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City Profile

Galesburg, Illinois

Population: 30,052 · 2 ZIP codes

Demographics

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

People
Total population
30,052
People
Median age
40.8
Housing
Total households
12,628
Income
Median household income
$48,297
Housing
Total housing units
14,156
Employment
Employment rate
48.9%
Education
Bachelor’s degree or higher
19.7%
Healthcare
Insured population
94.3%
City details
Local time 03:49:32(CT)
LocationGalesburg, IL
Population (ZIP areas)32,758(sum of local ZIP code populations)
Total ZIP codes2total
ZIP codes (by type)
1 Standard1 PO Box
CountyKnox
Area code
TimezoneCentral Time (CT)
Coordinates40.94517512052331, -90.38658002434357
Land area123 sq miles(318,563,839 m²)

Map of Galesburg, Illinois with ZIP codes

Map of Galesburg, Illinois and ZIP codes

ZIP Codes in Galesburg

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

ZIPType
Median incomeHousehold
Population (ZIP)
61401Standard$50,54631,169
61402PO BOX1,589

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 Galesburg, 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