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Zip Code 51355 — Okoboji, IA

51355 is a ZIP Code associated with Okoboji, IA, located within Dickinson. The postal region supports an estimated population of 1,048 residents across Data Pending housing units, with a population density of 159.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.389960, -95.140820)

Data MetricLocal Statistic
Postal / Zip Code51355
Primary CityOkoboji
State / ProvinceIA
CountyDickinson
Total Population1,048
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density159.3 people/sq mi
TimezoneAmerica/Chicago

How 51355 Compares

MetricZIP 51355Dickinson CountyIA State Average
Population1,04818,0083,210,984
Median IncomeData PendingN/AN/A
Population Density159.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51331Arnolds Park1.8 mi935N/A
Zip 51360Spirit Lake4.2 mi8,653N/A
Zip 51351Milford5.6 mi4,988N/A
Zip 51347Lake Park9.0 mi1,470N/A
Zip 51363Superior10.2 mi111N/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 →