De Witt County, Illinois Population 2024

15,365

De Witt County, Illinois's estimated 2024 population is 15,365 with a growth rate of 0% in the past year according to the most recent United States census data. De Witt County, Illinois is the 70th largest county in Illinois. The 2010 population was 16,589 and has seen a growth of -7.38% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202915,36500%
202815,36500%
202715,36500%
202615,36500%
202515,36500%
202415,36500%
202315,36500%
202215,365-38-0.25%
202115,403-58-0.38%
202015,461-163-1.04%
201915,624-144-0.91%
201815,768-142-0.89%
201715,910-242-1.5%
201616,152-33-0.2%
201516,185-31-0.19%
201416,216-156-0.95%
201316,372-118-0.72%
201216,490-59-0.36%
201116,549-40-0.24%
201016,58900%
199016,516-1,592-8.79%
198018,1081,1336.67%
197016,975-278-1.61%
196017,2533592.13%
195016,894-1,350-7.4%
194018,244-354-1.9%
193018,598-654-3.4%
192019,2523461.83%
191018,906-66-0.35%
190018,9721,96111.53%
189017,01110.01%
188017,0102,24215.18%
187014,7683,94836.49%
186010,8205,818116.31%
18505,0021,75554.05%
18403,247-12,118-78.87%
2024 Growth Rate
0% (0)
County Website
De Witt County
County Seat
Sycamore
2020 Population
15,461
Area
398 mi²
Density
39 people/mi²
Growth Since 2020
-0.62% (-96)
Founded
1839

Population by Race

Race
Population
Percentage (of total)
White14,61094.5%
Two or more races5373.47%
Black or African American1601.03%
Other race710.46%
Native American520.34%
Asian310.2%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

De Witt County, Illinois Population by Race

De Witt County, Illinois Population Pyramid 2024

De Witt County, Illinois Median Age

44

Total

43

Male

44.7

Female

De Witt County, Illinois Adults

There are 12,138 adults, (3,097 of whom are seniors) in De Witt County, Illinois.

De Witt County, Illinois Age Dependency

71

Age Dependency Ratio

34.3

Old Age Dependency Ratio

36.8

Child Dependency Ratio

De Witt County, Illinois Sex Ratio

Female7,69449.76%
Male7,76750.24%

De Witt County, Illinois Population by Age

De Witt County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All6,6422.2976.823.2
Married3,2022.9591.48.6
Non Family2,5981.1564.335.7
Female5883.654.945.1
Male2542.6871.728.3

2.97

Average Family Size

2.29

Average Household Size

76.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

De Witt County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade5104.62%
Associates Degree8227.45%
Bachelors Degree1,60714.56%
Graduate Degree7526.81%
High School Graduate4,41740.01%
Less Than 9th Grade2902.63%
Some College2,64123.92%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

De Witt County, Illinois Educational Attainment by Sex (over 25)

De Witt County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White10,4519,7962,307
Hispanic32222121
2+ Races29128632
Black69192
Other Race38269
Native American27200
Asian19199

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 47.37%.

De Witt County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$52,543$52,330$52,727
Graduate Degree$79,948$85,250$78,438
High School Graduate$40,911$50,822$32,321
Less Than 9th Grade$36,600$40,854$19,750
Overall$47,052$52,739$39,088
Some College$48,896$60,548$36,264

$47,052

Average Earnings

$52,739

Average Male

$39,088

Average Female

De Witt County, Illinois Earnings by Educational Attainment

De Witt County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

De Witt County, Illinois Language

97.6% of De Witt County, Illinois residents speak only English, while 2.4% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.11% of the population.

De Witt County, Illinois Language

De Witt County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White14,2411,3959.8%
Hispanic5008817.6%
Multiple527407.59%
Native522242.31%
Asian311238.71%
Black9655.21%

10.1%

Overall Poverty Rate

10.6%

Male Poverty Rate

9.59%

Female Poverty Rate

Poverty in De Witt County, Illinois

The race most likely to be in poverty in De Witt County, Illinois is Native, with 42.31% below the poverty level.

The race least likely to be in poverty in De Witt County, Illinois is Black, with 5.21% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.75%. Among those working part-time, it was 15.11%, and for those that did not work, the poverty rate was 13.71%.

De Witt County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade17.53%
High School11.12%
Some College4.92%
Bachelors or Greater3.98%

De Witt County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed47.27%
Male Unemployed16.04%
Female Employed4.56%
Male Employed4.4%

De Witt County, Illinois Poverty Rate by Employment Status and Sex

De Witt County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$89,912$103,347
Households$64,802$83,717
Married Families$101,035$-999,999,999
Non Families$37,440$51,203

mean

median

Income by Household Type

De Witt County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.9%

Overall Marriage Rate

53.2%

Male Marriage Rate

50.6%

Female Marriage Rate

De Witt County, Illinois Married by Age and Sex

male

female

De Witt County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

De Witt County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

De Witt County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,165

Number of Veterans

1,124

Male Veterans

41

Female Veterans

War
Veterans
Vietnam425
Second Gulf War251
First Gulf War235
Korea45
World War II0

De Witt County, Illinois Veterans by War

count

Age Group
Veterans
35 to 54342
65 to 74309
75+301
55 to 64185
18 to 3428

De Witt County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White1,1499.94%
Hispanic226.51%
2+ Races164.6%

De Witt County, Illinois Veterans by Race

De Witt County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.83%

Veteran Poverty Rate

22.64%

Veteran Disability Rate

De Witt County, Illinois Veterans by Education

LaborForceParticipation

62.2%

Labor Force Participation

59%

Employment Rate

4.8%

Unemployment Rate

De Witt County, Illinois Employment by Age

LaborForceParticipation

De Witt County, Illinois Employment by Race

LaborForceParticipation

De Witt County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

83.55%

Born in De Witt County, Illinois

98.36%

Native Born

1.64%

Foreign Born

0.73%

Non Citizen

0.91%

Naturalized

Place of Birth

98.36% of De Witt County, Illinois residents were born in the United States, with 83.55% having been born in Illinois. 0.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

De Witt County, Illinois Place of Birth

Sources