Adams County, Illinois Population 2021

Adams County, Illinois's estimated population is 65,059 with a growth rate of -0.29% in the past year according to the most recent United States census data. Adams County, Illinois is the 24th largest county in Illinois. The 2010 Population was 67,160 and has seen a growth of -3.13% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202165,059-188-0.29%
202065,247-188-0.29%
201965,435-188-0.29%
201865,623-434-0.66%
201766,057-418-0.63%
201666,475-360-0.54%
201566,835-131-0.20%
201466,966-33-0.05%
201366,999-140-0.21%
201267,139-72-0.11%
201167,211510.08%
201067,1601,0701.62%
199066,090-5,532-7.72%
198071,6227611.07%
197070,8612,3943.50%
196068,4673,7775.84%
195064,690-539-0.83%
194065,2292,4453.89%
193062,7845960.96%
192062,188-2,400-3.72%
191064,588-2,470-3.68%
190067,0585,1708.35%
189061,8882,7534.66%
188059,1352,7734.92%
187056,36215,03936.39%
186041,32314,81555.89%
185026,50812,03283.12%
184014,47612,290562.21%
18302,1860.00%
2021 Growth Rate
-0.29%
County Website
Founded
1825
County Seat
2010 Population
67,160
Growth Since 2010
-3.13%
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Adams County, Illinois Population Growth

Population by Race

Race Population Percentage
White61,40692.92%
Black or African American2,7314.13%
Two or More Races9971.51%
Asian5270.80%
American Indian and Alaska Native2970.45%
Some Other Race1130.17%
Native Hawaiian and Other Pacific Islander140.02%
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Adams County, Illinois Population by Race

Adams County, Illinois Population Pyramid $2021

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Adams County, Illinois Median Age

41.5


Total

39.9


Male

43.1


Female

Adams County, Illinois Adults

There are 51,164 adults, (13,186 of whom are seniors) in Adams County, Illinois.

Adams County, Illinois Age Dependency

74

Age Dependency Ratio

34.7

Old Age Dependency Ratio

39.3

Child Dependency Ratio

Adams County, Illinois Sex Ratio

Female

33,809

51.16%

Male

32,276

48.84%

Adams County, Illinois Population by Age

Adams County, Illinois Renter vs Owner Occupied by Household Type

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Adams County, Illinois Household Types

Type Owner Renter
Married89.1%10.9%
All71.8%28.2%
Male59.1%40.9%
Female55.4%44.6%
Non Family52.8%47.2%

71.8%

Rate of Home Ownership

Adams County, Illinois Households and Families

Type Count Average Size Owned
All27,1122.3871.8
Married13,8673.0189.1
Non Family9,5061.252.8
Female2,8002.9855.4
Male9393.3859.1

2.94

Average Family Size

2.38

Average Household Size

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Adams County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade9342.02%
9th to 12th Grade2,5175.46%
High School Graduate16,33535.41%
Some College10,91123.66%
Associates Degree3,9188.49%
Bachelors Degree7,33415.90%
Graduate Degree4,1769.05%
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Adams County, Illinois Educational Attainment by Sex (over 25)

Adams County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White43,13540,24310,938
Black1,6921,266118
Hispanic544497198
Asian327327189
2+ Races25121091
Native American243194
Other Race433519
Islander1313

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

The highest rate of bachelors degrees is among asian people with a rate of 57.80%.

Adams County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$37,810$42,706$30,924
Less Than 9th Grade$26,042$30,203$22,865
High School Graduate$32,607$40,482$25,774
Some College$33,641$42,061$26,039
Bachelors Degree$42,989$45,985$40,378
Graduate Degree$55,778$69,615$48,969

$37,810

Average Earnings

$42,706

Average Male

$30,924

Average Female

Adams County, Illinois Earnings by Educational Attainment

Adams County, Illinois Language by Age

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Adams County, Illinois Language

97.93% of Adams County, Illinois residents speak only English, while 2.07% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.89% of the population.

Adams County, Illinois Language

Adams County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White59,3396,57411.08%
Black2,52193837.21%
Multiple97633634.43%
Hispanic96912012.38%
Asian517468.90%
Native2974113.80%
Other103109.71%

12.45%

Overall Poverty Rate

11.39%

Male Poverty Rate

13.47%

Female Poverty Rate

Poverty in Adams County, Illinois

The race most likely to be in poverty in Adams County, Illinois is Black, with 37.21% below the poverty level.

The race least likely to be in poverty in Adams County, Illinois is Asian, with 8.90% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.66%. Among those working part-time, it was 13.37%, and for those that did not work, the poverty rate was 20.73%.

Adams County, Illinois Poverty

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Name Poverty
Less Than 9th Grade26.83%
High School10.95%
Some College9.58%
Bachelors or Greater3.40%

Adams County, Illinois Poverty Rate by Education

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Rate Poverty
Male Unemployed42.38%
Female Unemployed33.90%
Female Employed7.34%
Male Employed3.55%

Adams County, Illinois Poverty Rate by Employment Status and Sex

Adams County, Illinois Income by Household Type

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Name Median Mean
Households$52,993$72,053
Families$68,824$85,102
Married Families$78,823$97,198
Non Families$31,764$45,068
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Income by Household Type

Adams County, Illinois Marital Status

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Marriage Rates

53.9%

Overall Marriage Rate

57.1%

Male Marriage Rate

50.9%

Female Marriage Rate

Adams County, Illinois Married by Age and Sex

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Adams 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.

Adams County, Illinois Marital Status by Race

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Adams County, Illinois Marital Status

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4,516

Number of Veterans

4,186

Male Veterans

330

Female Veterans

War Veterans
Vietnam1,491
First Gulf War927
Second Gulf War802
Korea421
World War II142

Adams County, Illinois Veterans by War

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Age Group Veterans
65 to 741,231
75+1,206
35 to 541,110
55 to 64563
18 to 34406

Adams County, Illinois Veterans by Age

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Name Veterans % of Total
White4,4439.22%
Hispanic446.73%
Black392.06%
Native American166.58%
Islander1076.92%
Asian82.23%

Adams County, Illinois Veterans by Race

Adams County, Illinois Veterans by Education

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6.48%

Veteran Poverty Rate

25.81%

Veteran Disability Rate

Adams County, Illinois Veterans by Education

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64.7%

Labor Force Participation

61.8%

Employment Rate

4.4%

Unemployment Rate

Adams County, Illinois Employment by Age

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Adams County, Illinois Employment by Race

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Adams 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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77.46%

Born in Adams County, Illinois

98.61%

Native Born

1.39%

Foreign Born

0.42%

Non Citizen

0.97%

Naturalized

Place of Birth

98.61% of Adams County, Illinois residents were born in the United States, with 77.46% having been born in Illinois. 0.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Adams 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