Mercer County, Illinois

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

County Statistics

Total Population 14,798
Median Household Income $66,008
Median Age 44.1
Unemployment Rate 3.1%
Poverty Rate 7.7%
ZIP Codes 11

Largest ZIP Codes in Mercer County

ZIP Code City Population Median Income
61231Aledo5,158$59,551
61281Sherrard2,553$82,262
61486Viola1,450$70,000
61272New Boston1,357$57,083
61465New Windsor1,250$55,958

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Mercer County