Clark County, Illinois

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

County Statistics

Total Population 16,145
Median Household Income $66,775
Median Age 43.4
Unemployment Rate 4.1%
Poverty Rate 10.1%
ZIP Codes 7

Largest ZIP Codes in Clark County

ZIP Code City Population Median Income
62441Marshall6,927$76,681
62420Casey4,082$56,051
62442Martinsville2,540$58,438
62423Dennison843$75,568
62477West Union778$54,375

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Clark County