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CITY · 1990 CENSUS

St. Charles

Illinois · 22,512 residents · 14.5 sq mi
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The short version

St. Charles is a city of 22,512 people in Illinois. This is an unusually credentialed place: 36% of adults have a four-year degree. Households here earn about 45% more than in Illinois as a whole. Households take in $46,655 a year at the median, 55% more than the country as a whole. The poverty rate is 2.5%, under the national 13.2%. The typical home is worth $137,100.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 33.5
US median: 33.0
More educated
36% hold a bachelor's degree
US average: 20%
More affordable
home values down 7%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

22,512
−19%vs 2000
vs 27,896 in 2000
1990 – 2025
33.5
−9%vs 2000
vs 36.6 in 2000
US average: 33.0
Land area
14.5 sq mi
Population, 19902024
21K25K28K31K35K19902000201020202024St. Charles
202433K
1990201020202024
Age distribution, 1990
Under 57.5%(1,689)
US avg: 7.3%
5 to 98.7%(1,952)
US avg: 7.3%
10 to 147.8%(1,749)
US avg: 6.9%
15 to 197%(1,583)
US avg: 7.1%
20 to 245.3%(1,192)
US avg: 7.5%
25 to 3416.4%(3,687)
US avg: 17.5%
35 to 4418.8%(4,233)
US avg: 15.1%
45 to 5411.7%(2,638)
US avg: 10.2%
55 to 647.3%(1,647)
US avg: 8.5%
65 to 745.3%(1,200)
US avg: 7.3%
75 to 843.4%(759)
US avg: 4%
85 and over0.8%(183)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$46,655
−11%inflation adjusted, since 2000
vs $69,424 in 2000
US average: $30,130
1990 – 2024
$20,794
−39%vs 2000
vs $33,969 in 2000
US average: $14,340
2.5%
−0.9 ptsvs 2000
vs 3.4% in 2000
US average: 13.2%
Section 03

Housing

$137,100
−7%inflation adjusted, since 2000
vs $193,800 in 2000
US average: $93,722
1990 – 2024
$604
Unchangedinflation adjusted, since 2000
vs $797 in 2000
US average: $450
69.8%
−4.2 ptsvs 2000
vs 74.0% in 2000
30.2% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic90.4%(25,212)
Black1.6%(450)
Hispanic / Latino5.5%(1,535)
Asian1.8%(494)
Other0%
1990
White, non-Hispanic98.1%(22,081)
Black0.4%(82)
Hispanic / Latino2.6%(585)
Asian0.7%(163)
Other0.8%(186)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican9.1%(2,979)
Cuban0.7%(242)
Puerto Rican0.7%(236)
Guatemalan0.4%(122)
Colombian0.4%(119)
Spaniard0.3%(106)
Honduran0.2%(62)
Venezuelan0.2%(61)
Peruvian0.1%(29)
Costa Rican0.1%(27)
+ 1 more hispanic origin group with data
Ecuadorian0.1%(17)
Asian origin
Asian Indian1.8%(589)
Burmese0.8%(266)
Filipino0.6%(197)
Pakistani0.4%(123)
Chinese0.3%(105)
Laotian0.3%(90)
Korean0.3%(83)
Taiwanese0.1%(35)
Japanese0.1%(28)
Vietnamese0.1%(22)
Nepalese0%(10)
Ancestry
German22.6%(7,411)
Irish16.1%(5,301)
Italian12.4%(4,059)
Polish10.2%(3,347)
English9.2%(3,010)
Swedish4.8%(1,587)
American2.8%(936)
Norwegian2.2%(723)
Dutch1.9%(627)
Czech1.6%(528)
French1.5%(482)
Greek1.4%(460)
+ 28 more ancestry groups with data
Scottish1.4%(456)
Lithuanian1.3%(420)
Scotch-Irish1.2%(397)
Russian1%(315)
Austrian0.7%(216)
Arab0.5%(176)
Slovak0.5%(164)
Welsh0.5%(163)
Danish0.5%(160)
British0.5%(148)
Hungarian0.4%(121)
Belgian0.3%(106)
Ukrainian0.3%(103)
Croatian0.3%(97)
Swiss0.2%(69)
Finnish0.1%(45)
Canadian0.1%(40)
Romanian0.1%(39)
Slovene0.1%(31)
Lebanese0.1%(19)
Iraqi0.1%(18)
Iranian0.1%(18)
Israeli0.1%(17)
Serbian0%(7)
Section 05

Education

36.1%
−6.9 ptsvs 2000
vs 42.9% in 2000
US average: 20.3%
High school or higher
88.4%
−3.2 ptsvs 2000
vs 91.6% in 2000
US average: 75.2%
11.3%
−3.5 ptsvs 2000
vs 14.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

22.1 min
+18%vs 2000
vs 18.8 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 married34.4%(4,678)
Married55.5%(7,562)
Widowed2.3%(317)
Divorced7.8%(1,056)
Women 15+
Never married28.3%(3,991)
Married52.4%(7,400)
Widowed7%(990)
Divorced12.3%(1,730)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

4.2%
−3.0 ptssince 2013
from 7.2% in 2013
US average: 8.4%
67.0%
−3.1 ptssince 2020
from 70.1% in 2020
US average: 54.8%
Direct-purchase
15.9%
−0.3 ptssince 2020
from 16.2% in 2020
US average: 13.8%
16.8%
+1.0 ptssince 2020
from 15.8% in 2020
US average: 18.4%
9.9%
+0.4 ptssince 2020
from 9.5% in 2020
US average: 20.9%
VA health care
1.1%
−0.4 ptssince 2020
from 1.5% in 2020
US average: 2.2%
Any private
80.8%
−2.9 ptssince 2020
from 83.7% in 2020
US average: 67.1%
Any public
25.8%
+1.7 ptssince 2020
from 24.1% 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)23.5%(246)
US avg: 26.4%
Gulf War (1990s)18.9%(198)
US avg: 24.3%
Vietnam era43.4%(455)
US avg: 33.1%
Korean War4.6%(48)
US avg: 4.5%
World War II2.3%(24)
US avg: 1%

Share of the 1,048 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
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Frequently asked

How many people live in St. Charles, Illinois?

St. Charles, Illinois has about 22,512 residents according to the 1990 Census.

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

The typical household in St. Charles, Illinois earns about $46,655 a year. Half of households make more than that, and half make less.

Is St. Charles, Illinois expensive?

In St. Charles, Illinois, the median home is worth about $137,100, and the typical rent is about $604 a month.

How educated are people in St. Charles, Illinois?

About 36.1% of adults age 25 and over in St. Charles, Illinois hold a bachelor's degree or higher.

What is the poverty rate in St. Charles, Illinois?

About 2.5% of people in St. Charles, Illinois live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →