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County ProfileIA

Dickinson County

Population: 17,703 · 7 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
17,703
People
Median age
48.7
Housing
Total households
8,845
Income
Median household income
$75,432
Housing
Total housing units
14,206
Employment
Employment rate
62.5%
Education
Bachelor’s degree or higher
31.2%
Healthcare
Insured population
97.4%
County details
Local time 02:17:52(CT)
NameDickinson
Total ZIP codes7total
ZIP codes (by type)
6 Standard1 PO Box
Area code712
TimezoneCentral Time (CT)
Coordinates43.3896107, -95.1960572
Land area380.5 sq miles(985.6 km²)

Map of Dickinson county, Iowa with ZIP codes

Map of Dickinson County, Iowa and ZIP codes

Cities and Communities in Dickinson County

Compare the largest cities in Dickinson County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Spirit Lake5,439$65,7201ZIPs
Milford3,321$63,3691ZIPs
Lake Park1,167$74,5001ZIPs
Arnolds Park1,110$86,8331ZIPs
Okoboji768$73,0001ZIPs
Terril334$43,8891ZIPs
Superior132$75,6251ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Dickinson County

Review the most populated postal areas across Dickinson County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
51360Spirit Lake$75,8828,553
51351Milford$73,8244,844
51347Lake Park$82,7501,489
51331Arnolds Park$89,1671,102
51355Okoboji$72,262847
51364Terril$66,875616
51363Superior$75,625132

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS