Henry County, Illinois Population 2024

48,300

Henry County, Illinois's estimated 2024 population is 48,300 with a growth rate of -0.31% in the past year according to the most recent United States census data. Henry County, Illinois is the 29th largest county in Illinois. The 2010 population was 50,459 and has seen a growth of -4.28% since that time.

Note: data after 2022 is projected based on recent change

37 Rows

Year
Population
Growth
Change
202947,560-148-0.31%
202847,708-148-0.31%
202747,856-148-0.31%
202648,004-148-0.31%
202548,152-148-0.31%
202448,300-148-0.31%
202348,448-148-0.3%
202248,596-315-0.64%
202148,911-256-0.52%
202049,1672340.48%
201948,933-149-0.3%
201849,082-140-0.28%
201749,222-289-0.58%
201649,511-143-0.29%
201549,654-187-0.38%
201449,841-91-0.18%
201349,932-331-0.66%
201250,263-30-0.06%
201150,293-166-0.33%
201050,45900%
199051,159-6,809-11.75%
198057,9684,7518.93%
197053,2173,9007.91%
196049,3172,8256.08%
195046,4922,6946.15%
194043,798-53-0.12%
193043,851-1,311-2.9%
192045,1623,4268.21%
191041,7361,6874.21%
190040,0496,71120.13%
189033,338-3,259-8.91%
188036,5971,0913.07%
187035,50614,84671.86%
186020,66016,853442.68%
18503,8072,547202.14%
18401,2601,2192973.17%
183041-47,519-99.91%
2024 Growth Rate
-0.31% (-148)
County Website
Henry County
County Seat
Cambridge
2020 Population
49,167
Area
823 mi²
Density
59 people/mi²
Growth Since 2020
-1.76% (-867)
Founded
January 13, 1825

Population by Race

Race
Population
Percentage (of total)
White44,29190.1%
Two or more races2,2254.53%
Other race1,3082.66%
Black or African American1,0792.2%
Asian2290.47%
Native Hawaiian or Pacific Islander140.03%
Native American110.02%

White

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Native American

Henry County, Illinois Population by Race

Henry County, Illinois Population Pyramid 2024

Henry County, Illinois Median Age

43.5

Total

42.2

Male

44.3

Female

Henry County, Illinois Adults

There are 38,367 adults, (10,311 of whom are seniors) in Henry County, Illinois.

Henry County, Illinois Age Dependency

75.2

Age Dependency Ratio

36.8

Old Age Dependency Ratio

38.5

Child Dependency Ratio

Henry County, Illinois Sex Ratio

Female24,62750.1%
Male24,53049.9%

Henry County, Illinois Population by Age

Henry County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All20,1872.479.820.2
Married10,3222.9593.26.8
Non Family6,9131.1569.230.8
Female1,9633.4748.951.1
Male9893.375.224.8

2.96

Average Family Size

2.4

Average Household Size

79.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Henry County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,8405.29%
Associates Degree4,12611.85%
Bachelors Degree5,76716.57%
Graduate Degree2,8198.1%
High School Graduate11,88934.15%
Less Than 9th Grade7872.26%
Some College7,58621.79%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Henry County, Illinois Educational Attainment by Sex (over 25)

Henry County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White31,78729,7937,854
Hispanic1,5771,217426
2+ Races1,1261,003346
Other Race781504182
Black64450230
Asian13210562
Native American11110

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 46.97%.

Henry County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$59,897$80,766$48,814
Graduate Degree$80,880$94,837$75,709
High School Graduate$38,363$48,167$27,517
Less Than 9th Grade$27,500$34,375$25,735
Overall$47,040$57,456$38,544
Some College$45,897$57,731$36,570

$47,040

Average Earnings

$57,456

Average Male

$38,544

Average Female

Henry County, Illinois Earnings by Educational Attainment

Henry County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Henry County, Illinois Language

96.25% of Henry County, Illinois residents speak only English, while 3.75% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.99% of the population.

Henry County, Illinois Language

Henry County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White42,9513,6168.42%
Hispanic3,00145915.29%
Other1,30126920.68%
Multiple2,1892059.37%
Black83014417.35%
Asian229104.37%

9.24%

Overall Poverty Rate

8.27%

Male Poverty Rate

10.2%

Female Poverty Rate

Poverty in Henry County, Illinois

The race most likely to be in poverty in Henry County, Illinois is Other, with 20.68% below the poverty level.

The race least likely to be in poverty in Henry County, Illinois is Asian, with 4.37% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.69%. Among those working part-time, it was 8.25%, and for those that did not work, the poverty rate was 14.93%.

Henry County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade25.61%
High School11.06%
Some College5.91%
Bachelors or Greater2.08%

Henry County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed22.56%
Male Unemployed11.05%
Female Employed4.98%
Male Employed2.65%

Henry County, Illinois Poverty Rate by Employment Status and Sex

Henry County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$86,547$106,921
Households$66,313$88,220
Married Families$101,271$-999,999,999
Non Families$38,317$47,631

mean

median

Income by Household Type

Henry County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.9%

Overall Marriage Rate

52.4%

Male Marriage Rate

53.5%

Female Marriage Rate

Henry County, Illinois Married by Age and Sex

male

female

Henry County, Illinois Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Henry County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Henry County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,219

Number of Veterans

3,000

Male Veterans

219

Female Veterans

War
Veterans
Vietnam1,253
Second Gulf War775
First Gulf War674
Korea99
World War II49

Henry County, Illinois Veterans by War

count

Age Group
Veterans
65 to 74838
35 to 54810
75+704
55 to 64545
18 to 34322

Henry County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White3,0100.08550650531219817
Hispanic1770.08948432760364004
2+ Races1320.09806835066864784
Other Race420.045307443365695796
Black310.04499274310595065
Asian40.023952095808383235

Henry County, Illinois Veterans by Race

Henry County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.56%

Veteran Poverty Rate

27.35%

Veteran Disability Rate

Henry County, Illinois Veterans by Education

LaborForceParticipation

61.6%

Labor Force Participation

58.8%

Employment Rate

4.5%

Unemployment Rate

Henry County, Illinois Employment by Age

LaborForceParticipation

Henry County, Illinois Employment by Race

LaborForceParticipation

Henry County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

77.41%

Born in Henry County, Illinois

98.6%

Native Born

1.4%

Foreign Born

0.56%

Non Citizen

0.84%

Naturalized

Place of Birth

98.6% of Henry County, Illinois residents were born in the United States, with 77.41% having been born in Illinois. 0.56% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Henry County, Illinois Place of Birth

Sources