Home > IA > Dickinson County > Arnolds Park > Zip 51331

Zip Code 51331 — Arnolds Park, IA

51331 is a ZIP Code associated with Arnolds Park, IA, located within Dickinson. The postal region supports an estimated population of 935 residents across Data Pending housing units, with a population density of 225.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.364310, -95.130280)

Data MetricLocal Statistic
Postal / Zip Code51331
Primary CityArnolds Park
State / ProvinceIA
CountyDickinson
Total Population935
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density225.0 people/sq mi
TimezoneAmerica/Chicago

How 51331 Compares

MetricZIP 51331Dickinson CountyIA State Average
Population93518,0083,210,984
Median IncomeData PendingN/AN/A
Population Density225.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51355Okoboji1.8 mi1,048N/A
Zip 51351Milford4.3 mi4,988N/A
Zip 51360Spirit Lake5.5 mi8,653N/A
Zip 51340Fostoria8.7 mi75N/A
Zip 51364Terril9.5 mi803N/A

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 →