United States › Illinois › Madison County COUNTY · 2020 ACS
Madison County Illinois · 265,859 residents · 716 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Madison County is home to 265,859 people in Illinois. The foreign-born share is 2%. Home values have more than doubled since 2000, reaching $138,500. 71% of homes are owner-occupied. 28% of adults hold a bachelor's degree or higher. Median rent is $835 a month.
At a glance
Average income
near the US median
US median: $66,278
Mid-age
median age 40.3
US median: 38.8
Less educated
28% 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 from 36.9 in 2000
US average: 38.8
Population, 1990 – 2024
247K 253K 259K 265K 271K 1990 2000 2010 2020 2024 Madison County Age distribution, 2020
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Section 02
Income & economy $64,045
+3%inflation adjusted, since 2000
from $41,541 in 2000
US average: $66,278
from $20,509 in 2000
US average: $35,364
Households earning $100K+
from 30.7% in 2009
US average: 43.9%
from 9.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 6.1%
Public administration 4.4%
Transportation & warehousing 2.6%
Arts, entertainment, food 1.5%
Education & health services 1.2%
Agriculture, forestry, fishing 0.9%
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$138,500
+20%inflation adjusted, since 2000
from $76,500 in 2000
US average: $265,253
$835
+13%inflation adjusted, since 2000
from $490 in 2000
US average: $1,124
from 73.8% in 2000
28.7% rent
from 2.41 people in 2009
US average: 2.61
from 2.3 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 89.3%(231,313)
Hispanic / Latino 1.5%(3,925)
2020
White, non-Hispanic 80.4%(213,793)
Hispanic / Latino 4.1%(10,797)
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
+ 3 more hispanic origin groups with data Asian origin
+ 1 more asian origin group with data Ancestry
+ 45 more ancestry groups with data from 19.2% in 2000
US average: 32.9%
High school or higher
from 84.3% in 2000
US average: 88.5%
from 6.8% in 2000
US average: 12.7%
Section 06
Commute & transportation from 16.8 min in 2000
US average: 26.9
from 85.6% in 2009
US average: 75.1%
from 5.8% in 2009
US average: 8.4%
Section 07
Work & employment from 8.0% in 2011
US average: 5.4%
from 64.0% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 33.0% in 2009
US average: 39.3%
Section 08
People & community from 2.1% in 2009
US average: 13.5%
from 9.6% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 34.8%(36,749)
Women 15+
Never married 29.1%(32,758)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 9.6% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
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, 2020
Gulf War (2001 or later) 19.5%(3,820)
Gulf War (1990s) 21.6%(4,229)
Share of the 19,598 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.
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Drill deeper
Places similar to Madison County Head to head
Compare Madison County to nearby counties MADISON COUNTY VS
St. Louis
Income $56,160 −12%
Home value $197,500 +43%
Population 278,144 +6%
SEE FULL COMPARISON →
MADISON COUNTY VS
St. Clair County
Income $73,854 +15%
Home value $180,300 +30%
Population 250,708 −5%
SEE FULL COMPARISON →
MADISON COUNTY VS
Bond County
Income $65,959 +3%
Home value $145,700 +5%
Population 16,959 −94%
SEE FULL COMPARISON →
MADISON COUNTY VS
Clinton County
Income $86,588 +35%
Home value $192,400 +39%
Population 37,128 −86%
SEE FULL COMPARISON →
Frequently asked
How many people live in Madison County, Illinois? Madison County, Illinois has about 265,859 residents according to the 2020 American Community Survey.
What is the median household income in Madison County, Illinois? The typical household in Madison County, Illinois earns about $64,045 a year. Half of households make more than that, and half make less.
Is Madison County, Illinois expensive? In Madison County, Illinois, the median home is worth about $138,500, and the typical rent is about $835 a month.
How educated are people in Madison County, Illinois? About 27.8% of adults age 25 and over in Madison County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Madison County, Illinois? About 12.4% of people in Madison County, Illinois live below the federal poverty line.
Has Madison County, Illinois grown since 1990? Yes, Madison County, Illinois has grown since 1990. The population has added about 16,621 residents, a change of about 7 percent over that period.
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