 | Calumet City, IL 60409 Post Office Location (s): 1200 Ring Road; Calumet City, IL; 680 Wentworth Ave; Calumet City, IL Year Post Office built: Town(s) Served: Calumet City Acceptable City Names: Calumet City Not Acceptable City Names: Sectional Service Facility: Chicago Southwest (South Suburban) County(ies): Cook Info on Calumet City: Calumet City is located in the southeastern portion of Cook County. It shares a eastern border with the Illinois/Indiana State Line. The 2000 census put the population at about 39,072. Calumet City was originally called West Hammond, until 1924 when the name was changed. |
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