County · Illinois

Henderson County, Illinois

Henderson County, Illinois. Henderson County had 5,984 residents in 2025 by the Census Bureau's estimate, down 6.4% since 2020, a steeper fall than Illinois's (−0.8%). It holds 21 places (9 cities, villages and boroughs, 11 towns and townships and 1 census-designated) and 3 census tracts. GEOID 17071.

Henderson County is one of the 2 counties of the Burlington, IA-IL micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

5,984

Census Bureau estimate (no margin published)
2020 Census count: 6,387 · ACS 2020-2024: 6,193

Median household income

$62,227

±$6,201 (90% margin)
Illinois: $83,390

Median home value

$104,400

±$9,004 (90% margin)
Illinois: $263,300

Median gross rent

$764

±$73 (90% margin)
Illinois: $1,274

How many people live in Henderson County, and is it growing?

The 2020 Census counted 6,387 residents in Henderson County. The Census Bureau estimates 5,984 for July 1, 2025, down 6.4% since 2020, a steeper fall than Illinois's (−0.8%). The 2020-2024 American Community Survey puts the population at 6,193 over 379 square miles of land.

July 2020→2021 −23 (6,317)
2021→2022 −146 (6,171)
2022→2023 −65 (6,106)
2023→2024 −75 (6,031)
2024→2025 −47 (5,984)

Henderson County in Illinois. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Henderson County	Illinois	Change since 2015-2019
Total population	6,193	12,694,798	−616
Households	2,704±113	5,036,449	−273
Average household size	2.27±0.09	2.46	no clear change
Housing units	3,366±20	5,457,452	−502

Henderson County's population since 2000

From 8,213 in 2000 to 5,984 in 2025: down 27.1%. 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.

2000 Census 8,213
2005 (estimate) 7,786
2010 Census 7,331
2015 (estimate) 7,001
2020 Census 6,387
2025 (estimate) 5,984

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 Henderson County?

Henderson County holds 21 places: 9 cities, villages and boroughs (incorporated places), 11 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Oquawka Township with 1,571 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Henderson County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Oquawka Township	township	1,659	1,659±188	$54,682	$104,400	13.5%	100%
Oquawka	village	1,134	1,059±201	$53,929	$92,000	15.9%	100%
Stronghurst Township	township	1,089	1,087±216	$50,938	$104,700	20.7%	100%
Gladstone Township	township	845	732±138	$64,688	$133,000	10.5%	100%
Stronghurst	village	833	949±187	$59,375	$124,600	14.9%	100%
Lomax Township	township	748	740±151	$48,750	$85,400	28.5%	100%
Biggsville TownshipGEOID 1707105911	township	514	494±108	$104,750	$97,300	13.8%	100%
Lomax	village	404	318±98	$51,875	$79,000	11.0%	100%
Media TownshipGEOID 1707148086	township	361	290±80	$78,906	$133,600	7.2%	100%
BiggsvilleGEOID 1705898	village	300	294±84	$86,250	$83,500	10.9%	100%
Rozetta TownshipGEOID 1707166222	township	263	311±99	$133,674	$205,000	0.0%	100%
Raritan TownshipGEOID 1707162861	township	242	152±54	$79,167	$151,000	12.5%	100%
Gladstone	village	234	237±71	$50,000	$59,400	10.1%	100%
Carman TownshipGEOID 1707111280	township	227	483±203	not published	$91,000	3.7%	100%
Terre Haute TownshipGEOID 1707174730	township	227	174±97	$96,484	$108,600	0.0%	100%
Bald Bluff TownshipGEOID 1707103415	township	212	71±51	not published	not published	0.0%	100%
Dallas City	city	805	894±186	$63,056	$90,000	16.4%	21%
MediaGEOID 1748073	village	121	153±64	$76,607	$89,500	7.8%	100%
RaritanGEOID 1762848	village	102	134±46	$68,750	$87,500	14.2%	100%
GulfportGEOID 1731991	village	–	92±66	$60,000	not published	42.4%	100%
CarmanGEOID 1711267	CDP	67	250±210	not published	not published	0.0%	100%

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 Henderson County?

The median resident of Henderson County is 50.2 years old; 18.5% are under 18 and 27.6% are 65 or older. The largest group is non-Hispanic white residents at 93.7%, then non-Hispanic residents of two or more races at 3.5%.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Henderson County	Illinois	Change since 2015-2019
Median age	50.2±0.4	39.0	no clear change
Under 18 years	18.5%	21.8%	–
65 years and over	27.6%±0.4 pts	17.0%	–
Hispanic or Latino (any race)	1.2%±0.6 pts	18.8%	−0.6 pts
White alone, not Hispanic	93.7%±0.7 pts	58.1%	−2.2 pts
Black or African American alone, not Hispanic	0.3%±0.4 pts	13.3%	–
Asian alone, not Hispanic	0.2%±0.2 pts	5.9%	–
American Indian and Alaska Native alone, not Hispanic	0.7%±0.4 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.6 pts	0.0%	–
Two or more races, not Hispanic	3.5%±0.9 pts	3.4%	–
Some other race alone, not Hispanic	0.5%±0.5 pts	0.4%	–
Born outside the United States	0.6%±0.5 pts	14.7%	–
Speak a language other than English at home (age 5+)	1.1%±0.6 pts	24.0%	–
Civilian veterans (age 18+)	9.4%±1.6 pts	4.8%	–
With a disability	23.7%±2.9 pts	12.1%	–
No health insurance coverage	2.6%±0.9 pts	6.9%	−3.2 pts
High school graduate or higher (age 25+)	90.9%±2.3 pts	90.5%	–
Bachelor's degree or higher (age 25+)	20.6%±3.4 pts	37.8%	no clear change
Graduate or professional degree (age 25+)	4.7%±1.3 pts	15.3%	–
Moved from another state in the past year	2.3%±1.0 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 Henderson County earn?

Half of Henderson County's 2,704 households earn less than $62,227 a year (±$6,201), against $83,390 in Illinois. In 2015-2019 it was $66,059 in 2024 dollars; the margins of error cannot tell the two periods apart. 13.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Henderson County	Illinois	Change since 2015-2019
Median household income	$62,227±$6,201	$83,390	no clear change
Mean household income	$73,914±$4,576	$115,638	–
Per capita income	$32,931±$1,962	$46,406	no clear change
People below the poverty line	13.9%±3.6 pts	11.8%	+6.1 pts
Children under 18 below the poverty line	25.8%±9.0 pts	15.1%	+15.4 pts
Households receiving SNAP	13.8%±2.7 pts	13.8%	–
Households with a broadband subscription	84.0%±3.4 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 Henderson County?

Owners occupy 81.1% of Henderson County's occupied homes and renters 18.9%. The median owner-occupied home is valued at $104,400 by its owner (±$9,004). The median renter pays $764 a month including utilities, and 31.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Henderson County	Illinois	Change since 2015-2019
Median home value (owner-occupied)	$104,400±$9,004	$263,300	no clear change
Median gross rent	$764±$73	$1,274	no clear change
Renters paying 35% or more of income on rent	31.3%±11.4 pts	39.0%	no clear change
Median monthly owner costs, with a mortgage	$1,163±$67	$1,987	–
Owner-occupied homes	81.1%±3.3 pts	67.1%	no clear change
Housing units	3,366±20	5,457,452	−502
Homeowner vacancy rate	5.8%±2.9 pts	1.0%	–
Rental vacancy rate	12.3%±6.8 pts	5.0%	–
Single-family detached homes	82.3%±3.2 pts	58.2%	–
Mobile homes	13.1%±3.0 pts	2.3%	–
Built 2020 or later	0.2%±0.3 pts	0.7%	–
Built 1939 or earlier	23.8%±3.5 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 Henderson County building?

Builders took permits for 4 new housing units across Henderson County in 2025 (4 single-family), 0.7 per 1,000 residents.

2019 7 units
2020 9 units
2021 9 units
2022 3 units
2023 3 units
2024 5 units
2025 4 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Henderson County get to work?

88.8% of Henderson County's workers drive alone and 4.2% work from home. The average trip to work takes 26.1 minutes. The unemployment rate in 2020-2024 averaged 7.8%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Henderson County	Illinois	Change since 2015-2019
In the labor force (age 16+)	54.8%±3.0 pts	65.0%	–
Unemployment rate	7.8%±2.9 pts	5.8%	no clear change
Drove alone to work	88.8%±2.7 pts	65.9%	–
Carpooled	5.8%±2.1 pts	7.8%	–
Public transportation	0.3%±0.3 pts	5.8%	–
Walked	0.9%±0.5 pts	2.8%	–
Worked from home	4.2%±1.6 pts	15.9%	−3.0 pts
Mean travel time to work	26.1 min±1.8	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 Henderson County's census tracts?

Henderson County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $54,784 (Tract 9735) to $80,625 (Tract 9734).

Census tracts of Henderson County, ACS 2020-2024 5-year estimates; sort by any column

Tract 973317071973300	Oquawka (49%)	1,999	1,975±163	$60,705	$105,200	$520	11.3%
Tract 973417071973400	Biggsville (10%)	1,701	1,703±214	$80,625	$108,500	$1,188	10.2%
Tract 973517071973500	Stronghurst (18%)	2,687	2,515±212	$54,784	$100,700	$792	18.5%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Henderson County compare with Illinois's other counties?

Henderson County's rank among Illinois's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	92nd of 102
Growth 2020-2025	98th of 102
Residents per square mile	99th of 102
Median household income	75th of 102
Median home value	85th of 102
Median gross rent	78th of 102
Poverty rate	35th of 102
Bachelor's degree or higher	57th of 102
Median age	4th of 102

Every county in Illinois

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 Henderson 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.