COUNTY · 1990 CENSUS

Henry County

Illinois · 51,159 residents · 823.061 sq mi

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The short version

Henry County has lower-than-average household income, with a median household income of $26,198. Population has held roughly steady since 2000. 12% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $39,900.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 35.9

US median: 33.0

Less educated

12% hold a bachelor's degree

US average: 20%

More affordable

home values down 33%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

51,159

Unchangedvs 2000

vs 51,020 in 2000

1990 – 2025

Population density

62 / sq mi

Unchangedvs 2000

vs 62 / sq mi in 2000

US average: 221

Median age

35.9

−8%vs 2000

vs 39.1 in 2000

US average: 33.0

Population, 1990 – 2024

202449K

Section 02

Income & economy

Median household income

$26,198

−13%inflation adjusted, since 2000

vs $39,854 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,260

−34%vs 2000

vs $18,716 in 2000

US average: $14,340

Poverty rate

10.5%

+2.5 ptsvs 2000

vs 8.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$39,900

−33%inflation adjusted, since 2000

vs $78,600 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$315

−1%inflation adjusted, since 2000

vs $419 in 2000

US average: $450

Owner-occupied

75.1%

−3.6 ptsvs 2000

vs 78.7% in 2000

24.9% rent

Afford Score

1.5

−23%vs 2000

vs 2.0 in 2000

1990 – 2024

RELATED:See current rent listings in Henry County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic94.9%(48,425)

Black1.1%(569)

Hispanic / Latino2.9%(1,467)

Asian0.2%(127)

Other0%

Diversity Score10.3%(5,275)

1990

White, non-Hispanic97.8%(50,033)

Black1.2%(603)

Hispanic / Latino1.1%(573)

Asian0.3%(138)

Other0.8%(385)

Diversity Score8%(4,111)

Diversity Score

−22%vs 2000

vs 10 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

11.8%

−3.9 ptsvs 2000

vs 15.7% in 2000

US average: 20.3%

High school or higher

77.2%

−7.3 ptsvs 2000

vs 84.5% in 2000

US average: 75.2%

Graduate degree

4.2%

−0.6 ptsvs 2000

vs 4.8% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

22.0 min

+47%vs 2000

vs 15.0 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 Henry County

Head to head

Compare Henry County to nearby counties

HENRY COUNTY VS

Rock Island County

Income$67,159+156%

Home value$150,400+277%

Population141,869+195%

SEE FULL COMPARISON →

HENRY COUNTY VS

Stark County

Income$62,878+140%

Home value$104,500+162%

Population5,319−89%

SEE FULL COMPARISON →

HENRY COUNTY VS

Knox County

Income$57,030+118%

Home value$111,900+180%

Population47,767−1%

SEE FULL COMPARISON →

HENRY COUNTY VS

Whiteside County

Income$67,500+158%

Home value$127,100+219%

Population54,121+13%

SEE FULL COMPARISON →

Frequently asked

How many people live in Henry County, Illinois?

Henry County, Illinois has about 51,159 residents according to the 1990 Census.

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

The typical household in Henry County, Illinois earns about $26,198 a year. Half of households make more than that, and half make less.

Is Henry County, Illinois expensive?

In Henry County, Illinois, the median home is worth about $39,900, and the typical rent is about $315 a month.

How educated are people in Henry County, Illinois?

About 11.8% of adults age 25 and over in Henry County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Henry County, Illinois?

About 10.5% of people in Henry County, Illinois live below the federal poverty line.

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

How we source and harmonize this data →