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County ProfileIL

Shelby County

Population: 20,990 · 11 ZIP codes

Demographics

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

People
Total population
20,990
People
Median age
45.3
Housing
Total households
8,918
Income
Median household income
$72,095
Housing
Total housing units
10,060
Employment
Employment rate
59.5%
Education
Bachelor’s degree or higher
18.3%
Healthcare
Insured population
95.6%
County details
Local time 02:16:27(CT)
NameShelby
Total ZIP codes11total
ZIP codes (by type)
11 Standard
Area code217, 447, 618, 730
TimezoneCentral Time (CT)
Coordinates39.3849162, -88.7988651
Land area758.5 sq miles(1,964.5 km²)

Map of Shelby county, Illinois with ZIP codes

Map of Shelby County, Illinois and ZIP codes

Cities and Communities in Shelby County

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

CityPopulation
Median incomeHousehold
ZIP codes
Shelbyville4,674$52,4701ZIPs
Moweaqua1,764$69,6251ZIPs
Stewardson721$61,8751ZIPs
Findlay664$55,4171ZIPs
Strasburg531$64,2191ZIPs
Cowden515$62,0311ZIPs
Tower Hill485$53,3521ZIPs
Mode3651ZIPs
Herrick358$53,7501ZIPs
Sigel329$85,6251ZIPs
Oconee141$74,7501ZIPs

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

ZIP Codes in Shelby County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
62565Shelbyville$66,4987,477
62550Moweaqua$73,6342,708
62571Tower Hill$79,3901,242
62463Stewardson$58,2141,184
62462Sigel$102,7081,103
62534Findlay$68,7501,066
62431Herrick$64,9041,043
62422Cowden$75,0741,041
62465Strasburg$84,286921
62553Oconee$92,083474
62444Mode$62,358365

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