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Hardin County, IL
3 cities and towns and 3 ZIP codes in Hardin County, Illinois.
Population
3,605
Land area
177sq mi
People per sq mi
20
ZIP codes
3
Cities and towns in Hardin County
Hardin County at a glance
- Hardin County is 91% less dense than Illinois as a whole.
- Households here earn a median of $54,271 a year, 35% less than the Illinois figure of $83,390.
- A typical owner-occupied home is valued at $103,800 (61% below Illinois) and median rent is $379 a month.
- The biggest population centers are Rosiclare (961), Elizabethtown (396) and Cave-In-Rock (210).
Local data for Hardin County, IL
Counts from official public data
Housing and community stats
Hardin County, IL, American Community Survey 2020-2024
Median household income
$54,271
Poverty rate
11.0%
Median home value
$103,800
Median rent
$379/mo
Homeownership
79.5%
Bachelor's or higher
13.3%
Median age
53.6
Average commute
28.2 min
Largest reported origins and ancestries: German Americans (853), Irish Americans (449), Scottish Americans (83).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.0%
Sep 2026, -1.2 pts in a year
Average annual pay
$48,896
780 jobs, 2025
Income per person
$55,913
BEA, 2024
Federal spending
$29.8M
FY 2026, $8,161 per person
PPP loans
$2.2M
68 loans, 263 jobs reported
Campaign donations
$6,025
Itemized, 2026 cycle
How people get to work
Hardin County, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.5%
- Carpooled10.2%
- Public transit1.3%
- Walked3.6%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.2%
- Worked from home2.2%
Average one-way commute: 28.2 minutes for people who do not work from home.
Environment and hazard risk
Hardin County, IL, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: earthquake
Storm events since 1996
558
Most often dense fog
Flood insurance policies
5
0.2% of homes, county
July high / Jan low
86° / 22°F
50.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone3 historic places
Health statistics
Share of adults in Hardin County, IL, CDC PLACES estimates
Obesity
39.7%
U.S. 33.3% +6.4 pts
Diabetes
14.7%
U.S. 12.1% +2.6 pts
Smoking
16.9%
U.S. 12.8% +4.1 pts
Uninsured (18-64)
8.4%
U.S. 11.1% -2.7 pts
Cities, towns and ZIP codes in Hardin County
Population shown
Frequently asked questions
- What is the largest city in Hardin County, IL?
- Rosiclare is the largest city or town in Hardin County, with about 961 residents.
- How many ZIP codes are in Hardin County?
- Hardin County includes 3 ZIP Code Tabulation Areas, including 62919, 62931, 62982.
- What is the population of Hardin County, IL?
- About 3,605 people live in Hardin County, based on American Community Survey 5-year estimates.
- What counties border Hardin County?
- Hardin County borders Saline County, Union County, KY, Crittenden County, KY, Livingston County, KY, Gallatin County, Pope County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023