📍 View location on OpenStreetMap (43.364310, -95.130280)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 51331 |
| Primary City | Arnolds Park |
| State / Province | IA |
| County | Dickinson |
| Total Population | 935 |
| Population Density | 225.0 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 51331 | Dickinson County records | IA records |
|---|---|---|---|
| Population estimate | 935 | 18,008 (sum) | 3,210,984 (sum) |
| Population Density | 225.0 /sq mi | -- | -- |
| County population rank | #5 of 7 | -- | -- |
| State population rank | #487 of 969 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 51355 | Okoboji | 1.8 mi | 1,048 |
| ZIP 51351 | Milford | 4.3 mi | 4,988 |
| ZIP 51360 | Spirit Lake | 5.5 mi | 8,653 |
| ZIP 51340 | Fostoria | 8.7 mi | 75 |
| ZIP 51364 | Terril | 9.5 mi | 803 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →