COUNTY · 2000 CENSUS
St. Charles County
Missouri · 283,883 residents · 560.501 sq mi
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Part of the St. Louis metro area
The short version
St. Charles County is significantly wealthier than the US average, with a median household income of $57,258. Population has grown 33% since 1990. Median home value is $122,600. Poverty is rare here, at 4.0% of residents. Households here earn about 51% more than the Missouri median.
At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 34.3
US median: 35.2
Average education
26% 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
2024415K
Age distribution, 2000
Under 57.6%(21,662)
5 to 98.2%(23,203)
10 to 148.4%(23,914)
15 to 197.4%(20,961)
20 to 245.5%(15,702)
25 to 3414%(39,668)
35 to 4418.6%(52,743)
45 to 5413.6%(38,490)
55 to 648%(22,688)
65 to 745.1%(14,461)
75 to 842.8%(8,018)
85 and over0.8%(2,373)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$57,258
+8%inflation adjusted, since 1990
from $40,307 in 1990
US average: $42,589
1990 – 2024
Section 03
Housing
$122,600
+11%inflation adjusted, since 1990
from $83,800 in 1990
US average: $120,530
1990 – 2024
RELATED:See current rent listings in St. Charles County on RentDataNow
Section 04
Race & ethnicity
1990
White, non-Hispanic96.6%(205,761)
Black2.2%(4,667)
Hispanic / Latino1.2%(2,501)
Asian0.7%(1,456)
2000
White, non-Hispanic93.8%(266,158)
Black2.7%(7,573)
Hispanic / Latino1.5%(4,176)
Asian0.8%(2,397)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican2.4%(10,080)
South American0.4%(1,693)
Central American0.4%(1,608)
Puerto Rican0.4%(1,465)
Colombian0.2%(804)
Guatemalan0.1%(517)
Honduran0.1%(375)
Dominican0.1%(374)
Spaniard0.1%(372)
Peruvian0.1%(323)
Cuban0.1%(280)
Panamanian0.1%(239)
+ 9 more hispanic origin groups with data
Venezuelan0.1%(221)
Salvadoran0%(206)
Costa Rican0%(167)
Argentine0%(131)
Ecuadorian0%(107)
Nicaraguan0%(104)
Bolivian0%(54)
Uruguayan0%(33)
Chilean0%(20)
Asian origin
Asian Indian1.2%(5,083)
Vietnamese0.4%(1,752)
Chinese0.4%(1,697)
Filipino0.4%(1,510)
Korean0.2%(866)
Pakistani0.1%(397)
Japanese0.1%(240)
Thai0%(201)
Nepalese0%(130)
Bangladeshi0%(113)
Taiwanese0%(107)
Hmong0%(15)
+ 3 more asian origin groups with data
Ancestry
German31.3%(129,863)
Irish16.1%(66,607)
English12.6%(52,316)
Italian5.8%(23,858)
American5.8%(23,850)
French3.3%(13,570)
Polish2.9%(12,039)
Scottish2%(8,273)
Dutch0.9%(3,760)
Swedish0.8%(3,430)
Scotch-Irish0.7%(2,973)
Norwegian0.7%(2,913)
+ 49 more ancestry groups with data
Subsaharan African0.5%(2,217)
Arab0.5%(1,922)
Welsh0.4%(1,862)
Czech0.4%(1,659)
British0.4%(1,570)
Russian0.3%(1,300)
Swiss0.3%(1,297)
Danish0.3%(1,162)
Hungarian0.3%(1,097)
Greek0.2%(974)
Austrian0.2%(972)
Ukrainian0.2%(874)
French Canadian0.2%(787)
Croatian0.2%(762)
Lithuanian0.2%(718)
Lebanese0.1%(611)
Palestinian0.1%(583)
Iranian0.1%(579)
Portuguese0.1%(540)
Nigerian0.1%(516)
Egyptian0.1%(454)
Finnish0.1%(433)
Canadian0.1%(360)
Slovak0.1%(331)
West Indian0.1%(322)
Brazilian0.1%(312)
Ethiopian0.1%(301)
Belgian0.1%(234)
Jamaican0%(197)
Serbian0%(182)
Romanian0%(171)
Turkish0%(131)
Bulgarian0%(118)
Slovene0%(115)
Latvian0%(112)
Australian0%(109)
Armenian0%(85)
Syrian0%(77)
Israeli0%(67)
Trinidadian & Tobagonian0%(60)
Ghanaian0%(45)
Macedonian0%(32)
Jordanian0%(29)
Haitian0%(28)
Kenyan0%(22)
Moroccan0%(21)
Somali0%(16)
Guyanese0%(11)
Barbadian0%(2)
Section 05
Education
High school or higher
89.1%
+5.9 ptssince 1990
from 83.3% 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 married24.8%(25,931)
Married65.6%(68,633)
Widowed1.6%(1,688)
Divorced8.1%(8,451)
Women 15+
Never married19.6%(21,663)
Married62.9%(69,475)
Widowed7.5%(8,299)
Divorced9.9%(10,944)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Compare St. Charles County to nearby counties
ST. CHARLES COUNTY VS
St. Louis County
Income$82,936+45%
Home value$276,800+126%
Population990,911+132%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
Lincoln County
Income$89,278+56%
Home value$244,300+99%
Population66,676−84%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
St. Louis
Income$56,160−2%
Home value$197,500+61%
Population278,144−35%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
Warren County
Income$81,209+42%
Home value$260,400+112%
Population39,016−91%
SEE FULL COMPARISON →
Frequently asked
How many people live in St. Charles County, Missouri?
St. Charles County, Missouri has about 283,883 residents according to the 2000 Census.
What is the median household income in St. Charles County, Missouri?
The typical household in St. Charles County, Missouri earns about $57,258 a year. Half of households make more than that, and half make less.
Is St. Charles County, Missouri expensive?
In St. Charles County, Missouri, the median home is worth about $122,600, and the typical rent is about $624 a month.
How educated are people in St. Charles County, Missouri?
About 26.3% of adults age 25 and over in St. Charles County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in St. Charles County, Missouri?
About 4.0% of people in St. Charles County, Missouri live below the federal poverty line.
Has St. Charles County, Missouri grown since 1990?
Yes, St. Charles County, Missouri has grown since 1990. The population has added about 70,976 residents, a change of about 33 percent over that period.
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All counties in MissouriDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024