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ZIP CODE TABULATION AREA

51331

Iowa · 935 residents · 1.605 sq mi
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ZIP 51331 has roughly average household income, with a median household income of $89,167. Population has held roughly steady since 2024. Median home value is $448,800. With a median age of 64.8, the population is older than the US median of 38.9. Poverty is rare here, at 5.8% of residents. Among the 7 ZIP codes in Dickinson County, 51331 ranks 1st by median household income.

$89,167
US average: $82,259
$448,800
US average: $376,019
40.7%
US average: 35.6%
Age, sex & households
Under 18
6.6%
Age 65+
49.1%
47.3%
52.7%
1.79 people
Race & ethnicity · 2024
2024
White, non-Hispanic97.9%(915)
Black0%(0)
Hispanic / Latino0.7%(7)
Asian0%(0)
Other1.4%(13)
Diversity Score5.3%(49)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Dickinson County
Income rank vs other ZIPs
LOWEST1ST OF 7HIGHEST
Adjacent ZIPs
51347$82,750
51351$73,824
51355$72,262
51360$75,882
Frequently asked

How many people live in ZIP code 51331?

ZIP code 51331 has about 935 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 51331?

The typical household in ZIP code 51331 earns about $89,167 a year. Half of households make more than that, and half make less.

Is ZIP code 51331 expensive?

In ZIP code 51331, the median home is worth about $448,800, and the typical rent is about $497 a month.

How educated are people in ZIP code 51331?

About 40.7% of adults age 25 and over in ZIP code 51331 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 51331?

About 5.8% of people in ZIP code 51331 live below the federal poverty line.

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Containing area
Dickinson County
Other ZIP codes in Dickinson County
ZIP 51360ZIP 51351ZIP 51347ZIP 51355ZIP 51364ZIP 51363

DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024