Clinton County, Illinois

Browse all ZIP codes in Clinton County, Illinois. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 32,314
Median Household Income $83,126
Median Age 40.7
Unemployment Rate 2.8%
Poverty Rate 5.8%
ZIP Codes 11

Largest ZIP Codes in Clinton County

ZIP Code City Population Median Income
62231Carlyle6,680$76,055
62230Breese6,352$77,639
62265New Baden4,418$76,951
62293Trenton4,392$84,191
62216Aviston2,980$99,821

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Clinton County