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CITY · 2020 ACS

Decatur

Illinois · 70,522 residents · 43.476 sq mi
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The short version

Decatur has notably lower household income than the US average, with a median household income of $45,404. Population has declined 14% since 2000. Median home value is $85,500. Households here earn about 34% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $66,278
Mid-age
median age 40.2
US median: 38.8
Less educated
21% hold a bachelor's degree
US average: 33%
More affordable
home values down 6%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
70,522
−14%since 2000
from 81,860 in 2000
1990 – 2025
Population density
1,622 / sq mi
−14%since 2000
from 1,883 / sq mi in 2000
US average: 280
Median age
40.2
+8%since 2000
from 37.2 in 2000
US average: 38.8
Population, 1990 – 2024
68K73K77K81K85K1990201020202024Decatur
202470K
1990201020202024
Section 02

Income & economy

Median household income
$45,404
−9%inflation adjusted, since 2000
from $33,111 in 2000
US average: $66,278
1990 – 2024
Per capita income
$27,813
+46%since 2000
from $19,009 in 2000
US average: $35,364
Households earning $100K+
27.2%
+7.3 ptssince 2009
from 19.9% in 2009
US average: 43.9%
Poverty rate
19.4%
+2.9 ptssince 2000
from 16.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade18.8%
US avg: 10%
Information11.7%
US avg: 11.1%
Finance & insurance5.8%
US avg: 5.5%
Other services5.3%
US avg: 6.6%
Professional, scientific, technical4.7%
US avg: 4.7%
Wholesale trade4.2%
US avg: 6.7%
Public administration3.3%
US avg: 4.7%
Transportation & warehousing2%
US avg: 2.5%
Arts, entertainment, food1.7%
US avg: 2%
Agriculture, forestry, fishing1.3%
US avg: 1.7%
Construction1.3%
US avg: 1.2%
Education & health services1.1%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$85,500
−6%inflation adjusted, since 2000
from $60,600 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$688
+2%inflation adjusted, since 2000
from $447 in 2000
US average: $1,124
Owner-occupied
59.0%
−7.3 ptssince 2000
from 66.4% in 2000
41.0% rent
Afford Score
1.9
+3%since 2000
from 1.8 in 2000
1990 – 2024
RELATED:See current rent listings in Decatur on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic77%(62,993)
Black19.4%(15,846)
Hispanic / Latino1.2%(978)
Asian0.7%(536)
Other0%
Diversity Score43.3%(35,439)
2020
White, non-Hispanic62.9%(44,371)
Black26.4%(18,606)
Hispanic / Latino3.1%(2,167)
Asian1.3%(910)
Other5.5%(3,912)
Diversity Score65.4%(46,090)
Diversity Score
65
+51%since 2000
from 43 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.5%
+4.5 ptssince 2000
from 17.0% in 2000
US average: 32.9%
High school or higher
89.5%
+8.7 ptssince 2000
from 80.8% in 2000
US average: 88.5%
Graduate degree
7.8%
+2.1 ptssince 2000
from 5.7% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
17.1 min
+49%since 2000
from 11.5 min in 2000
US average: 26.9
Drive alone to work
82.9%
−2.4 ptssince 2009
from 85.3% in 2009
US average: 75.1%
No vehicle available
12.6%
+0.8 ptssince 2009
from 11.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
9.3%
−0.7 ptssince 2011
from 10.0% in 2011
US average: 5.4%
Labor force participation
57.5%
−1.3 ptssince 2011
from 58.8% in 2011
US average: 63.4%
Management & professional
29.8%
−35.2 ptssince 2009
from 65.0% in 2009
US average: 39.3%
Section 08

People & community

Male
46.6%
Unchangedsince 2009
from 46.7% in 2009
Female
53.4%
Unchangedsince 2009
from 53.3% in 2009
Foreign born
2.5%
+0.3 ptssince 2009
from 2.2% in 2009
US average: 13.5%
Uninsured
5.2%
−81.4 ptssince 2013
from 86.6% in 2013
US average: 8.8%
Drill deeper

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DECATUR VS
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DECATUR VS
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DECATUR VS
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Frequently asked

How many people live in Decatur, Illinois?

Decatur, Illinois has about 70,522 residents according to the 2020 American Community Survey.

What is the median household income in Decatur, Illinois?

The typical household in Decatur, Illinois earns about $45,404 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 $85,500, and the typical rent is about $688 a month.

How educated are people in Decatur, Illinois?

About 21.5% 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 19.4% 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 13,363 residents, a change of about -16 percent over that period.

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

How we source and harmonize this data →