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COUNTY · 2000 CENSUS

Henry County

Illinois · 51,020 residents · 823.061 sq mi
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The short version

Henry County has roughly average household income, with a median household income of $39,854. Population has held roughly steady since 1990. 16% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $78,600.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 39.1
US median: 35.2
Less educated
16% hold a bachelor's degree
US average: 24%
Less affordable
home values up 50%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
51,020
Unchangedsince 1990
from 51,159 in 1990
1990 – 2025
Population density
62 / sq mi
Unchangedsince 1990
from 62 / sq mi in 1990
US average: 242
Median age
39.1
+9%since 1990
from 35.9 in 1990
US average: 35.2
Population, 1990 – 2024
48K49K50K51K51K1990201020202024Henry County
202449K
1990201020202024
Section 02

Income & economy

Median household income
$39,854
+15%inflation adjusted, since 1990
from $26,198 in 1990
US average: $42,589
1990 – 2024
Per capita income
$18,716
+53%since 1990
from $12,260 in 1990
US average: $21,522
Poverty rate
8.0%
−2.5 ptssince 1990
from 10.5% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$78,600
+50%inflation adjusted, since 1990
from $39,900 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$419
+1%inflation adjusted, since 1990
from $315 in 1990
US average: $602
Owner-occupied
78.7%
+3.6 ptssince 1990
from 75.1% in 1990
21.3% rent
Afford Score
2.0
+29%since 1990
from 1.5 in 1990
1990 – 2024
RELATED:See current rent listings in Henry County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic97.8%(50,033)
Black1.2%(603)
Hispanic / Latino1.1%(573)
Asian0.3%(138)
Diversity Score8%(4,111)
2000
White, non-Hispanic94.9%(48,425)
Black1.1%(569)
Hispanic / Latino2.9%(1,467)
Asian0.2%(127)
Diversity Score10.3%(5,275)
Diversity Score
10
+29%since 1990
from 8 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
15.7%
+3.9 ptssince 1990
from 11.8% in 1990
US average: 24.4%
High school or higher
84.5%
+7.3 ptssince 1990
from 77.2% in 1990
US average: 80.3%
Graduate degree
4.8%
+0.6 ptssince 1990
from 4.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
15.0 min
−32%since 1990
from 22.0 min in 1990
US average: 17.6
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

Montrose County
Pop 44,591
Macoupin County
Pop 43,748
Nez Perce County
Pop 42,905
Habersham County
Pop 50,416
Places similar to Henry County
Head to head

Compare Henry County to nearby counties

HENRY COUNTY VS
Rock Island County
Income$67,159+69%
Home value$150,400+91%
Population141,869+195%
SEE FULL COMPARISON →
HENRY COUNTY VS
Stark County
Income$62,878+58%
Home value$104,500+33%
Population5,319−89%
SEE FULL COMPARISON →
HENRY COUNTY VS
Knox County
Income$57,030+43%
Home value$111,900+42%
Population47,767−1%
SEE FULL COMPARISON →
HENRY COUNTY VS
Whiteside County
Income$67,500+69%
Home value$127,100+62%
Population54,121+13%
SEE FULL COMPARISON →
Frequently asked

How many people live in Henry County, Illinois?

Henry County, Illinois has about 51,020 residents according to the 2000 Census.

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

The typical household in Henry County, Illinois earns about $39,854 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 $78,600, and the typical rent is about $419 a month.

How educated are people in Henry County, Illinois?

About 15.7% 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 8.0% of people in Henry County, Illinois live below the federal poverty line.

Has Henry County, Illinois grown since 1990?

Yes, Henry County, Illinois has shrunk since 1990. The population has lost about 139 residents, a change of about -0 percent over that period.

Keep going

Explore from here

14 census tracts
Census Tract 301Census Tract 302.01Census Tract 302.03Census Tract 303.01Census Tract 308Census Tract 310Census Tract 303.02Census Tract 309Census Tract 302.02Census Tract 306Census Tract 312Census Tract 311Census Tract 304Census Tract 305
16 ZIP codes
ZIP 61443ZIP 61254ZIP 61241ZIP 61273ZIP 61434ZIP 61238ZIP 61235ZIP 61262ZIP 61234ZIP 61490ZIP 61413ZIP 61233ZIP 61274ZIP 61258ZIP 61419ZIP 61468
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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