Hardin County, Illinois
Hardin County, Illinois, has 3,588 residents (July 2025 estimate). Its county seat is Elizabethtown. It uses Central Time and covers 177 sq mi (459 km²) of land.
- Resident population, July 2025
- 3,588
- Land area
- 177 sq mi (459 km²)
- County seat or government
- Elizabethtown
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $54,271 ± $12,264
- Median home value
- $103,800 ± $24,115
- Median rent, with utilities
- $379 ± $116
- Homes lived in by their owners
- 79.5% ± 6.6 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Paducah, KY-IL metro area
- Water area
- 4.05 sq mi (10.5 km²)
- State
- Illinois
- County code (FIPS)
- 17069
- Coordinates (central point)
- 37.517852, -88.266148
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Hardin County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
5 ZIP Code areas overlap Hardin County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Hardin County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Precincts in Hardin County, largest first
- Rosiclare Precinct961 people
- Cave-In-Rock Precinct758 people
- McFarlan Precinct704 people
- Monroe Precinct469 people
- Stone Church Precinct427 people
- Rock Precinct286 people
People counts are American Community Survey 2020–2024 5-year estimates. All precincts in Illinois, by county
School districts in Hardin County, largest first
- Hardin County Community Unit School District 13,605 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Rosiclare, Illinois (city)961 people
- Elizabethtown, Illinois (village)396 people
- Cave-In-Rock, Illinois (village)210 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Crittenden County, Kentucky14 mi southeast
- Pope County, Illinois17 mi southwest
- Gallatin County, Illinois17 mi north
- Union County, Kentucky20 mi northeast
- Livingston County, Kentucky22 mi south
- Saline County, Illinois22 mi northwest
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