Sangamon County Illinois is covered by a total of 58 ZIP Codes. There are 9 ZIP Codes in Sangamon County that extend into adjacent counties (Christian County, Logan County, Macon County, Macoupin County, Menard County, Montgomery County, and Morgan County). Of the ZIP codes within or partially within Sangamon County there are 27 Standard ZIP Codes, 24 Unique ZIP Codes and 6 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Sangamon County and can be turned on and off. Each type of postal code can also be turned on and off.