COUNTY · 1990 CENSUS

Adams County

Illinois · 66,090 residents · 855.151 sq mi

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The short version

Adams County has lower-than-average household income, with a median household income of $23,317. Population has declined 3% since 2000. Median home value is $43,500. Households here earn about 28% less than the Illinois median.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 35.8

US median: 33.0

Less educated

14% hold a bachelor's degree

US average: 20%

More affordable

home values down 22%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

66,090

−3%vs 2000

vs 68,277 in 2000

1990 – 2025

Population density

77 / sq mi

−3%vs 2000

vs 80 / sq mi in 2000

US average: 221

Median age

35.8

−7%vs 2000

vs 38.3 in 2000

US average: 33.0

Population, 1990 – 2024

202465K

Section 02

Income & economy

Median household income

$23,317

−12%inflation adjusted, since 2000

vs $34,784 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,601

−35%vs 2000

vs $17,894 in 2000

US average: $14,340

Poverty rate

13.2%

+3.1 ptsvs 2000

vs 10.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$43,500

−22%inflation adjusted, since 2000

vs $73,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$275

−10%inflation adjusted, since 2000

vs $402 in 2000

US average: $450

Owner-occupied

71.1%

−2.6 ptsvs 2000

vs 73.7% in 2000

28.9% rent

Afford Score

1.9

−11%vs 2000

vs 2.1 in 2000

1990 – 2024

RELATED:See current rent listings in Adams County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic94.6%(64,611)

Black3%(2,077)

Hispanic / Latino0.8%(567)

Asian0.4%(269)

Other0%

Diversity Score10.4%(7,117)

1990

White, non-Hispanic96.8%(63,982)

Black2.5%(1,684)

Hispanic / Latino0.2%(154)

Asian0.3%(229)

Other0.3%(195)

Diversity Score8.3%(5,490)

Diversity Score

−20%vs 2000

vs 10 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

13.7%

−3.9 ptsvs 2000

vs 17.6% in 2000

US average: 20.3%

High school or higher

75.1%

−8.6 ptsvs 2000

vs 83.7% in 2000

US average: 75.2%

Graduate degree

4.4%

−1.6 ptsvs 2000

vs 5.9% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

16.9 min

+52%vs 2000

vs 11.1 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Adams County

Head to head

Compare Adams County to nearby counties

ADAMS COUNTY VS

Brown County

Income$67,917+191%

Home value$150,300+246%

Population6,401−90%

SEE FULL COMPARISON →

ADAMS COUNTY VS

Marion County

Income$62,903+170%

Home value$162,000+272%

Population28,525−56%

SEE FULL COMPARISON →

ADAMS COUNTY VS

Hancock County

Income$65,865+182%

Home value$113,800+162%

Population16,803−74%

SEE FULL COMPARISON →

ADAMS COUNTY VS

Lewis County

Income$59,934+157%

Home value$130,200+199%

Population9,879−85%

SEE FULL COMPARISON →

Frequently asked

How many people live in Adams County, Illinois?

Adams County, Illinois has about 66,090 residents according to the 1990 Census.

What is the median household income in Adams County, Illinois?

The typical household in Adams County, Illinois earns about $23,317 a year. Half of households make more than that, and half make less.

Is Adams County, Illinois expensive?

In Adams County, Illinois, the median home is worth about $43,500, and the typical rent is about $275 a month.

How educated are people in Adams County, Illinois?

About 13.7% of adults age 25 and over in Adams County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Adams County, Illinois?

About 13.2% of people in Adams County, Illinois live below the federal poverty line.

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

Adams County

Population & growth

Income & economy

Housing

Race & ethnicity

Education

Commute & transportation

Work & employment

People & community

Places similar to Adams County

Compare Adams County to nearby counties

How many people live in Adams County, Illinois?

What is the median household income in Adams County, Illinois?

Is Adams County, Illinois expensive?

How educated are people in Adams County, Illinois?

What is the poverty rate in Adams County, Illinois?

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