De Witt County, Illinois Population 2021

De Witt County, Illinois's estimated population is 15,326 with a growth rate of -1.01% in the past year according to the most recent United States census data. De Witt County, Illinois is the 69th largest county in Illinois. The 2010 Population was 16,590 and has seen a growth of -7.62% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202115,326-156-1.01%
202015,482-156-1.00%
201915,638-156-0.99%
201815,794-112-0.70%
201715,906-231-1.43%
201616,137-47-0.29%
201516,184-33-0.20%
201416,217-156-0.95%
201316,373-118-0.72%
201216,491-57-0.34%
201116,548-42-0.25%
201016,590740.45%
199016,516-1,592-8.79%
198018,1081,1336.67%
197016,975-278-1.61%
196017,2533592.13%
195016,894-1,350-7.40%
194018,244-354-1.90%
193018,598-654-3.40%
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%
18403,2470.00%
2021 Growth Rate
-1.01%
County Website
Founded
1839
County Seat
2010 Population
16,590
Growth Since 2010
-7.62%
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De Witt County, Illinois Population Growth

Population by Race

Race Population Percentage
White15,30596.06%
Two or More Races3121.96%
Some Other Race2071.30%
Black or African American850.53%
Native Hawaiian and Other Pacific Islander120.08%
American Indian and Alaska Native70.04%
Asian40.03%
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De Witt County, Illinois Population by Race

De Witt County, Illinois Population Pyramid $2021

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De Witt County, Illinois Median Age

43.6


Total

42.5


Male

44.4


Female

De Witt County, Illinois Adults

There are 12,489 adults, (2,990 of whom are seniors) in De Witt County, Illinois.

De Witt County, Illinois Age Dependency

67.7

Age Dependency Ratio

31.5

Old Age Dependency Ratio

36.2

Child Dependency Ratio

De Witt County, Illinois Sex Ratio

Female

7,985

50.12%

Male

7,947

49.88%

De Witt County, Illinois Population by Age

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

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De Witt County, Illinois Household Types

Type Owner Renter
Married88.2%11.8%
All78.7%21.3%
Male74.5%25.5%
Non Family69.1%30.9%
Female60.2%39.8%

78.7%

Rate of Home Ownership

De Witt County, Illinois Households and Families

Type Count Average Size Owned
All6,6942.3478.7
Married3,570388.2
Non Family2,3491.169.1
Female5402.9960.2
Male2353.1774.5

2.94

Average Family Size

2.34

Average Household Size

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De Witt County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2552.24%
9th to 12th Grade7106.24%
High School Graduate4,29737.76%
Some College2,74624.13%
Associates Degree9488.33%
Bachelors Degree1,82216.01%
Graduate Degree6035.30%
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De Witt County, Illinois Educational Attainment by Sex (over 25)

De Witt County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White10,89610,1112,381
Hispanic25812514
2+ Races15814017
Other Race1269514
Black50211
Native American774
Islander665
Asian443

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 83.33%.

De Witt County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$38,985$45,159$29,760
Less Than 9th Grade$21,768$27,763$17,778
High School Graduate$32,145$43,165$24,383
Some College$38,363$44,505$27,056
Bachelors Degree$49,223$71,750$42,111
Graduate Degree$58,611$51,071$59,722

$38,985

Average Earnings

$45,159

Average Male

$29,760

Average Female

De Witt County, Illinois Earnings by Educational Attainment

De Witt County, Illinois Language by Age

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De Witt County, Illinois Language

96.62% of De Witt County, Illinois residents speak only English, while 3.38% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.91% of the population.

De Witt County, Illinois Language

De Witt County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White14,8811,56110.49%
Hispanic42012730.24%
Multiple3127624.36%
Black8337.50%
Asian4125.00%

11.30%

Overall Poverty Rate

10.49%

Male Poverty Rate

12.11%

Female Poverty Rate

Poverty in De Witt County, Illinois

The race most likely to be in poverty in De Witt County, Illinois is Black, with 37.50% below the poverty level.

The race least likely to be in poverty in De Witt County, Illinois is White, with 10.49% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.57%. Among those working part-time, it was 14.19%, and for those that did not work, the poverty rate was 14.61%.

De Witt County, Illinois Poverty

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Name Poverty
Less Than 9th Grade20.40%
Some College9.16%
High School6.55%
Bachelors or Greater0.70%

De Witt County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed45.21%
Male Unemployed20.24%
Female Employed6.51%
Male Employed5.83%

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

De Witt County, Illinois Income by Household Type

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Name Median Mean
Households$55,587$71,098
Families$69,383$84,059
Married Families$76,637-
Non Families$32,716$45,305
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Income by Household Type

De Witt County, Illinois Marital Status

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Marriage Rates

56.4%

Overall Marriage Rate

56.5%

Male Marriage Rate

56.3%

Female Marriage Rate

De Witt County, Illinois Married by Age and Sex

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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 45-54.

De Witt County, Illinois Marital Status by Race

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De Witt County, Illinois Marital Status

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1,099

Number of Veterans

1,024

Male Veterans

75

Female Veterans

War Veterans
Vietnam411
First Gulf War258
Second Gulf War147
Korea90
World War II29

De Witt County, Illinois Veterans by War

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Age Group Veterans
65 to 74314
35 to 54300
75+232
55 to 64216
18 to 3437

De Witt County, Illinois Veterans by Age

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Name Veterans % of Total
White1,0698.86%
2+ Races3016.67%

De Witt County, Illinois Veterans by Race

De Witt County, Illinois Veterans by Education

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3.42%

Veteran Poverty Rate

24.65%

Veteran Disability Rate

De Witt County, Illinois Veterans by Education

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64.5%

Labor Force Participation

61.2%

Employment Rate

4.8%

Unemployment Rate

De Witt County, Illinois Employment by Age

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De Witt County, Illinois Employment by Race

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De Witt County, Illinois Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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84.98%

Born in De Witt County, Illinois

98.52%

Native Born

1.48%

Foreign Born

1.06%

Non Citizen

0.41%

Naturalized

Place of Birth

98.52% of De Witt County, Illinois residents were born in the United States, with 84.98% having been born in Illinois. 1.06% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources