Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: September 1, 2022

ZIP Codes for City of Galesburg, IL

Galesburg, IL Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 61401StandardKnox34,788309
ZIP Code 61402P.O. BoxKnox0309

Timezone(s):Central (GMT -06:00)
Counties:KNOX, IL
Population:32,195 (More Details)
Male Population:16,246
Female Population:15,949
Median Age:40
ZIP Codes:2
Area Codes:1
Total Area:720 square miles (county)
Land Area:716 square miles (county)
Water Area:3 square miles (county)

Galesburg, IL Demographic Information *

Total population32,195
Male population16,246
Female population15,949
Median age (years)39.7
White Population26,121
Black Population3,698
Indian Population80
Asian Population290
Hawaiian Population9
Hispanic Population2,237
Median age (Male)37.1
Median age (Female)42.8
Total households13,008
Family households (families)7,236
Average household size2.19
Average family size2.86
Total housing units14,280
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 9/1/2022],
  2. Internal Data Creation [Last Updated: 9/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],