CensusEasy
COUNTY · 2020 ACS

St. Charles County

Missouri · 405,262 residents · 560.501 sq mi
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The short version

St. Charles County is significantly wealthier than the US average, with a median household income of $87,644. Population has grown 43% since 2000. Median home value has more than doubled since 2000, reaching $230,100. Poverty is rare here, at 4.8% of residents. Households here earn about 53% more than the Missouri median.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 39.3
US median: 38.8
More educated
41% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
405,262
+43%since 2000
from 283,883 in 2000
1990 – 2025
Median age
39.3
+15%since 2000
from 34.3 in 2000
US average: 38.8
Population, 1990 – 2024
193K253K314K374K435K1990201020202024St. Charles County
2024415K
1990201020202024
Age distribution, 2020
Under 55.7%(23,139)
US avg: 5.6%
5 to 96.5%(26,404)
US avg: 6.1%
10 to 146.9%(28,119)
US avg: 6.5%
15 to 196.8%(27,492)
US avg: 6.6%
20 to 245.7%(23,263)
US avg: 6.7%
25 to 3412.2%(49,608)
US avg: 13.5%
35 to 4413.6%(55,078)
US avg: 12.7%
45 to 5412.6%(50,918)
US avg: 12.3%
55 to 6413.9%(56,190)
US avg: 13.1%
65 to 749.6%(38,803)
US avg: 10%
75 to 844.7%(19,207)
US avg: 4.9%
85 and over1.7%(7,041)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$87,644
+2%inflation adjusted, since 2000
from $57,258 in 2000
US average: $66,278
1990 – 2024
Per capita income
$40,738
+73%since 2000
from $23,592 in 2000
US average: $35,364
Households earning $100K+
58.3%
+12.2 ptssince 2009
from 46.1% in 2009
US average: 43.9%
Poverty rate
4.8%
+0.8 ptssince 2000
from 4.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade12.6%
US avg: 10%
Information11.8%
US avg: 11.1%
Other services10.1%
US avg: 6.6%
Public administration8.2%
US avg: 4.7%
Wholesale trade7%
US avg: 6.7%
Finance & insurance4.3%
US avg: 5.5%
Professional, scientific, technical3.5%
US avg: 4.7%
Transportation & warehousing3.2%
US avg: 2.5%
Arts, entertainment, food2.1%
US avg: 2%
Education & health services0.8%
US avg: 0.8%
Agriculture, forestry, fishing0.6%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$230,100
+25%inflation adjusted, since 2000
from $122,600 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,069
+14%inflation adjusted, since 2000
from $624 in 2000
US average: $1,124
Owner-occupied
78.8%
−3.2 ptssince 2000
from 82.0% in 2000
21.2% rent
Afford Score
2.6
−5%since 2009
from 2.8 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in St. Charles County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.8%(266,158)
Black2.7%(7,573)
Hispanic / Latino1.5%(4,176)
Asian0.8%(2,397)
Other0%
2020
White, non-Hispanic82.9%(335,879)
Black5.1%(20,672)
Hispanic / Latino4%(16,011)
Asian2.7%(11,068)
Other3%(12,051)
Segregation Score
20
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.9%(7,631)
Puerto Rican0.3%(1,362)
Central American0.3%(1,147)
Guatemalan0.2%(617)
Cuban0.1%(475)
Spaniard0.1%(458)
Colombian0.1%(311)
Panamanian0.1%(277)
Peruvian0%(179)
Honduran0%(147)
Dominican0%(146)
+ 9 more hispanic origin groups with data
Asian origin
Asian Indian1%(3,886)
Chinese0.4%(1,674)
Vietnamese0.4%(1,590)
Filipino0.3%(1,000)
Korean0.2%(720)
Japanese0.1%(315)
Pakistani0.1%(298)
Thai0.1%(292)
Laotian0%(69)
Cambodian0%(44)
Nepalese0%(34)
Malaysian0%(28)
+ 5 more asian origin groups with data
Hmong0%(23)
Mongolian0%(13)
Taiwanese0%(11)
Pacific Islander origin
Samoan0%(177)
Ancestry
German33.2%(132,290)
Irish16.3%(65,094)
English10.4%(41,483)
American7.6%(30,249)
Italian6.9%(27,333)
French3.9%(15,372)
Polish3.2%(12,819)
Scottish1.8%(7,011)
Dutch1.3%(5,223)
Scotch-Irish0.9%(3,514)
Swedish0.8%(3,260)
Norwegian0.7%(2,738)
+ 45 more ancestry groups with data
British0.6%(2,303)
Welsh0.6%(2,207)
Czech0.5%(2,078)
Russian0.5%(1,866)
Hungarian0.4%(1,737)
Swiss0.3%(1,311)
Austrian0.3%(1,086)
Danish0.3%(1,086)
Greek0.2%(850)
Lithuanian0.2%(776)
Ukrainian0.2%(732)
Croatian0.2%(709)
Iranian0.1%(590)
Canadian0.1%(562)
Belgian0.1%(526)
Finnish0.1%(475)
Egyptian0.1%(401)
Portuguese0.1%(360)
Brazilian0.1%(340)
Slovak0.1%(335)
Romanian0.1%(334)
West Indian0.1%(298)
Lebanese0.1%(216)
Armenian0%(134)
Israeli0%(126)
Macedonian0%(108)
Bulgarian0%(100)
Nigerian0%(100)
Turkish0%(85)
Slovene0%(84)
Serbian0%(82)
Haitian0%(81)
Latvian0%(70)
Jamaican0%(61)
Kenyan0%(53)
Ethiopian0%(26)
Syrian0%(16)
Somali0%(11)
Jordanian0%(10)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
40.8%
+14.4 ptssince 2000
from 26.3% in 2000
US average: 32.9%
High school or higher
95.0%
+5.9 ptssince 2000
from 89.1% in 2000
US average: 88.5%
Graduate degree
14.9%
+7.0 ptssince 2000
from 7.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
25.6 min
+44%since 2000
from 17.7 min in 2000
US average: 26.9
Drive alone to work
83.4%
−3.3 ptssince 2009
from 86.7% in 2009
US average: 75.1%
No vehicle available
2.8%
−0.1 ptssince 2009
from 2.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.0%
−3.0 ptssince 2011
from 6.0% in 2011
US average: 5.4%
Labor force participation
69.6%
−3.5 ptssince 2011
from 73.1% in 2011
US average: 63.4%
Management & professional
44.7%
−22.2 ptssince 2009
from 66.9% in 2009
US average: 39.3%
Section 08

People & community

Male
49.2%
−0.2 ptssince 2009
from 49.3% in 2009
Female
50.8%
+0.2 ptssince 2009
from 50.7% in 2009
Foreign born
3.9%
+0.8 ptssince 2009
from 3.2% in 2009
US average: 13.5%
Uninsured
4.3%
−88.5 ptssince 2013
from 92.8% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married30.5%(50,668)
Married59%(98,118)
Widowed2.1%(3,562)
Divorced8.3%(13,854)
Women 15+
Never married25.4%(43,713)
Married55%(94,825)
Widowed7.7%(13,298)
Divorced11.9%(20,538)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to St. Charles County

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Pop 433,415
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Pop 457,710
Sonoma County
Pop 486,444
Mercer County
Pop 399,289
Places similar to St. Charles County
Head to head

Compare St. Charles County to nearby counties

ST. CHARLES COUNTY VS
St. Louis County
Income$82,936−5%
Home value$276,800+20%
Population990,911+132%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
Lincoln County
Income$89,278+2%
Home value$244,300+6%
Population66,676−84%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
St. Louis
Income$56,160−36%
Home value$197,500−14%
Population278,144−35%
SEE FULL COMPARISON →
ST. CHARLES COUNTY VS
Warren County
Income$81,209−7%
Home value$260,400+13%
Population39,016−91%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Charles County, Missouri?

St. Charles County, Missouri has about 405,262 residents according to the 2020 American Community Survey.

What is the median household income in St. Charles County, Missouri?

The typical household in St. Charles County, Missouri earns about $87,644 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 $230,100, and the typical rent is about $1,069 a month.

How educated are people in St. Charles County, Missouri?

About 40.8% 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 4.8% 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 192,355 residents, a change of about 90 percent over that period.

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Explore from here

85 census tracts (top 20 by population)
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14 ZIP codes
ZIP 63376ZIP 63366ZIP 63301ZIP 63385ZIP 63368ZIP 63303ZIP 63304ZIP 63367ZIP 63348ZIP 63341ZIP 63332ZIP 63373ZIP 63386ZIP 63365
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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