There are 54 zip codes in Hamilton County, Ohio. The most populated is 45238, located in Cincinnati. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
45238Cincinnati47,154
45231Cincinnati41,466
45211Cincinnati37,303
45215Cincinnati31,006
45239Cincinnati29,506
45240Cincinnati29,219
45244Cincinnati28,702
45230Cincinnati27,437
45236Cincinnati24,504
45247Cincinnati24,072
45248Cincinnati24,051
45241Cincinnati23,727
45237Cincinnati22,067
45255Cincinnati22,012
45242Cincinnati21,990
45212Cincinnati21,335
45030Harrison21,196
45224Cincinnati20,915
45251Cincinnati20,834
45219Cincinnati19,505
45205Cincinnati19,087
45227Cincinnati18,801
45208Cincinnati17,911
45202Cincinnati16,259
45243Cincinnati16,034
45233Cincinnati14,976
45220Cincinnati14,651
45249Cincinnati14,075
45002Cleves14,068
45229Cincinnati13,453
45246Cincinnati13,323
45223Cincinnati12,556
45213Cincinnati11,673
45206Cincinnati10,689
45209Cincinnati10,408
45225Cincinnati9,414
45214Cincinnati8,965
45216Cincinnati8,900
45232Cincinnati8,805
45204Cincinnati7,271
45207Cincinnati6,801
45217Cincinnati6,096
45226Cincinnati5,858
45252Cincinnati5,287
45052North Bend4,179
45218Cincinnati3,838
45203Cincinnati2,498
45174Terrace Park2,165
45001Addyston896
45033Hooven512
45051Mount Saint Joseph388
45111Camp Dennison363
45041Miamitown136
45267Cincinnati4
showing: 54 rows

Hamilton County, Ohio Zip Codes by Population (2024)