Knox County Post Offices

123 W Meek St
Abingdon, Illinois 61410

111 S Depot St
Altona, Illinois 61414

1453 Knox Highway 15
Dahinda, Illinois 61428

407 1/2 S State St
East Galesburg, Illinois 61430

476 E Main St Ste A
Galesburg, Illinois 61401

1016 Moss St
Gilson, Illinois 61436

206 N Main St
Henderson, Illinois 61439

121 N Public Sq
Knoxville, Illinois 61448

300 Main St
Maquon, Illinois 61458

126 E Holmes St
Oneida, Illinois 61467

110 E Center Ave
Rio, Illinois 61472

34 N Main St
Saint Augustine, Illinois 61474

229 Main St
Victoria, Illinois 61485

140 S Main St
Wataga, Illinois 61488

107 E Gale St
Williamsfield, Illinois 61489

109 W Main St
Yates City, Illinois 61572

Knox County

There are 16 US Post Offices in Knox County serving a total of 52,869 residents equating to 3,304 residents per post office. It's estimated that approximately 84,385 packages are handled across the 16 county post offices annually. Knox County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 52,919. Its county seat is Galesburg. Knox County comprises the Galesburg, IL Micropolitan Statistical Area."