Dickinson County, Iowa ZIP codes
7 ZIP codes are in Dickinson County, plus 3 that cross in from neighboring counties. It's part of the Spirit Lake, IA micro area.
- ZIP codes
- 7
- Population in these ZIPs
- 18,008
- Avg. median income
- $75,900population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Dickinson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 51331 | Arnolds Park | 935 | $89,167 | $456,300 |
| 51347 | Lake Park | 1,470 | $82,750 | $251,700 |
| 51351 | Milford | 4,988 | $73,824 | $342,200 |
| 51355 | Okoboji | 1,048 | $72,262 | $445,400 |
| 51360 | Spirit Lake | 8,653 | $75,882 | $404,200 |
| 51363 | Superior | 111 | $75,625 | $82,900 |
| 51364 | Terril | 803 | $66,875 | $180,600 |
ZIP codes partly in Dickinson County
These ZIP codes are mostly in a neighboring county but cover part of Dickinson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 51334 | Estherville | Emmet County | 6,960 | $57,482 | $146,700 |
| 51338 | Everly | Clay County | 852 | $57,500 | $164,600 |
| 51345 | Harris | Osceola County | 347 | $54,301 | $190,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Dickinson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Dickinson County, Iowa?
7 ZIP codes are mainly in Dickinson County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Dickinson County?
ZIP codes in Dickinson County use the city names Arnolds Park, Lake Park, Milford, Okoboji, Spirit Lake, Superior and Terril.
What metro area is Dickinson County in?
Dickinson County is part of the Spirit Lake, IA micropolitan statistical area.