ZIP codes in Cherokee County
15 ZIPs touch Cherokee County, Iowa. The blue dashed line is the county border; orange ZIPs reach into it.
15
ZIP codes
11
cross the county line
20,367
people in these ZIPs
99
counties in IA
Most people
Cherokee County ZIP list
More counties in Iowa
- Butler County18
- Calhoun County15
- Carroll County17
- Cass County13
- Cedar County18
- Cerro Gordo County18
- Chickasaw County10
- Clarke County9
- Clay County17
- Clayton County24
- Clinton County24
- Crawford County21
Questions people actually ask
How many ZIP codes are in Cherokee County, Iowa?
15 ZIP codes reach into Cherokee County. 11 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Cherokee County has the most people?
51012 (Cherokee) has about 6,311 residents, the most of any ZIP touching Cherokee County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Cherokee County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Cherokee County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
Keep exploring
Updated 2026-11-10 · Where the data comes from