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County ProfileIL

Coles County

Population: 46,863 · 7 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
46,863
People
Median age
37.5
Housing
Total households
20,824
Income
Median household income
$56,478
Housing
Total housing units
22,681
Employment
Employment rate
57%
Education
Bachelor’s degree or higher
26.9%
Healthcare
Insured population
92.9%
County details
Local time 01:06:41(CT)
NameColes
Total ZIP codes7total
ZIP codes (by type)
7 Standard
Area code217, 447
TimezoneCentral Time (CT)
Coordinates39.5136797, -88.220782
Land area508.3 sq miles(1,316.4 km²)

Map of Coles county, Illinois with ZIP codes

Map of Coles County, Illinois and ZIP codes

Cities and Communities in Coles County

Compare the largest cities in Coles County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Charleston17,286$49,3001ZIPs
Mattoon16,870$51,5971ZIPs
Oakland739$50,8481ZIPs
Ashmore637$56,6151ZIPs
Humboldt361$59,0631ZIPs
Lerna226$67,6791ZIPs
Trilla156$123,1251ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Coles County

Review the most populated postal areas across Coles County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
61920Charleston$52,42920,847
61938Mattoon$57,50320,768
61943Oakland$54,1961,438
61912Ashmore$74,9541,143
62440Lerna$79,6051,121
61931Humboldt$74,1251,075
62469Trilla$116,440472

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