County · Illinois
Henry County, Illinois
Henry County, Illinois. Henry County had 48,095 residents in 2025 by the Census Bureau's estimate, down 2.4% since 2020, a steeper fall than Illinois's (−0.8%). It holds 43 places (15 cities, villages and boroughs, 24 towns and townships and 4 census-designated) and 14 census tracts. GEOID 17073.
Henry County is one of the 4 counties of the Davenport-Moline-Rock Island, IA-IL metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
48,095
Census Bureau estimate (no margin published)
2020 Census count: 49,284 · ACS 2020-2024: 48,643
Median household income
$71,911
±$2,277 (90% margin)
Illinois: $83,390
Median home value
$151,600
±$6,905 (90% margin)
Illinois: $263,300
Median gross rent
$842
±$44 (90% margin)
Illinois: $1,274
How many people live in Henry County, and is it growing?
The 2020 Census counted 49,284 residents in Henry County. The Census Bureau estimates 48,095 for July 1, 2025, down 2.4% since 2020, a steeper fall than Illinois's (−0.8%). The 2020-2024 American Community Survey puts the population at 48,643 over 823 square miles of land.
| Measure | Henry County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Total population | 48,643 | 12,694,798 | −624 |
| Households | 20,272±378 | 5,036,449 | no clear change |
| Average household size | 2.36±0.04 | 2.46 | −0.09 |
| Housing units | 22,210±40 | 5,457,452 | no clear change |
Henry County's population since 2000
From 51,020 in 2000 to 48,095 in 2025: down 5.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Henry County?
Henry County holds 43 places: 15 cities, villages and boroughs (incorporated places), 24 towns and townships (county subdivisions with their own government) and 4 census-designated places. The largest is Kewanee with 12,115 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Kewanee | 12,509 | $50,886 |
|---|---|---|
| Kewanee Township | 9,800 | $50,528 |
| Geneseo Township | 7,567 | $72,744 |
| Colona Township | 6,706 | $83,769 |
| Geneseo | 6,539 | $70,147 |
| Colona | 5,045 | $79,700 |
| Wethersfield Township | 3,792 | $62,149 |
| Western Township | 2,974 | $99,355 |
| Galva Township | 2,712 | $55,568 |
| Galva | 2,470 | $52,470 |
| Cambridge Township | 2,405 | $64,795 |
| Hanna TownshipGEOID 1707332642 | 2,308 | $110,776 |
| Cambridge | 2,086 | $64,979 |
| Orion | 1,754 | $94,375 |
| Phenix Township | 1,713 | $135,652 |
| Atkinson Township | 1,246 | $57,500 |
| Oxford Township | 1,176 | $74,792 |
| Annawan Township | 1,143 | $86,125 |
| Atkinson | 965 | $57,174 |
| Annawan | 884 | $70,729 |
| Andover Township | 881 | $67,917 |
| Clover Township | 847 | $60,893 |
| Lynn Township, Henry CountyGEOID 1707345304 | 763 | $77,500 |
| Woodhull | 754 | $65,893 |
| Edford TownshipGEOID 1707322476 | 685 | $101,125 |
| Alpha | 675 | $77,639 |
| AndoverGEOID 1701491 | 555 | $77,813 |
| Yorktown TownshipGEOID 1707384012 | 447 | $77,708 |
| Osco TownshipGEOID 1707356809 | 434 | $110,119 |
| Weller TownshipGEOID 1707379722 | 413 | not published |
| Munson TownshipGEOID 1707351388 | 385 | not published |
| Burns TownshipGEOID 1707309824 | 248 | not published |
| Loraine TownshipGEOID 1707344732 | 244 | $71,648 |
| Cornwall TownshipGEOID 1707316444 | 222 | $75,000 |
| HooppoleGEOID 1736074 | 180 | $44,261 |
| Coal Valley | 3,873 | $106,850 |
| Alba TownshipGEOID 1707300503 | 173 | not published |
| ClevelandGEOID 1714923 | 163 | $73,750 |
| OphiemGEOID 1756211 | 123 | $42,969 |
| Bishop HillGEOID 1706171 | 113 | $56,429 |
| OscoGEOID 1756796 | 108 | $72,778 |
| Lynn CenterGEOID 1745343 | 85 | not published |
| NekomaGEOID 1751934 | 23 | $18,719 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Henry County?
The median resident of Henry County is 43.6 years old; 21.6% are under 18 and 21.8% are 65 or older. The largest group is non-Hispanic white residents at 87.0%, then Hispanic or Latino residents (of any race) at 6.9%. 1.7% of residents were born outside the United States.
| Measure | Henry County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.6±0.3 | 39.0 | +0.5 |
| Under 18 years | 21.6% | 21.8% | – |
| 65 years and over | 21.8%±0.1 pts | 17.0% | – |
| Hispanic or Latino (any race) | 6.9% | 18.8% | +1.2 pts |
| White alone, not Hispanic | 87.0%±0.7 pts | 58.1% | −3.4 pts |
| Black or African American alone, not Hispanic | 1.0%±0.2 pts | 13.3% | −0.9 pts |
| Asian alone, not Hispanic | 0.5%±0.1 pts | 5.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.0%±0.5 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.6%±0.4 pts | 0.4% | – |
| Born outside the United States | 1.7%±0.4 pts | 14.7% | no clear change |
| Speak a language other than English at home (age 5+) | 4.5%±0.7 pts | 24.0% | – |
| Civilian veterans (age 18+) | 7.5%±0.8 pts | 4.8% | – |
| With a disability | 13.5%±1.1 pts | 12.1% | – |
| No health insurance coverage | 4.0%±0.9 pts | 6.9% | no clear change |
| High school graduate or higher (age 25+) | 92.4%±1.1 pts | 90.5% | – |
| Bachelor's degree or higher (age 25+) | 24.7%±1.6 pts | 37.8% | no clear change |
| Graduate or professional degree (age 25+) | 8.0%±0.9 pts | 15.3% | – |
| Moved from another state in the past year | 1.1%±0.4 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Henry County earn?
Half of Henry County's 20,272 households earn less than $71,911 a year (±$2,277), against $83,390 in Illinois. In 2015-2019 it was $73,759 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.9% of residents live below the poverty line.
| Measure | Henry County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $71,911±$2,277 | $83,390 | no clear change |
| Mean household income | $93,368±$3,743 | $115,638 | – |
| Per capita income | $39,614±$1,660 | $46,406 | +$2,269 |
| People below the poverty line | 8.9%±1.4 pts | 11.8% | no clear change |
| Children under 18 below the poverty line | 10.5%±3.8 pts | 15.1% | −7.2 pts |
| Households receiving SNAP | 13.3%±1.7 pts | 13.8% | – |
| Households with a broadband subscription | 86.7%±1.7 pts | 90.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Henry County?
Owners occupy 79.9% of Henry County's occupied homes and renters 20.1%. The median owner-occupied home is valued at $151,600 by its owner (±$6,905). The median renter pays $842 a month including utilities, and 32.5% of renters pay 35% or more of their income on rent.
| Measure | Henry County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $151,600±$6,905 | $263,300 | no clear change |
| Median gross rent | $842±$44 | $1,274 | no clear change |
| Renters paying 35% or more of income on rent | 32.5%±6.5 pts | 39.0% | no clear change |
| Median monthly owner costs, with a mortgage | $1,414±$47 | $1,987 | – |
| Owner-occupied homes | 79.9%±1.8 pts | 67.1% | no clear change |
| Housing units | 22,210±40 | 5,457,452 | no clear change |
| Homeowner vacancy rate | 0.8%±0.5 pts | 1.0% | – |
| Rental vacancy rate | 3.7%±2.1 pts | 5.0% | – |
| Single-family detached homes | 86.8%±1.8 pts | 58.2% | – |
| Mobile homes | 1.7%±0.7 pts | 2.3% | – |
| Built 2020 or later | 0.4%±0.3 pts | 0.7% | – |
| Built 1939 or earlier | 30.8%±2.0 pts | 20.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Henry County building?
Builders took permits for 18 new housing units across Henry County in 2025 (18 single-family), 0.4 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Henry County get to work?
80.0% of Henry County's workers drive alone and 8.7% work from home. The average trip to work takes 22.2 minutes. The unemployment rate in 2020-2024 averaged 4.8%.
| Measure | Henry County | Illinois | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.0%±1.5 pts | 65.0% | – |
| Unemployment rate | 4.8%±1.0 pts | 5.8% | no clear change |
| Drove alone to work | 80.0%±2.0 pts | 65.9% | – |
| Carpooled | 7.5%±1.4 pts | 7.8% | – |
| Public transportation | 0.1%±0.2 pts | 5.8% | – |
| Walked | 2.5%±1.0 pts | 2.8% | – |
| Worked from home | 8.7%±1.3 pts | 15.9% | +5.2 pts |
| Mean travel time to work | 22.2 min±1.0 | 27.8 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Henry County's census tracts?
Henry County is divided into 14 census tracts. Among those with a reliable estimate, median household income runs from $43,903 (Tract 308) to $117,786 (Tract 302.03).
| Tract 30117073030100 | 5,699±282 | $80,313 |
|---|---|---|
| Tract 302.0117073030201 | 4,713±238 | $109,819 |
| Tract 302.0217073030202 | 3,315±278 | $69,010 |
| Tract 302.0317073030203 | 4,665±464 | $117,786 |
| Tract 303.0117073030301 | 3,820±304 | $74,432 |
| Tract 303.0217073030302 | 3,386±288 | $63,162 |
| Tract 30417073030400 | 2,465±282 | $71,327 |
| Tract 30517073030500 | 2,205±208 | $87,250 |
| Tract 30617073030600 | 2,775±424 | $44,052 |
| Tract 30817073030800 | 3,624±483 | $43,903 |
| Tract 30917073030900 | 3,339±408 | $58,523 |
| Tract 31017073031000 | 3,468±80 | $61,075 |
| Tract 31117073031100 | 2,568±65 | $53,750 |
| Tract 31217073031200 | 2,601±255 | $65,786 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Henry County compare with Illinois's other counties?
| Measure | Rank |
|---|---|
| Population | 30th of 102 |
| Growth 2020-2025 | 58th of 102 |
| Residents per square mile | 40th of 102 |
| Median household income | 35th of 102 |
| Median home value | 37th of 102 |
| Median gross rent | 41st of 102 |
| Poverty rate | 83rd of 102 |
| Bachelor's degree or higher | 31st of 102 |
| Median age | 35th of 102 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Henry County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.