Spirit Lake, IA micro area ZIP codes
The Spirit Lake, IA micropolitan statistical area (CBSA 44020) covers 1 county in Iowa and 7 ZIP codes.
- ZIP codes
- 7
- Population
- 18,008
- Avg. median income
- $75,900population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Spirit Lake, IA area
ZIP codes in the Spirit Lake, IA area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 51331 | Arnolds Park | Dickinson County | 935 | $89,167 | $456,300 |
| 51347 | Lake Park | Dickinson County | 1,470 | $82,750 | $251,700 |
| 51351 | Milford | Dickinson County | 4,988 | $73,824 | $342,200 |
| 51355 | Okoboji | Dickinson County | 1,048 | $72,262 | $445,400 |
| 51360 | Spirit Lake | Dickinson County | 8,653 | $75,882 | $404,200 |
| 51363 | Superior | Dickinson County | 111 | $75,625 | $82,900 |
| 51364 | Terril | Dickinson County | 803 | $66,875 | $180,600 |
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
Frequently asked questions
How many ZIP codes are in the Spirit Lake, IA micro area?
7 ZIP codes, based on each ZIP code's main county.
Which counties make up the Spirit Lake, IA area?
Dickinson County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).