Adams County, Illinois Population 2020

Adams County, Illinois's estimated population is 66,094 with a growth rate of -0.64% in the past year according to the most recent United States census data. Adams County, Illinois is the 23rd largest county in Illinois.

Year Population Growth Growth Rate
201865,691-403-0.61%
201766,094-427-0.64%
201666,521-336-0.50%
201566,857-116-0.17%
201466,973-28-0.04%
201367,001-134-0.20%
201267,135-66-0.10%
201167,201410.06%
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%

How Many People Live in Adams County, Illinois?

66,094

Population by Race

Race Population Percentage
White61,81993.06%
Black or African American2,7124.08%
Two or More Races9271.40%
Asian5400.81%
American Indian and Alaska Native2780.42%
Some Other Race1090.16%
Native Hawaiian and Other Pacific Islander420.06%

Adams County, Illinois Population Pyramid 2020

Adams County, Illinois Median Age

41.3


Total

39.7


Male

43.1


Female

Adams County, Illinois Adults

There are 51,394 adults, (12,969 of whom are seniors) in Adams County, Illinois.

Adams County, Illinois Age Dependency

72.9

Age Dependency Ratio

33.8

Old Age Dependency Ratio

39.1

Child Dependency Ratio

Adams County, Illinois Sex Ratio

Female

33,946

51.10%

Male

32,481

48.90%

Adams County, Illinois Households and Families

Adams County, Illinois Renter vs Owner Occupied by Household Type

Adams County, Illinois Household Types

Type Owner Renter
Married88.8%11.2%
All71.7%28.3%
Male56.6%43.4%
Female54.9%45.1%
Non Family53.1%46.9%

71.7%

Rate of Home Ownership

Type Count Average Size Owned
All27,3002.3871.7
Married13,997388.8
Non Family9,6541.253.1
Female2,7033.0454.9
Male9463.3456.6

2.95

Average Family Size

2.38

Average Household Size

5.8%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Adams County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade9292.01%
9th to 12th Grade2,4885.39%
High School Graduate15,92334.48%
Some College11,51724.94%
Associates Degree3,8698.38%
Bachelors Degree7,18915.57%
Graduate Degree4,2599.22%

Adams County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White43,28340,39010,953
Black1,6071,22997
Hispanic498435159
Asian345345169
Multiple Races24120683
Native American217164
Islander4040
Other Race403218

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 48.99%.

Name Average Male Female
Overall$36,928$42,054$29,774
Less Than High School$22,938$30,425$16,589
High School Grad$32,310$39,861$23,842
Some College$33,521$41,741$26,368
Bachelors Degree$41,980$47,352$38,699
Graduate Degree$53,190$67,628$47,610

$36,928

Average Earnings

$42,054

Average Male

$29,774

Average Female

Adams County, Illinois Language

Adams County, Illinois Language by Age

Adams County, Illinois Language

98.04% of Adams County, Illinois residents speak only English, while 1.96% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.74% of the population.

Adams County, Illinois Poverty

Adams County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White59,7466,67011.16%
Black2,49370328.20%
Multiple91125127.55%
Hispanic93615316.35%
Asian5396011.13%
Native2785720.50%
Other1051312.38%

12.14%

Overall Poverty Rate

10.68%

Male Poverty Rate

13.55%

Female Poverty Rate

Poverty in Adams County, Illinois

The race most likely to be in poverty in Adams County, Illinois is Black, with 28.20% below the poverty level.

The race least likely to be in poverty in Adams County, Illinois is Asian, with 11.13% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.29%. Among those working part-time, it was 14.92%, and for those that did not work, the poverty rate was 20.92%.

Name Poverty
Less Than High School24.41%
High School11.16%
Some College10.01%
Bachelors or Greater3.18%
Name Poverty
Male Unemployed36.00%
Female Unemployed34.81%
Female Employed7.15%
Male Employed3.63%

Adams County, Illinois Income

Adams County, Illinois Income by Household Type

Name Median Mean
Households$51,398$69,598
Families$66,128$83,520
Married Families$76,014$94,705
Non Families$30,242$42,017

Adams County, Illinois Marital Status

Adams County, Illinois Marital Status

Marriage Rates

54.0%

Overall Marriage Rate

57.4%

Male Marriage Rate

50.7%

Female Marriage Rate

Adams County, Illinois Married by Age and Sex

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

Adams County, Illinois Veterans

4,711

Number of Veterans

4,371

Male Veterans

340

Female Veterans

War Veterans
Vietnam1,544
First Gulf War844
Second Gulf War781
Korea501
World War II185

Adams County, Illinois Veterans by Race

Name Veterans % of Total
White4,6089.50%
Black713.85%
Hispanic538.40%
Indian2310.60%
Asian92.33%

Adams County, Illinois Veterans by Education

6.83%

Veteran Poverty Rate

24.74%

Veteran Disability Rate

Adams County, Illinois Employment Status

64.3%

Labor Force Participation

61.2%

Employment Rate

4.7%

Unemployment Rate

Adams County, Illinois Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

77.44%

Born in Illinois

98.45%

Native Born

1.55%

Foreign Born

0.48%

Non Citizen

Place of Birth

98.45% of Adams County, Illinois residents were born in the United States, with 77.44% having been born in Illinois. 0.48% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Population of Cities in Adams County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Quincy4063640531-105-0.26%
Camp Point11321114-18-1.59%
Payson10261004-22-2.14%
Mendon953942-11-1.15%
Clayton709739304.23%
Golden644635-9-1.40%
Ursa626618-8-1.28%
Liberty516510-6-1.16%
Loraine313309-4-1.28%
Plainville264261-3-1.14%
Lima161159-2-1.24%
Coatsburg147145-2-1.36%
Columbus9998-1-1.01%
La Prairie4746-1-2.13%
  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