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Hancock County, IL
15 cities and towns and 14 ZIP codes in Hancock County, Illinois.
Population
17,281
Land area
794sq mi
People per sq mi
22
ZIP codes
14
Cities and towns in Hancock County
Hancock County at a glance
- Hancock County is 90% less dense than Illinois as a whole.
- Households here earn a median of $65,865 a year, 21% less than the Illinois figure of $83,390.
- A typical owner-occupied home is valued at $113,800 (57% below Illinois) and median rent is $782 a month.
- The biggest population centers are Hamilton (2,714), Carthage (2,291) and Warsaw (1,518).
Local data for Hancock County, IL
Counts from official public data
Housing and community stats
Hancock County, IL, American Community Survey 2020-2024
Median household income
$65,865
Poverty rate
12.3%
Median home value
$113,800
Prices +5.8% in a year
Median rent
$782/mo
Homeownership
81.3%
Bachelor's or higher
25.1%
Median age
46.9
Average commute
24.1 min
Largest reported origins and ancestries: German Americans (5,203), Irish Americans (2,171), Scottish Americans (448).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.0%
Sep 2026, -0.7 pts in a year
Average annual pay
$48,353
4,257 jobs, 2025
Income per person
$60,715
BEA, 2024
Federal spending
$136M
FY 2026, $7,713 per person
PPP loans
$38.6M
1,374 loans, 4,386 jobs reported
Campaign donations
$68.9K
Itemized, 2026 cycle
How people get to work
Hancock County, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone84.7%
- Carpooled4.8%
- Public transit0.1%
- Walked2.1%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home7.5%
Average one-way commute: 24.1 minutes for people who do not work from home.
Environment and hazard risk
Hancock County, IL, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
627
Most often thunderstorm wind
Flood insurance policies
48
0.7% of homes, county
July high / Jan low
86° / 18°F
40.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone7 historic places
Health statistics
Share of adults in Hancock County, IL, CDC PLACES estimates
Obesity
38.8%
U.S. 33.3% +5.5 pts
Diabetes
13.2%
U.S. 12.1% +1.1 pts
Smoking
14.7%
U.S. 12.8% +1.9 pts
Uninsured (18-64)
7.3%
U.S. 11.1% -3.8 pts
Cities, towns and ZIP codes in Hancock County
Population shown
Frequently asked questions
- What is the largest city in Hancock County, IL?
- Hamilton is the largest city or town in Hancock County, with about 2,714 residents.
- How many ZIP codes are in Hancock County?
- Hancock County includes 14 ZIP Code Tabulation Areas, including 61450, 62311, 62313, 62316, 62321.
- What is the population of Hancock County, IL?
- About 17,281 people live in Hancock County, based on American Community Survey 5-year estimates.
- What counties border Hancock County?
- Hancock County borders Adams County, Lee County, IA, McDonough County, Lewis County, MO, Schuyler County, Clark County, MO, Henderson County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023