Douglas County, Illinois Population 2021

Douglas County, Illinois's estimated population is 19,479 with a growth rate of 0.04% in the past year according to the most recent United States census data. Douglas County, Illinois is the 59th largest county in Illinois. The 2010 Population was 19,983 and has seen a growth of -2.52% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202119,47970.04%
202019,47270.04%
201919,46570.04%
201819,458-171-0.87%
201719,629-98-0.50%
201619,727-108-0.54%
201519,835-71-0.36%
201419,906450.23%
201319,861-27-0.14%
201219,888170.09%
201119,871-112-0.56%
201019,9835192.67%
199019,464-310-1.57%
198019,7747774.09%
197018,997-246-1.28%
196019,2432,53715.19%
195016,706-884-5.03%
194017,590-324-1.81%
193017,914-1,690-8.62%
192019,604130.07%
191019,5914942.59%
190019,0971,4288.08%
189017,6691,81611.46%
188015,8532,36917.57%
187013,4846,34488.85%
18607,1400.00%
2021 Growth Rate
0.04%
Founded
1859
County Seat
2010 Population
19,983
Growth Since 2010
-2.52%
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Douglas County, Illinois Population Growth

Population by Race

Race Population Percentage
White18,79295.77%
Two or More Races2451.25%
Some Other Race1760.90%
Black or African American1350.69%
Asian1310.67%
American Indian and Alaska Native1300.66%
Native Hawaiian and Other Pacific Islander140.07%
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Douglas County, Illinois Population by Race

Douglas County, Illinois Population Pyramid $2021

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Douglas County, Illinois Median Age

37.8


Total

37


Male

38.7


Female

Douglas County, Illinois Adults

There are 14,710 adults, (3,445 of whom are seniors) in Douglas County, Illinois.

Douglas County, Illinois Age Dependency

74.2

Age Dependency Ratio

30.6

Old Age Dependency Ratio

43.6

Child Dependency Ratio

Douglas County, Illinois Sex Ratio

Female

9,902

50.46%

Male

9,721

49.54%

Douglas County, Illinois Population by Age

Douglas County, Illinois Renter vs Owner Occupied by Household Type

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Douglas County, Illinois Household Types

Type Owner Renter
Married91.3%8.7%
All74%26%
Male57.7%42.3%
Non Family54.9%45.1%
Female47.9%52.1%

74.0%

Rate of Home Ownership

Douglas County, Illinois Households and Families

Type Count Average Size Owned
All7,6132.5574
Married4,0993.2291.3
Non Family2,5521.2354.9
Female6553.1947.9
Male3073.3657.7

3.14

Average Family Size

2.55

Average Household Size

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Douglas County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,35210.31%
9th to 12th Grade8486.47%
High School Graduate4,37833.39%
Some College2,88522.00%
Associates Degree1,1778.98%
Bachelors Degree1,81213.82%
Graduate Degree6615.04%
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Douglas County, Illinois Educational Attainment by Sex (over 25)

Douglas County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White12,18710,2812,412
Hispanic69742618
Other Race13185
Asian999127
Black57423
2+ Races342613
Native American3111
Islander77

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

The highest rate of bachelors degrees is among 2+ races people with a rate of 38.24%.

Douglas County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$36,818$45,788$27,056
Less Than 9th Grade$35,110$39,094$20,817
High School Graduate$30,750$42,166$20,965
Some College$34,536$45,785$26,862
Bachelors Degree$51,433$59,840$36,650
Graduate Degree$61,189$71,607$46,964

$36,818

Average Earnings

$45,788

Average Male

$27,056

Average Female

Douglas County, Illinois Earnings by Educational Attainment

Douglas County, Illinois Language by Age

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Douglas County, Illinois Language

83.43% of Douglas County, Illinois residents speak only English, while 16.57% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 10.57% of the population.

Douglas County, Illinois Language

Douglas County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White17,4571,6779.61%
Hispanic1,39532523.30%
Multiple2397531.38%
Black1114540.54%
Asian1312317.56%
Other16895.36%
Native11832.54%

10.83%

Overall Poverty Rate

9.82%

Male Poverty Rate

11.82%

Female Poverty Rate

Poverty in Douglas County, Illinois

The race most likely to be in poverty in Douglas County, Illinois is Black, with 40.54% below the poverty level.

The race least likely to be in poverty in Douglas County, Illinois is Native, with 2.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.79%. Among those working part-time, it was 15.40%, and for those that did not work, the poverty rate was 16.23%.

Douglas County, Illinois Poverty

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Name Poverty
High School12.32%
Less Than 9th Grade11.71%
Some College8.38%
Bachelors or Greater2.56%

Douglas County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed38.35%
Female Employed6.74%
Male Unemployed6.63%
Male Employed4.91%

Douglas County, Illinois Poverty Rate by Employment Status and Sex

Douglas County, Illinois Income by Household Type

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Name Median Mean
Households$56,714$71,081
Families$69,019$79,969
Married Families$79,620-
Non Families$34,451$50,642
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Income by Household Type

Douglas County, Illinois Marital Status

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Marriage Rates

54.5%

Overall Marriage Rate

55.1%

Male Marriage Rate

54.0%

Female Marriage Rate

Douglas County, Illinois Married by Age and Sex

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Douglas 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.

Douglas County, Illinois Marital Status by Race

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Douglas County, Illinois Marital Status

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1,032

Number of Veterans

947

Male Veterans

85

Female Veterans

War Veterans
Vietnam400
First Gulf War192
Second Gulf War168
Korea163
World War II29

Douglas County, Illinois Veterans by War

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Age Group Veterans
75+310
65 to 74309
35 to 54261
55 to 64110
18 to 3442

Douglas County, Illinois Veterans by Age

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Name Veterans % of Total
White1,0177.15%
Hispanic181.95%
Asian88.08%
2+ Races67.69%
Native American11.28%

Douglas County, Illinois Veterans by Race

Douglas County, Illinois Veterans by Education

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3.89%

Veteran Poverty Rate

25.56%

Veteran Disability Rate

Douglas County, Illinois Veterans by Education

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64.9%

Labor Force Participation

62.3%

Employment Rate

3.9%

Unemployment Rate

Douglas County, Illinois Employment by Age

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Douglas County, Illinois Employment by Race

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Douglas 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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80.28%

Born in Douglas County, Illinois

96.39%

Native Born

3.61%

Foreign Born

1.90%

Non Citizen

1.71%

Naturalized

Place of Birth

96.39% of Douglas County, Illinois residents were born in the United States, with 80.28% having been born in Illinois. 1.90% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Douglas 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