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

36 Rows

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)
White14,79095.2%
Two or more races4322.78%
Black or African American1420.91%
Other race920.59%
Native American490.32%
Asian300.19%
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

42.9

Male

44.8

Female

De Witt County, Illinois Adults

There are 12,257 adults, (3,039 of whom are seniors) in De Witt County, Illinois.

De Witt County, Illinois Age Dependency

68.5

Age Dependency Ratio

33

Old Age Dependency Ratio

35.6

Child Dependency Ratio

De Witt County, Illinois Sex Ratio

Female7,71349.65%
Male7,82250.35%

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
All6,6442.376.423.6
Married3,233391.68.4
Non Family2,6021.1863.536.5
Female5613.3552.247.8
Male2482.676931

2.96

Average Family Size

2.3

Average Household Size

76.4%

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 Grade4744.28%
Associates Degree8647.8%
Bachelors Degree1,58614.31%
Graduate Degree7957.18%
High School Graduate4,57941.33%
Less Than 9th Grade1721.55%
Some College2,61023.56%

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
White10,60310,0952,368
Hispanic2681816
2+ Races1981893
Black72192
Other Race36256
Native American30240
Asian21212

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

The highest rate of bachelors degrees is among white people with a rate of 22.33%.

De Witt County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$52,786$65,500$43,482
Graduate Degree$78,097$76,000$78,333
High School Graduate$39,526$44,583$24,552
Less Than 9th Grade$30,500$38,750$19,167
Overall$45,286$51,236$36,261
Some College$45,733$53,906$34,467

$45,286

Average Earnings

$51,236

Average Male

$36,261

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

97.81% of De Witt County, Illinois residents speak only English, while 2.19% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.84% of the population.

De Witt County, Illinois Language

De Witt County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White14,4561,44610%
Hispanic4436514.67%
Multiple432306.94%
Native491632.65%
Asian30930%
Black77810.39%

10.19%

Overall Poverty Rate

9.1%

Male Poverty Rate

11.3%

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 32.65% below the poverty level.

The race least likely to be in poverty in De Witt County, Illinois is Multiple, with 6.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.42%. Among those working part-time, it was 14.87%, and for those that did not work, the poverty rate was 13%.

De Witt County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade17.37%
High School10.81%
Some College5.17%
Bachelors or Greater4.16%

De Witt County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed43.01%
Male Unemployed14.4%
Female Employed6.16%
Male Employed4.79%

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$86,064$97,958
Households$61,823$80,318
Married Families$95,791$-999,999,999
Non Families$36,912$51,275

mean

median

Income by Household Type

De Witt County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.0%

Overall Marriage Rate

54.0%

Male Marriage Rate

52.0%

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

1,082

Number of Veterans

1,036

Male Veterans

46

Female Veterans

War
Veterans
Vietnam386
First Gulf War273
Second Gulf War221
Korea46
World War II4

De Witt County, Illinois Veterans by War

count

Age Group
Veterans
65 to 74321
35 to 54320
75+253
55 to 64149
18 to 3439

De Witt County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White1,0760.09159005788219271
2+ Races60.022813688212927757
Hispanic60.02027027027027027

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

3.65%

Veteran Poverty Rate

22.54%

Veteran Disability Rate

De Witt County, Illinois Veterans by Education

LaborForceParticipation

63.3%

Labor Force Participation

59.7%

Employment Rate

5.4%

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

83.3%

Born in De Witt County, Illinois

98.34%

Native Born

1.66%

Foreign Born

0.96%

Non Citizen

0.7%

Naturalized

Place of Birth

98.34% of De Witt County, Illinois residents were born in the United States, with 83.3% having been born in Illinois. 0.96% 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