Home > IL > Knox County > Galesburg > Zip 61402

Zip Code 61402 — Galesburg, IL

ZIP Code 61402 is associated with Galesburg, IL, in Knox County. The listed population estimate is 1,623; estimated density is 7,509.6 people per square mile. Among records with population estimates, it ranks #4 of 17 in Knox County and #738 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.939930, -90.406270)

Data MetricLocal Statistic
Postal / Zip Code61402
Primary CityGalesburg
State / ProvinceIL
CountyKnox
Total Population1,623
Population Density7,509.6 people/sq mi
TimezoneAmerica/Chicago

How 61402 Compares

MetricZIP 61402Knox County recordsIL records
Population estimate1,62349,261 (sum)12,694,745 (sum)
Population Density7,509.6 /sq mi----
County population rank#4 of 17----
State population rank#738 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 61401Galesburg1.0 mi30,580
ZIP 61430East Galesburg5.0 mi713
ZIP 61423Cameron6.3 mi638
ZIP 61439Henderson6.8 mi299
ZIP 61488Wataga7.7 mi1,084

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 →