Checked
ZIP Code 61439
Henderson, IL, Knox County
Population
299
Land area
1.2sq mi
People per sq mi
239
City
Henderson
ZIP 61439 and nearby ZIP codes
Local data for ZIP 61439
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
PPP loans
$99.5K
7 loans
Campaign donations
$13
Itemized, 2026 cycle
Environment and hazard risk
ZIP 61439, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: strong wind
Storm events since 1996
476
Countywide, mostly thunderstorm wind
Flood insurance policies
29
0.1% of homes, county
July high / Jan low
84° / 14°F
39.0 inches of rain a year
Health statistics
Share of adults in ZIP 61439, CDC PLACES estimates
Obesity
35.5%
U.S. 33.3% +2.2 pts
Diabetes
12.0%
U.S. 12.1% about the same
Smoking
13.1%
U.S. 12.8% about the same
Uninsured (18-64)
7.0%
U.S. 11.1% -4.1 pts
Frequently asked questions
- What city is ZIP code 61439?
- ZIP code 61439 is in Henderson, IL (Knox County).
- What county is ZIP code 61439 in?
- ZIP code 61439 is mostly in Knox County, Illinois.
- How many people live in ZIP code 61439?
- About 299 people live in the 61439 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.