Williamson County

Illinois · Population: 66,706 · Official website

Williamson County, Illinois

Congressional representation for Williamson County, Illinois.

Congressional Districts

	District	Representative	Party
	IL-12	Mike Bost	Republican

ZIP Codes

ZIP Code	Congressional District
62841	IL-12
62890	IL-12
62896	IL-12
62901	IL-12
62902	IL-12
62915	IL-12
62917	IL-12
62918	IL-12
62921	IL-12
62922	IL-12
62924	IL-12
62933	IL-12
62939	IL-12
62948	IL-12
62949	IL-12
62951	IL-12
62958	IL-12
62959	IL-12
62974	IL-12
62987	IL-12