County ProfileIL
Clinton County
Population: 36,899 · 12 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
36,899
People
Median age
41.5
Housing
Total households
14,570
Income
Median household income
$86,588
Housing
Total housing units
15,765
Employment
Employment rate
60.5%
Education
Bachelor’s degree or higher
25.9%
Healthcare
Insured population
95.2%
County details
Local time 01:05:32(CT)| Name | Clinton |
|---|---|
| Total ZIP codes | 12total |
| ZIP codes (by type) | 9 Standard3 PO Box |
| Area code | 618, 730 |
| Timezone | Central Time (CT) |
| Coordinates | 38.6062953, -89.4262278 |
| Land area | 473.9 sq miles(1,227.5 km²) |
Map of Clinton county, Illinois with ZIP codes
Cities and Communities in Clinton County
Compare the largest cities in Clinton 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 |
|---|---|---|---|
| Breese | 4,641 | $85,222 | 1ZIPs |
| New Baden | 3,428 | $81,393 | 1ZIPs |
| Carlyle | 3,253 | $77,273 | 1ZIPs |
| Trenton | 2,690 | $80,795 | 1ZIPs |
| Aviston | 2,340 | $117,875 | 1ZIPs |
| Germantown | 1,324 | $92,083 | 1ZIPs |
| Albers | 1,121 | $109,583 | 1ZIPs |
| Beckemeyer | 923 | $63,603 | 1ZIPs |
| Bartelso | 635 | $90,000 | 1ZIPs |
| Hoffman | 439 | $66,667 | 1ZIPs |
| New Memphis | 248 | — | 1ZIPs |
| Huey | 160 | $43,500 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Clinton County
Review the most populated postal areas across Clinton County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 62231 | Carlyle | $84,214 | 7,171 |
| 62230 | Breese | $91,350 | 6,414 |
| 62293 | Trenton | $98,155 | 4,562 |
| 62265 | New Baden | $84,853 | 4,446 |
| 62216 | Aviston | $120,139 | 3,019 |
| 62215 | Albers | $107,727 | 1,877 |
| 62245 | Germantown | $91,767 | 1,815 |
| 62218 | Bartelso | $91,250 | 1,566 |
| 62219 | Beckemeyer | $63,603 | 934 |
| 62250 | Hoffman | $66,667 | 439 |
| 62266 | New Memphis | $52,917 | 248 |
| 62252 | Huey | — | — |
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