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ZIP code 51331: Arnolds Park, IA

51331 is a ZIP code in Arnolds Park, Iowa, mainly in Dickinson County, part of the Spirit Lake, IA micro area. About 935 people live here.

Population
935
Median household income
$89,167
Typical home value
$456,300-2% in 12 months
Median rent
$497gross, per month
Median age
64.8
Homeowners
89.3%of occupied homes
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Shaded: ZIP code 51331's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 51331 details

CityArnolds Park
StateIowa
CountyDickinson County
Metro areaSpirit Lake, IA
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area1.6 sq mi, plus 0.9 sq mi of water
Population density584 people per sq mi
Bachelor's degree or higher40.7% of adults 25+
Average commute16.8 minutes
Center coordinates43.35956, -95.13082

ZIP codes near 51331

ZIP codeCityDistancePopulation
51355Okoboji, IA2.1 mi1,048
51351Milford, IA4.1 mi4,988
51360Spirit Lake, IA5.6 mi8,653
51340Fostoria, IA8.3 mi75
51364Terril, IA9.4 mi803
51347Lake Park, IA10.4 mi1,470
51363Superior, IA10.6 mi111
51338Everly, IA14.2 mi852

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

Buying a home in 51331?

A typical home in ZIP code 51331 is worth about $456,300 (Zillow Home Value Index). The median household here earns $89,167 a year. See what buying here would cost per month, with Iowa average taxes and insurance filled in.

Monthly payment for a $456,300 homeWhat can a $89,167 income afford?Rental property numbers

About ZIP code 51331

What city is ZIP code 51331?

ZIP code 51331 is in Arnolds Park, IA, in Dickinson County.

What county is ZIP code 51331 in?

51331 is mainly in Dickinson County, Iowa.

What is the population of ZIP code 51331?

About 935 people live in ZIP code 51331, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 51331 in?

51331 is in Central Time (UTC−6). It observes daylight saving time.