to St. Tammany Parish
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Pop 277,140
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Pop 278,657
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Pop 264,922
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Pop 267,761
Places similar to St. Tammany ParishHead to head
Compare St. Tammany Parish to nearby counties
ST. TAMMANY PARISH VS
Orleans Parish
Income$56,631+18%
Home value$315,700+172%
Population362,154+30%
SEE FULL COMPARISON →
ST. TAMMANY PARISH VS
Hancock County
Income$67,708+41%
Home value$224,200+93%
Population46,873−83%
SEE FULL COMPARISON →
ST. TAMMANY PARISH VS
Tangipahoa Parish
Income$56,760+19%
Home value$212,900+84%
Population141,346−49%
SEE FULL COMPARISON →
ST. TAMMANY PARISH VS
Washington Parish
Income$45,380−5%
Home value$155,700+34%
Population44,937−84%
SEE FULL COMPARISON →
Frequently asked
How many people live in St. Tammany Parish, Louisiana?
St. Tammany Parish, Louisiana has about 191,268 residents according to the 2000 Census.
What is the median household income in St. Tammany Parish, Louisiana?
The typical household in St. Tammany Parish, Louisiana earns about $47,883 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 $116,000, and the typical rent is about $593 a month.
How educated are people in St. Tammany Parish, Louisiana?
About 28.3% 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 9.7% of people in St. Tammany Parish, Louisiana live below the federal poverty line.
Has St. Tammany Parish, Louisiana grown since 1990?
Yes, St. Tammany Parish, Louisiana has grown since 1990. The population has added about 46,760 residents, a change of about 32 percent over that period.
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All counties in LouisianaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024