ZIP codes in Emmet County
7 ZIPs touch Emmet County, Iowa. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
5
cross the county line
11,639
people in these ZIPs
99
counties in IA
Most people
Emmet County ZIP list
More counties in Iowa
- Davis County10
- Decatur County11
- Delaware County17
- Des Moines County12
- Dickinson County10
- Dubuque County22
- Fayette County24
- Floyd County13
- Franklin County19
- Fremont County11
- Greene County14
- Grundy County17
Questions people actually ask
How many ZIP codes are in Emmet County, Iowa?
7 ZIP codes reach into Emmet County. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Emmet County has the most people?
51334 (Estherville) has about 6,960 residents, the most of any ZIP touching Emmet County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Emmet 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 Emmet 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