Post office in, 2011
Henderson’s story
189 years in pictures
Census counts: 198 in 1880, a peak of 369 in 1980, 266 in 2020. The archive holds 1 old photo or paper going back to 2011 and 2 maps from 1947 on.
- 1837Henderson is settled
HendersonIL
Photo: Soperville · CC BY-SA 3.0
Population
254
2025 Census estimate · −3.4% since 2020
Median home value
$111K
Census ACS
Household income
$58K
median
Median age
27.5
years
Jobs based here
9
A commuter town
Is Henderson a good place to live?
24% of residents live below the poverty line in Henderson, above both the Illinois town median (8.4%) and the median of U.S. towns (9.6%). Henderson has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
What makes Henderson stand out
Where Henderson beats most towns.
Small town
254 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
Getting set up
The full setup list →Moving to Henderson: who provides what
Who provides power, water and the rest in Henderson, and how to reach them.
PowerAmeren Illinois Company16.7¢/kWh · EIA 2025HIFLD · EIA
WaterHenderson water system1 health-based violation in 5 years · EPAEPA
Internet6 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Henderson’s trash rules yet
Register to voteOnlineIn Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before).vote.govWho runs elections hereKnox County ClerkKnox County; contacts on the Handbook page.FVAP, Jun 2025
ZIP codes61439, 6148861439 97% · 61488 3%Census 2020
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
The data
Ordered by what stands out in Henderson.
Work & commute
Most of Henderson’s workers commute out: the town has 0.1 jobs for each of them
Most working residents leave Henderson for work: only 1% work in town. At $58,000, Henderson’s median household income is where Illinois’ towns sit at $83,000 and U.S. towns at $80,000. The top destinations are Galesburg (34%), Peoria (13%) and Roanoke (3%).
1%work in town
| Henderson | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median household income | $58,000 | $83,000 | $80,000 |
| Working residents who work in town | 0.9% | 8.3% | 8% |
| Average trip to work | 27 minutes | 26 minutes | 25 minutes |
Where working residents work
In Henderson1%
Galesburg34%
Peoria13%
Roanoke3%
Monmouth3%
32 mi
median commute distance
9
jobs based in Henderson
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACS
Climate
Four seasons and pleasant summers in Henderson
Henderson has cold winters and warm summers. July afternoons reach 84°, January nights drop to 15° and about 26 inches of snow falls in a winter.
26″snow a winter
Typical low → high °F
Winter18–34°
Spring40–61°
Summer62–83°
Fall42–63°
Oct 19
typical first frost
Apr 20
typical last frost
+0.7°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Health
How healthy Henderson is
Henderson beats the Illinois average on 7 of 32 CDC measures and trails it on 6. 33% of adults sleep under 7 hours in Henderson.
| Henderson | Illinois towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 33% | 35% | 36% |
| Feel lonely (CDC PLACES) | 31% | 33% | 33% |
| Frequent mental distress (CDC PLACES) | 15% | 17% | 17% |
| High blood pressure (CDC PLACES) | 37% | 35% | 35% |
32 measures vs. Illinois
7 better19 too close to call6 worse
| What stands out | Henderson | IL |
|---|---|---|
| Fewer adults facing food insecurity | 10.6% | 15.9% |
| Fewer adults facing housing insecurity | 8.8% | 13.2% |
| More older adults who have lost all their teeth | 18.4% | 10.3% |
St. Mary Medical Center
2.5 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Natural hazards
High risk in Henderson, with inland flooding at the top
Expected storm and flood damage is higher than in 60% of U.S. communities.
60risk score of 100
FEMA risk score
Inland floodingStrong windCold waves
1
federal disasters paid out here
FEMA National Risk Index · OpenFEMA
Keep exploring
Everything we know about Henderson
16pages on Henderson
The big questions
Out and about
After high school
Colleges nearby
2 within 15 miles of the center of Henderson
Carl Sandburg CollegeCommunity college · Public · Galesburg4.1 mi$5,390 in-state tuitionKnox CollegeUniversity or college · Private nonprofit · Galesburg5.7 mi$57,903 tuition
About 3 of every 100 Henderson residents are enrolled in college, against 6 across Illinois.
A commuter town
99% of working residents leave Henderson for work
Where Henderson’s working residents go each day. Line width shows the share.
9jobs based in Henderson
1%of working residents work in town
32 mimedian commute distance
Census LEHD 2023
About Henderson
Village in Illinois, United States
Henderson is a village in Knox County, Illinois, United States. The population was 266 at the 2020 census. It is part of the Galesburg Micropolitan Statistical Area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.3 sq mi
- Elevation
- 817 ft
- ZIP code
- 61439
Questions about Henderson
Short answers, built from the data on this page.
Is Henderson, IL a good place to live?
Henderson has fewer than 1,000 residents, too few for fair grades; the figures below are still real.