COUNTY · 1990 CENSUS
St. Louis County
Missouri · 993,529 residents · 507.995 sq mi
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The short version
St. Louis County is wealthier than most US places, with a median household income of $38,127. Population has held roughly steady since 2000. 29% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $82,600. Poverty is rare here, at 5.6% of residents. Households here earn about 45% more than the Missouri median.
At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 34.7
US median: 33.0
More educated
29% hold a bachelor's degree
US average: 20%
More affordable
home values down 5%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
2024996K
Age distribution, 1990
Under 56.9%(68,711)
5 to 97.1%(70,361)
10 to 146.7%(66,825)
15 to 196.4%(63,564)
20 to 246.4%(63,159)
25 to 3417.1%(170,211)
35 to 4415.9%(157,550)
45 to 5411%(109,080)
55 to 649.5%(94,162)
65 to 747.6%(75,324)
75 to 844.2%(41,382)
85 and over1.3%(13,200)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$38,127
−1%inflation adjusted, since 2000
vs $50,532 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$82,600
−5%inflation adjusted, since 2000
vs $114,800 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in St. Louis County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic76%(772,041)
Black18.9%(192,544)
Hispanic / Latino1.4%(14,577)
Asian2.2%(22,492)
Other0%
1990
White, non-Hispanic84.2%(836,603)
Black14%(139,044)
Hispanic / Latino1%(9,491)
Asian1.4%(13,899)
Other0.4%(3,983)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican2.3%(22,829)
Central American0.4%(4,001)
South American0.4%(3,540)
Puerto Rican0.2%(2,205)
Guatemalan0.1%(1,305)
Cuban0.1%(1,250)
Spaniard0.1%(1,249)
Colombian0.1%(1,203)
Salvadoran0.1%(1,124)
Honduran0.1%(1,110)
Venezuelan0.1%(771)
Peruvian0.1%(769)
+ 10 more hispanic origin groups with data
Dominican0.1%(586)
Chilean0%(253)
Argentine0%(224)
Nicaraguan0%(202)
Ecuadorian0%(182)
Costa Rican0%(133)
Panamanian0%(127)
Bolivian0%(99)
Paraguayan0%(20)
Uruguayan0%(19)
Asian origin
Asian Indian1.9%(19,271)
Chinese1.1%(11,296)
Vietnamese0.4%(4,224)
Filipino0.4%(3,719)
Korean0.3%(2,900)
Pakistani0.2%(1,586)
Taiwanese0.1%(970)
Japanese0.1%(748)
Kazakh0.1%(602)
Nepalese0.1%(599)
Thai0%(423)
Sri Lankan0%(175)
+ 10 more asian origin groups with data
Burmese0%(172)
Malaysian0%(134)
Bangladeshi0%(134)
Cambodian0%(127)
Laotian0%(107)
Indonesian0%(88)
Mongolian0%(54)
Hmong0%(41)
Bhutanese0%(23)
Uzbek0%(10)
Pacific Islander origin
Native Hawaiian0%(413)
Samoan0%(189)
Fijian0%(146)
Chamorro0%(84)
Chuukese0%(5)
Guamanian0%(1)
Ancestry
German22.3%(221,556)
Irish12.2%(121,090)
English9.1%(90,641)
American5.5%(54,380)
Italian4.6%(45,945)
French2.4%(24,215)
Polish2.4%(24,203)
Scottish1.5%(15,111)
Subsaharan African1.3%(13,278)
Russian0.8%(8,258)
Dutch0.7%(7,192)
Arab0.7%(7,074)
+ 51 more ancestry groups with data
Swedish0.7%(6,740)
Scotch-Irish0.6%(6,062)
Norwegian0.5%(5,118)
Czech0.5%(5,111)
Welsh0.4%(4,265)
Hungarian0.4%(4,078)
Greek0.4%(4,000)
British0.3%(3,208)
Croatian0.3%(2,963)
Swiss0.3%(2,940)
Austrian0.3%(2,843)
Danish0.3%(2,521)
Ukrainian0.2%(2,337)
Nigerian0.2%(2,263)
West Indian0.2%(2,102)
Lithuanian0.2%(1,940)
Kenyan0.2%(1,865)
Lebanese0.2%(1,730)
French Canadian0.1%(1,473)
Slovak0.1%(1,202)
Romanian0.1%(1,163)
Syrian0.1%(1,118)
Canadian0.1%(1,114)
Turkish0.1%(1,015)
Jamaican0.1%(979)
Serbian0.1%(958)
Portuguese0.1%(950)
Iranian0.1%(914)
Palestinian0.1%(880)
Bulgarian0.1%(876)
Finnish0.1%(858)
Belgian0.1%(728)
Ghanaian0.1%(665)
Brazilian0.1%(655)
Ethiopian0.1%(652)
Haitian0.1%(623)
Slovene0.1%(582)
Armenian0%(480)
Jordanian0%(423)
Australian0%(300)
Moroccan0%(292)
Iraqi0%(246)
Egyptian0%(235)
Israeli0%(220)
Trinidadian & Tobagonian0%(210)
Latvian0%(137)
Macedonian0%(115)
Barbadian0%(93)
Cape Verdean0%(32)
Somali0%(23)
Guyanese0%(9)
Section 05
Education
High school or higher
82.3%
−5.6 ptsvs 2000
vs 88.0% in 2000
US average: 75.2%
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 (2024)
Men 15+
Never married36.2%(139,210)
Married52.3%(201,187)
Widowed2.8%(10,838)
Divorced8.6%(33,083)
Women 15+
Never married32.5%(140,529)
Married45.8%(197,638)
Widowed9%(38,955)
Divorced12.7%(54,712)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare St. Louis County to nearby counties
ST. LOUIS COUNTY VS
St. Louis
Income$56,160+47%
Home value$197,500+139%
Population278,144−72%
SEE FULL COMPARISON →
ST. LOUIS COUNTY VS
St. Charles County
Income$104,692+175%
Home value$320,800+288%
Population426,499−57%
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ST. LOUIS COUNTY VS
Jefferson County
Income$82,851+117%
Home value$237,200+187%
Population233,132−76%
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ST. LOUIS COUNTY VS
Monroe County
Income$102,880+170%
Home value$282,100+242%
Population34,840−96%
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Frequently asked
How many people live in St. Louis County, Missouri?
St. Louis County, Missouri has about 993,529 residents according to the 1990 Census.
What is the median household income in St. Louis County, Missouri?
The typical household in St. Louis County, Missouri earns about $38,127 a year. Half of households make more than that, and half make less.
Is St. Louis County, Missouri expensive?
In St. Louis County, Missouri, the median home is worth about $82,600, and the typical rent is about $482 a month.
How educated are people in St. Louis County, Missouri?
About 29.2% of adults age 25 and over in St. Louis County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in St. Louis County, Missouri?
About 5.6% of people in St. Louis County, Missouri live below the federal poverty line.
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236 census tracts (top 20 by population)
Census Tract 2215.02Census Tract 2147Census Tract 2177.02Census Tract 2111.01Census Tract 2215.03Census Tract 2176Census Tract 2109.12Census Tract 2214.21Census Tract 2132.02Census Tract 2102Census Tract 2163Census Tract 2108.05Census Tract 2107.02Census Tract 2152.01Census Tract 2179.31Census Tract 2113.01Census Tract 2216.25Census Tract 2178.02Census Tract 2178.52Census Tract 2179.2343 ZIP codes (top 30 by population)
ZIP 63021ZIP 63129ZIP 63031ZIP 63123ZIP 63017ZIP 63033ZIP 63122ZIP 63136ZIP 63011ZIP 63119ZIP 63114ZIP 63125ZIP 63146ZIP 63128ZIP 63130ZIP 63121ZIP 63043ZIP 63141ZIP 63005ZIP 63137ZIP 63025ZIP 63034ZIP 63105ZIP 63135ZIP 63138ZIP 63131ZIP 63042ZIP 63074ZIP 63126ZIP 63132Up the hierarchy
All counties in MissouriDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024