Adams County, Illinois

Total Population: 65,166

County Seat: Quincy

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Median Home Value

$155,900

Owner-occupied units

Median Household Income

$64,962

Across all households

Median Age

41.1 yrs

Across all residents

Bachelor's Degree+

27.0%

Adults 25 and older

Nearby Counties

Demographics

14 fields

Racial & Ethnic Composition

White (Non-Hispanic)90.3%
Black (Non-Hispanic)3.5%
Two or More Races3.2%
Hispanic or Latino2.0%
Asian (Non-Hispanic)0.7%
Other Race0.2%

Under 18 Years

22.7%

65 Years and Over

20.1%

Male

49.0%

Female

51.0%

U.S. Citizens (18+)

99.4%

No Health Insurance

4.8%

Education

3 fields

High School Graduate or Higher (25+)

93.5%

Bachelor's Degree or Higher (25+)

27.0%

Enrolled in College (18+)

5.9%

Economics

6 fields

Median Household Income

$64,962

Mean Household Income

$83,547

Per Capita Income

$36,317

Unemployment Rate (16+)

3.6%

In Labor Force (19–64)

83.0%

SNAP / Food Stamps

11.9%

Housing & Households

13 fields

Median Home Value

$155,900

Median Rent

$826/mo

Total Housing Units

30,283

Owner-Occupied

72.5%

Renter-Occupied

27.5%

Vacancy Rate

8.3%

Married Couple Households

45.1%

Cohabiting Couple Households

7.7%

Male Householder, No Partner

19.9%

Female Householder, No Partner

27.3%

Average Household Size

2.29

Broadband Internet Access

84.3%

Housing Built Since 2010

5.0%

Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 17001.