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Home values, rents and more in ZIP code 51331 (Arnolds Park, IA)

September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07

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Typical home value
$456,000
Metro: $384,000 · U.S.: $366,000
Home values, past year
−2.0%
Metro: +1.7% · U.S.: +1.2%
Population
935
ACS 2020–24
Median household income
$89,167
Metro: $75,432 · U.S.: $80,734
ZIP codes around 51331, shaded by typical home value513315135151355
  • Under $380k
  • $380k–$410k
  • $410k–$440k
  • $440k–$450k
  • $450k+
  • No data
ZIP codes around 51331, shaded by typical home value (Zillow, ZIP codes). Dashed lines are county borders. 51331 is outlined.

How 51331 compares

The typical home in ZIP code 51331 (Arnolds Park, IA) is worth about $456,000, according to the Zillow Home Value Index for September 2026. Home values in 51331 are 19% above the typical value in the Spirit Lake metro area ($384,000) and 25% above the U.S. typical value ($366,000).

Over the past year, home values in 51331 fell 2.0%, compared with +1.7% in the Spirit Lake metro area and +1.2% nationally.

The median household income is $89,167, against $75,432 in the Spirit Lake metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).

About 935 people live in 51331 (American Community Survey 2020–24).

51331 has the highest typical home value of the 6 ZIP codes in the Spirit Lake metro area and the 9th-highest of 824 in Iowa with Zillow figures.

Part of: Arnolds Park, IA · Dickinson County, IA · Spirit Lake metro area · Iowa

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  • 5- and 10-year price changes
  • Days on market and months of supply
  • Price cuts and sale-to-list ratio
  • Price-to-income and monthly cost to buy
  • Zillow 12-month price forecast
  • Crime rates
  • School test scores
  • Homeowners insurance premiums
  • Commute time to downtown
  • Flood, wildfire and natural hazard risk
  • Property-tax rate
  • 2024 presidential vote
  • Age, education and household make-up
  • Amenities and transit nearby
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Nearby ZIP codes

Sources

Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.

"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.

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