County ProfileIL
Hardin County
Population: 3,649 · 3 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
3,649
People
Median age
53.6
Housing
Total households
1,545
Income
Median household income
$54,271
Housing
Total housing units
2,337
Employment
Employment rate
40%
Education
Bachelor’s degree or higher
13.3%
Healthcare
Insured population
96.3%
County details
Local time 01:07:33(CT)| Name | Hardin |
|---|---|
| Total ZIP codes | 3total |
| ZIP codes (by type) | 3 Standard |
| Area code | 618, 730 |
| Timezone | Central Time (CT) |
| Coordinates | 37.5178517, -88.2661478 |
| Land area | 177.4 sq miles(459.4 km²) |
Map of Hardin county, Illinois with ZIP codes
Cities and Communities in Hardin County
Compare the largest cities in Hardin County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Rosiclare | 980 | $43,725 | 1ZIPs |
| Cave in Rock | 228 | $29,250 | 1ZIPs |
| Elizabethtown | 220 | $23,077 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Hardin County
Review the most populated postal areas across Hardin County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 62931 | Elizabethtown | $49,605 | 1,237 |
| 62982 | Rosiclare | $43,750 | 1,156 |
| 62919 | Cave in Rock | $63,942 | 768 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS