St. Clair County, Michigan

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

County Statistics

Total Population 161,761
Median Household Income $76,247
Median Age 44.3
Unemployment Rate 6.5%
Poverty Rate 11.1%
ZIP Codes 21

Largest ZIP Codes in St. Clair County

ZIP Code City Population Median Income
48060Port Huron39,644$48,639
48059Fort Gratiot15,314$77,696
48079Saint Clair12,572$83,841
48001Algonac11,691$63,272
48040Marysville9,973$67,548

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in St. Clair County