Union County

Illinois · Population: 16,667 · Official website

Union County, Illinois

Congressional representation for Union County, Illinois.

Congressional Districts

DistrictRepresentativeParty
Photo of Mike BostIL-12Mike BostRepublican

ZIP Codes

ZIP CodeCongressional District
62905IL-12
62906IL-12
62912IL-12
62920IL-12
62923IL-12
62926IL-12
62952IL-12
62957IL-12
62961IL-12
62998IL-12