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ZipCityLookup
City Profile

Fairfield, Illinois

Population: 4,883 · 1 ZIP code

Demographics

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

People
Total population
4,883
People
Median age
46.4
Housing
Total households
2,314
Income
Median household income
$41,989
Housing
Total housing units
2,570
Employment
Employment rate
52.3%
Education
Bachelor’s degree or higher
14.8%
Healthcare
Insured population
94.1%
City details
Local time 01:02:15(CT)
LocationFairfield, IL
Population (ZIP areas)8,467(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyWayne
Area code
618730
TimezoneCentral Time (CT)
Coordinates38.3651795, -88.3577243
Land area163.9 sq miles(424,570,803 m²)

Map of Fairfield, Illinois with ZIP codes

Map of Fairfield, Illinois and ZIP codes

ZIP Codes in Fairfield

Explore the ZIP codes that make up Fairfield. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
62837Standard$50,5368,467

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

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Fairfield, IL.

Barnhill, ILGeff, ILGolden Gate, ILSims, ILBurnt Prairie, ILEllery, ILMill Shoals, ILCisne, IL

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