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COUNTY

De Witt County

Illinois · 15,118 residents (2025 est.) · 397.561 sq mi
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The short version

De Witt County has lower-than-average household income, with a median household income of $71,678. Population has declined 8% since 2000. Median home value has risen by half since 2000, reaching $130,300. It sits in the top 10% of US counties for household income.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 43.7
US median: 38.9
Less educated
23% hold a bachelor's degree
US average: 36%
More affordable
home values down 5%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

15,373
−8%since 2000
from 16,798 in 2000
1990 – 2025
39 / sq mi
−6%since 2009
from 41 / sq mi in 2009
US average: 281
43.7
+14%since 2000
from 38.5 in 2000
US average: 38.9

PEP 2025 EST:15,118 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
15K16K16K17K17K1990201020202024De Witt County
202415K
1990201020202024
Age distribution, 2024
Under 55.8%(886)
US avg: 5.6%
5 to 95.3%(816)
US avg: 6%
10 to 146.3%(966)
US avg: 6.4%
15 to 195.5%(853)
US avg: 6.6%
20 to 245.6%(861)
US avg: 6.5%
25 to 3411%(1,684)
US avg: 13.7%
35 to 4412.4%(1,903)
US avg: 13.2%
45 to 5412.6%(1,930)
US avg: 12.2%
55 to 6414.9%(2,292)
US avg: 12.7%
65 to 7411.9%(1,829)
US avg: 10.2%
75 to 846.3%(972)
US avg: 5.1%
85 and over2.5%(381)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$71,678
−5%inflation adjusted, since 2000
from $41,256 in 2000
US average: $82,259
1990 – 2024
$38,005
+85%since 2000
from $20,488 in 2000
US average: $44,673
Households earning $100K+
48.2%
+21.0 ptssince 2009
from 27.2% in 2009
US average: 53.3%
10.0%
+1.8 ptssince 2000
from 8.2% in 2000
US average: 12.5%
0.403
−2%since 2010
from 0.413 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade16.4%
US avg: 9.9%
Other services10.6%
US avg: 6.7%
Public administration10.2%
US avg: 4.8%
Information9.5%
US avg: 10.8%
Finance & insurance8.3%
US avg: 5.9%
Wholesale trade6.3%
US avg: 6.9%
Professional, scientific, technical6.2%
US avg: 5.1%
Agriculture, forestry, fishing3.3%
US avg: 1.6%
Construction3.3%
US avg: 1.2%
Education & health services2.1%
US avg: 0.9%
Transportation & warehousing1.9%
US avg: 2.2%
Arts, entertainment, food1.1%
US avg: 1.9%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$130,300
−5%inflation adjusted, since 2000
from $75,400 in 2000
US average: $376,019
1990 – 2024
$903
+21%inflation adjusted, since 2000
from $409 in 2000
US average: $1,442
78.5%
+3.6 ptssince 2000
from 75.0% in 2000
21.5% rent
9.9%
+2.3 ptssince 2009
from 7.6% in 2009
US average: 10.0%
14.2%
−0.3 ptssince 2009
from 14.6% in 2009
US average: 22.9%
31.3%
+1.8 ptssince 2009
from 29.5% in 2009
US average: 47.4%
1.8
−9%since 2009
from 2.0 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
49
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in De Witt County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.1%(16,303)
Black0.5%(81)
Hispanic / Latino1.3%(213)
Asian0.3%(46)
Other0%
2024
White, non-Hispanic92.7%(14,255)
Black1%(155)
Hispanic / Latino3.5%(540)
Asian0.2%(30)
Other2.6%(393)
17
+67%since 2009
from 10 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
23
+21%since 2020
from 19 in 2020
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
Mexican2.6%(402)
Puerto Rican0.4%(62)
Spaniard0.2%(28)
Cuban0%(1)
Asian origin
Asian Indian0.1%(17)
Japanese0.1%(10)
Korean0%(1)
Ancestry
German20%(3,067)
English14.3%(2,198)
Irish11.3%(1,732)
American7%(1,079)
Polish2.7%(419)
Italian2.2%(341)
Scottish1.4%(218)
French1.4%(216)
Swedish1.2%(184)
Norwegian1.1%(164)
Scotch-Irish0.8%(124)
Dutch0.7%(108)
+ 22 more ancestry groups with data
Russian0.4%(56)
Welsh0.3%(53)
British0.3%(42)
Australian0.2%(35)
Swiss0.2%(25)
Brazilian0.1%(19)
Danish0.1%(18)
Lithuanian0.1%(18)
Arab0.1%(16)
Egyptian0.1%(16)
Serbian0.1%(16)
Slovene0.1%(15)
Canadian0.1%(10)
Greek0.1%(9)
Romanian0.1%(8)
Czech0%(4)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest American population · Largest Polish population
Section 05

Education

23.2%
+9.8 ptssince 2000
from 13.4% in 2000
US average: 35.6%
High school or higher
93.9%
+10.4 ptssince 2000
from 83.5% in 2000
US average: 89.6%
6.9%
+3.7 ptssince 2000
from 3.1% in 2000
US average: 14.0%
Section 06

Commute & transportation

23.3 min
+50%since 2000
from 15.5 min in 2000
US average: 26.5
80.6%
−1.9 ptssince 2009
from 82.5% in 2009
US average: 68.9%
5.8%
−3.8 ptssince 2009
from 9.6% in 2009
US average: 8.5%
0.3%
+0.2 ptssince 2009
from 0.1% in 2009
US average: 3.2%
10.6%
+7.2 ptssince 2009
from 3.4% in 2009
US average: 15.0%
1.8%
−0.9 ptssince 2009
from 2.6% in 2009
US average: 2.4%
0.0%
−0.3 ptssince 2009
from 0.3% in 2009
US average: 0.4%
3.8%
−1.3 ptssince 2009
from 5.1% in 2009
US average: 8.3%
Section 07

Work & employment

4.0%
−2.7 ptssince 2011
from 6.6% in 2011
US average: 5.2%
61.8%
−2.4 ptssince 2011
from 64.2% in 2011
US average: 63.5%
12.2%
−0.5 ptssince 2009
from 12.7% in 2009
US average: 13.1%
31.6%
−27.8 ptssince 2009
from 59.4% in 2009
US average: 42.5%
Section 08

People & community

49.9%
+1.1 ptssince 2009
from 48.8% in 2009
50.1%
−1.1 ptssince 2009
from 51.2% in 2009
1.8%
+0.1 ptssince 2009
from 1.7% in 2009
US average: 14.1%
10.0%
−38.7 ptssince 2009
from 48.7% in 2009
US average: 6.2%
13.7%
+0.1 ptssince 2012
from 13.6% in 2012
US average: 13.3%
3.2%
−87.9 ptssince 2013
from 91.1% in 2013
US average: 8.4%
86.0%
+12.4 ptssince 2017
from 73.6% in 2017
US average: 91.0%
97.3%
−0.1 ptssince 2016
from 97.4% in 2016
US average: 77.7%
2.5%
+0.4 ptssince 2016
from 2.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married33.1%(2,102)
Married51.1%(3,251)
Widowed3.8%(244)
Divorced12%(760)
Women 15+
Never married26.7%(1,698)
Married50.4%(3,197)
Widowed11.1%(706)
Divorced11.8%(747)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in De Witt County, Illinois?

De Witt County, Illinois has about 15,373 residents according to the 2024 American Community Survey.

What is the median household income in De Witt County, Illinois?

The typical household in De Witt County, Illinois earns about $71,678 a year. Half of households make more than that, and half make less.

Is De Witt County, Illinois expensive?

In De Witt County, Illinois, the median home is worth about $130,300, and the typical rent is about $903 a month.

How educated are people in De Witt County, Illinois?

About 23.2% of adults age 25 and over in De Witt County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in De Witt County, Illinois?

About 10.0% of people in De Witt County, Illinois live below the federal poverty line.

Has De Witt County, Illinois grown since 1990?

Yes, De Witt County, Illinois has shrunk since 1990. The population has lost about 1,143 residents, a change of about -7 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 →