Home > IL > Knox County > Galesburg > Zip 61401

Zip Code 61401 — Galesburg, IL

61401 is a ZIP Code associated with Galesburg, IL, located within Knox. The postal region supports an estimated population of 30,580 residents across Data Pending housing units, with a population density of 96.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.944510, -90.388880)

Data MetricLocal Statistic
Postal / Zip Code61401
Primary CityGalesburg
State / ProvinceIL
CountyKnox
Total Population30,580
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density96.1 people/sq mi
TimezoneAmerica/Chicago

How 61401 Compares

MetricZIP 61401Knox CountyIL State Average
Population30,58049,26112,694,745
Median IncomeData PendingN/AN/A
Population Density96.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61402Galesburg1.0 mi1,623N/A
Zip 61430East Galesburg4.0 mi713N/A
Zip 61439Henderson6.2 mi299N/A
Zip 61488Wataga6.9 mi1,084N/A
Zip 61423Cameron7.2 mi638N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →