Galesburg, IL zip codes
Galesburg, Illinois has 2 zip codes. Most of it is in Knox County. Together these zip codes are home to about 32K people.
Zip codes
2
Population
32K
All zips combined
Largest zip
61401
30,580 residents
Galesburg, Illinois has 2 zip codes. Most of it is in Knox County. Together these zip codes are home to about 32K people.