United States › Illinois › Decatur CITY · 2000 CENSUS
Decatur Illinois · 81,860 residents · 43.5 sq mi
Time machine
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The short version
Decatur is a city of 81,860 people in Illinois. Median home value sits at $60,600. That trails the Illinois median by roughly 29%. 17% of adults hold a bachelor's degree or higher. Getting to work takes 12 minutes on average. Median rent is $447 a month.
At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 37.2
US median: 35.2
Less educated
17% 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 from 35.0 in 1990
US average: 35.2
Population, 1990 – 2024
68K 73K 77K 81K 85K 1990 2000 2010 2020 2024 Decatur Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $33,111
−1%inflation adjusted, since 1990
from $25,451 in 1990
US average: $42,589
from $13,348 in 1990
US average: $21,522
from 15.9% in 1990
US average: 12.4%
$60,600
+9%inflation adjusted, since 1990
from $42,200 in 1990
US average: $120,530
$447
Unchangedinflation adjusted, since 1990
from $339 in 1990
US average: $602
from 65.9% in 1990
33.6% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 82.6%(69,269)
Hispanic / Latino 0.7%(586)
2000
White, non-Hispanic 77%(62,993)
Hispanic / Latino 1.2%(978)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 1 more hispanic origin group with data Ancestry
+ 36 more ancestry groups with data from 15.7% in 1990
US average: 24.4%
High school or higher
from 74.0% in 1990
US average: 80.3%
from 5.5% in 1990
US average: 8.8%
Section 06
Commute & transportation from 13.8 min in 1990
US average: 17.6
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 married 29.5%(8,872)
Women 15+
Never married 23.6%(8,348)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 13.4% in 2013
US average: 8.4%
from 52.9% in 2020
US average: 54.8%
Direct-purchase
from 12.7% in 2020
US average: 13.8%
from 23.1% in 2020
US average: 18.4%
from 29.1% in 2020
US average: 20.9%
VA health care
from 2.3% in 2020
US average: 2.2%
Any private
from 63.0% in 2020
US average: 67.1%
Any public
from 48.0% 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) 18.5%(680)
Gulf War (1990s) 12.1%(445)
Share of the 3,672 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 Decatur Head to head
Compare Decatur to nearby cities DECATUR VS
Taylorville
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DECATUR VS
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Frequently asked
How many people live in Decatur, Illinois? Decatur, Illinois has about 81,860 residents according to the 2000 Census.
What is the median household income in Decatur, Illinois? The typical household in Decatur, Illinois earns about $33,111 a year. Half of households make more than that, and half make less.
Is Decatur, Illinois expensive? In Decatur, Illinois, the median home is worth about $60,600, and the typical rent is about $447 a month.
How educated are people in Decatur, Illinois? About 17.0% of adults age 25 and over in Decatur, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Decatur, Illinois? About 16.5% of people in Decatur, Illinois live below the federal poverty line.
Has Decatur, Illinois grown since 1990? Yes, Decatur, Illinois has shrunk since 1990. The population has lost about 2,025 residents, a change of about -2 percent over that period.
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