Henry County, Illinois Population 2021

Henry County, Illinois's estimated population is 48,601 with a growth rate of -0.32% in the past year according to the most recent United States census data. Henry County, Illinois is the 32nd largest county in Illinois. The 2010 Population was 50,452 and has seen a growth of -3.67% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202148,601-156-0.32%
202048,757-156-0.32%
201948,913-156-0.32%
201849,069-150-0.30%
201749,219-279-0.56%
201649,498-140-0.28%
201549,638-186-0.37%
201449,824-93-0.19%
201349,917-332-0.66%
201250,249-34-0.07%
201150,283-169-0.33%
201050,452-707-1.38%
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%
193043,851-1,311-2.90%
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%
1830410.00%
2021 Growth Rate
-0.32%
County Website
Founded
January 13, 1825
County Seat
2010 Population
50,452
Growth Since 2010
-3.67%
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Henry County, Illinois Population Growth

Population by Race

Race Population Percentage
White46,31394.00%
Some Other Race1,0812.19%
Black or African American9381.90%
Two or More Races6391.30%
Asian2440.50%
American Indian and Alaska Native520.11%
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Henry County, Illinois Population by Race

Henry County, Illinois Population Pyramid $2021

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Henry County, Illinois Median Age

43.1


Total

41.3


Male

44.6


Female

Henry County, Illinois Adults

There are 38,250 adults, (10,006 of whom are seniors) in Henry County, Illinois.

Henry County, Illinois Age Dependency

74.4

Age Dependency Ratio

35.4

Old Age Dependency Ratio

39

Child Dependency Ratio

Henry County, Illinois Sex Ratio

Female

24,731

50.20%

Male

24,536

49.80%

Henry County, Illinois Population by Age

Henry County, Illinois Renter vs Owner Occupied by Household Type

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Henry County, Illinois Household Types

Type Owner Renter
Married89.9%10.1%
Male80.7%19.3%
All78.6%21.4%
Non Family64.5%35.5%
Female56.8%43.2%

78.6%

Rate of Home Ownership

Henry County, Illinois Households and Families

Type Count Average Size Owned
All19,8562.4578.6
Married10,8872.9889.9
Non Family6,3821.1464.5
Female1,5873.3956.8
Male1,0003.4280.7

2.98

Average Family Size

2.45

Average Household Size

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Henry County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade7362.13%
9th to 12th Grade2,3056.67%
High School Graduate11,66033.72%
Some College7,76122.45%
Associates Degree4,05811.74%
Bachelors Degree5,53616.01%
Graduate Degree2,5187.28%
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Henry County, Illinois Educational Attainment by Sex (over 25)

Henry County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White32,24829,8827,652
Hispanic1,335898248
Black54840981
Other Race51516172
2+ Races25120944
Asian1389429
Native American5252

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 23.73%.

Henry County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$41,270$52,196$30,409
Less Than 9th Grade$26,390$28,403$22,872
High School Graduate$34,935$44,365$21,478
Some College$39,455$53,365$28,259
Bachelors Degree$51,029$65,357$39,963
Graduate Degree$60,781$80,486$53,574

$41,270

Average Earnings

$52,196

Average Male

$30,409

Average Female

Henry County, Illinois Earnings by Educational Attainment

Henry County, Illinois Language by Age

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Henry County, Illinois Language

95.38% of Henry County, Illinois residents speak only English, while 4.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.72% of the population.

Henry County, Illinois Language

Henry County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White43,9254,2109.58%
Hispanic2,77361222.07%
Other1,07845141.84%
Black79625632.16%
Multiple63913521.13%
Asian223156.73%

10.81%

Overall Poverty Rate

9.82%

Male Poverty Rate

11.78%

Female Poverty Rate

Poverty in Henry County, Illinois

The race most likely to be in poverty in Henry County, Illinois is Other, with 41.84% below the poverty level.

The race least likely to be in poverty in Henry County, Illinois is Asian, with 6.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.15%. Among those working part-time, it was 10.05%, and for those that did not work, the poverty rate was 14.97%.

Henry County, Illinois Poverty

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Name Poverty
Less Than 9th Grade22.98%
High School9.37%
Some College6.82%
Bachelors or Greater3.24%

Henry County, Illinois Poverty Rate by Education

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Rate Poverty
Male Unemployed25.93%
Female Unemployed23.15%
Female Employed6.20%
Male Employed4.20%

Henry County, Illinois Poverty Rate by Employment Status and Sex

Henry County, Illinois Income by Household Type

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Name Median Mean
Households$59,933$73,302
Families$76,108$87,603
Married Families$84,495$96,139
Non Families$30,715$39,694
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Income by Household Type

Henry County, Illinois Marital Status

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Marriage Rates

55.7%

Overall Marriage Rate

56.3%

Male Marriage Rate

55.2%

Female Marriage Rate

Henry County, Illinois Married by Age and Sex

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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 35-44.

Henry County, Illinois Marital Status by Race

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Henry County, Illinois Marital Status

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3,422

Number of Veterans

3,223

Male Veterans

199

Female Veterans

War Veterans
Vietnam1,266
First Gulf War618
Second Gulf War513
Korea241
World War II162

Henry County, Illinois Veterans by War

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Age Group Veterans
65 to 741,030
75+857
35 to 54753
55 to 64448
18 to 34334

Henry County, Illinois Veterans by Age

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Name Veterans % of Total
White3,2959.06%
Hispanic1136.40%
Other Race578.51%
2+ Races4111.42%
Black243.97%
Native American59.62%

Henry County, Illinois Veterans by Race

Henry County, Illinois Veterans by Education

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8.30%

Veteran Poverty Rate

29.23%

Veteran Disability Rate

Henry County, Illinois Veterans by Education

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60.9%

Labor Force Participation

58.1%

Employment Rate

4.5%

Unemployment Rate

Henry County, Illinois Employment by Age

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Henry County, Illinois Employment by Race

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Henry County, Illinois Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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76.32%

Born in Henry County, Illinois

97.98%

Native Born

2.02%

Foreign Born

1.15%

Non Citizen

0.87%

Naturalized

Place of Birth

97.98% of Henry County, Illinois residents were born in the United States, with 76.32% having been born in Illinois. 1.15% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources