Henry County, IL demographics:
population, income, and more

Total population
48,643
-0.6% year-over-year change
Median household income
$71,911/yr
2.9% year-over-year change
Housing units
22,210
0.0% year-over-year change

Henry County population

How many people live in Henry County

Henry County is home to 48,643 residents, according to the most recent Census data. Gender-wise, 49.8% of Henry County locals are male, and 50.2% are female.

Total population
48,643
-0.6% year-over-year change
Gender ratio
Male
49.8%
24,208
Female
50.2%
24,435
Value Percent YoY change
Male 24,208 49.8% -0.2%
Female 24,435 50.2% -1.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Henry County is 44, with the population distributed as follows: about 17.4% are children under 15, then 11.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.4% of the population, while another 26.4% fall into the 45 to 64 bracket. Finally, around 21.8% are 65 or older.

Median age
43.6
Age breakdown
Under 15
17.4%
15 to 24
11.1%
25 to 44
23.4%
45 to 64
26.4%
Over 65
21.8%
Value Percent YoY change
Under 15 8,446 17.4% -2.5%
15 to 24 5,409 11.1% -0.6%
25 to 44 11,381 23.4% -0.7%
45 to 64 12,816 26.4% -1.6%
Over 65 10,591 21.8% 2.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Henry County, 97.7% of the population are US-born citizens, while 1.7% have gained naturalized citizenship. At the same time, 0.6% of residents are non-citizens. As for race, 88% of locals are Caucasian, 1.1% are African American and 0.5% have Asian roots. There’s also a share of 7.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.7%
Non-U.S.-born citizens
1.7%
Non-citizens
0.6%
Value Percent YoY change
U.S.-born citizens 47,526 97.7% -0.7%
Non-U.S.-born citizens 807 1.7% 6.6%
Non-citizens 310 0.6% -0.6%
Racial breakdown
White
88%
Black or African American
1.1%
American Indian and Alaska Native
0%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.9%
Other
2.5%
Value Percent
White 42,780 88%
Black or African American 535 1.1%
American Indian and Alaska Native 5 0%
Asian 254 0.5%
Native Hawaiian and other Pacific Islander 3 0%
Two or more races 3,839 7.9%
Other 1,227 2.5%

Households in Henry County

A peek inside Henry County households

Henry County has 20,272 households, with an average of 2 members in each. Of these, 65.8% are families, while the remaining 34.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
20,272
0.1% year-over-year change
Average people per household
2
Non-family households
6,930
Family households
13,342
Value Percent YoY change
Non-family households 6,930 34.2% 0.6%
Family households 13,342 65.8% -0.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Henry County

The housing landscape of Henry County

Henry County's housing consists of 22,210 units, with 86.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.7% of the housing landscape.

Housing units
22,210
0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 19,278 86.8%
1 unit, attached 275 1.2%
2 units 699 3.2%
3 or 4 units 475 2.1%
5 to 9 units 350 1.6%
10 to 19 units 197 0.9%
20 to 49 units 291 1.3%
50 or more units 264 1.2%
Mobile home 381 1.7%
Homes built since 2020
90
8.4% year-over-year change

The age of buildings in Henry County

In Henry County, the median construction year is 1961. About 30.8% of homes were built before the 1940s, with another 7.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 5.6% of homes were added from 2000 to 2009, 2.2% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 6,838 30.8% 4.6%
Built between 1940 and 1949 1,719 7.7% 1.4%
Built between 1950 and 1959 2,359 10.6% -6.3%
Built between 1960 and 1969 2,714 12.2% -2.6%
Built between 1970 and 1979 3,998 18% -1.2%
Built between 1980 and 1989 1,119 5% -9.2%
Built between 1990 and 1999 1,643 7.4% 3.9%
Built between 2000 and 2009 1,234 5.6% -6.5%
Built between 2010 and 2019 496 2.2% 21.9%
Built in 2020 or later 90 0.4% 8.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Henry County occupancy rates

Out of the 20,272 occupied housing units in Henry County, 80% are owner-occupied, while 20% are lived in by tenants. Meanwhile, 8.7% of all homes on the local market sit vacant.

Occupied housing units
20,272
0.1% year-over-year change
Occupancy breakdown
Renter occupied
4,065
Owner occupied
16,207
Value Percent YoY
change
Renter occupied 4,065 20% 2.3%
Owner occupied 16,207 80% -0.5%
Unoccupied housing units
8.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Henry County housing costs

Housing costs in Henry County come to a median of $893 per month, while tenants specifically pay a median gross rent of $842.

Median housing costs per month
$893/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Henry County
$842/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Henry County

Henry County education at a glance

About 40.2% of the population in Henry County went to high school, while 22.2% pursued college studies. Another 11.3% earned an associate degree and 16.3% hold a bachelor’s. Meanwhile, 7.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 996 2.6% -2.4%
High school diploma 15,338 40.2% 0.1%
College diploma 8,475 22.2% -0.5%
Associate degree 4,305 11.3% -3.6%
Bachelor's degree 6,214 16.3% 1.4%
Graduate degree 2,799 7.3% 3.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Henry County

How much people earn in Henry County

The average annual household income in Henry County was $93,368 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.7% change from the previous year. At the same time, the median income stood at $71,911, reflecting a +2.9% shift over the same period.

Average household income in Henry County
$93,368/year
1.7% year-over-year change
Median household income in Henry County
$71,911/year
2.9% year-over-year change

Henry County income by age

In Henry County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $94,241. Those with someone between 45 and 64 in charge, often well established professionally, earn $83,042 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $61,620, while those led by someone over 65, many of whom may be retired, have about $50,194 in earnings. Overall, 91.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $61,620 50.9%
25 - 44 $94,241 1.3%
45 - 64 $83,042 4.6%
Over 65 $50,194 6.8%
Above poverty level
43,322
Below poverty level
4,161
Value Percent YoY
change
Above poverty level 43,322 91.2% -1.3%
Below poverty level 4,161 8.8% 10.0%

Employment in Henry County

Workforce and job types in Henry County

The job market in Henry County is powered by 23,252 working residents, spread across a range of industries and roles. 72.5% of the working population are employed in professional or administrative positions, while 27.5% are in hands-on or service-based jobs. Also, 10.8% run their own businesses, 62.9% are employed by private companies, and 16.8% work in the public sector.

Workforce demographics

Working population
23,252
-1.6% year-over-year change
White collar
16,867
Blue collar
6,385
Value Percent YoY change
White collar 16,867 72.5% 0.5%
Blue collar 6,385 27.5% -6.7%
Employer type
Self employees
10.8%
Private companies
62.9%
Governmental workers
16.8%
Not for profit companies
9.5%
Value Percent YoY change
Self employees 2,510 10.8% 2.2%
Private companies 14,623 62.9% -3.4%
Governmental workers 3,904 16.8% -1.1%
Not for profit companies 2,215 9.5% 6.1%
Unemployment rate
4.8%
20.3% year-over-year change

Available workforce

The unemployment rate in Henry County stands at 4.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Henry County

How people get around in Henry County

Commuting methods vary: 87.5% of residents travel by personal vehicle and 2.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 20,034 87.5% -3.3%
Bus or trolleybus 30 0.1% 50.0%
Motorcycle 26 0.1% -23.5%
Bicycle 25 0.1% 13.6%
Walk 565 2.5% -9.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Henry County by zipcode?

Zipcode Population Number of households Median income Average income
61234 1,116 497 $79,688 $95,503
61235 1,283 639 $61,932 $84,705
61238 2,549 1,042 $64,583 $80,042
61240 5,795 2,259 $113,220 $125,210
61241 6,587 2,602 $80,000 $94,004
61254 12,135 4,892 $92,297 $115,030
61258 182 71 $44,261 $54,562
61262 1,197 423 $86,250 $87,178
61273 3,120 1,262 $99,032 $107,199
61274 197 98 $72,000 $98,395

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FAQs about Henry County demographics 

What is the total population of Henry County?

Henry County has a total population of 48,643 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.6% compared to a year ago.

What is the gender ratio in Henry County?

The gender ratio in Henry County is as follows:
  • 49.8% males (24,208 residents)
  • 50.2% females (24,435 residents)

What is the median age in Henry County?

The median age in Henry County is 43.6.

What is the age distribution of the population in Henry County?

The age distribution in Henry County is as follows:
  • Under 15: 17.4% (8,446 residents)
  • Ages 15-24: 11.1% (5,409 residents)
  • Ages 25-44: 23.4% (11,381 residents)
  • Ages 45-64: 26.4% (12,816 residents)
  • Over 65: 21.8% (10,591 residents)

What is the racial and ethnic makeup of Henry County?

The racial and ethnic makeup of Henry County is as follows:
  • White: 88% (42,780 residents)
  • Black or African American: 1.1% (535 residents)
  • American Indian and Alaska Native: 0% (5 residents)
  • Asian: 0.5% (254 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (3 residents)
  • Two or More Races: 7.9% (3,839 residents)
  • Other: 2.5% (1,227 residents)

What percentage of the population in Henry County are U.S.-born citizens?

U.S.-born citizens represent 97.7% of the population in Henry County.

How many housing units are there in Henry County?

There are 22,210 housing units in Henry County, reflecting a +0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Henry County and what is the average household size?

Henry County has a total of 20,272 households, with an average of 2 people in each.

What is the median household income in Henry County?

Henry County has a median household income of $71,911, representing a +2.9% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Henry County?

The employment rate is 95.2% in Henry County, with a workforce of 23,252 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 72.5% (16,867 residents)
  • Blue-collar workers: 27.5% (6,385 residents)

Places of employment:
  • Self-employed: 10.8% (2,510 residents)
  • Private companies: 62.9% (14,623 residents)
  • Governmental workers: 16.8% (3,904 residents)
  • Not-for-profit companies: 9.5% (2,215 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025