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ZIP CODE TABULATION AREA

51340

Iowa · 75 residents · 0.12 sq mi
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ZIP 51340 has roughly average household income, with a median household income of $90,250. Population has held roughly steady since 2024. 18% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $133,800. With a median age of 46.9, the population is older than the US median of 38.9. Households here earn about 38% more than the Clay County median. Among the 9 ZIP codes in Clay County, 51340 ranks 3rd by median household income.

$90,250
US average: $82,259
$133,800
US average: $376,019
17.6%
US average: 35.6%
Age, sex & households
Under 18
9.3%
Age 65+
8.0%
58.7%
41.3%
2.03 people
Race & ethnicity · 2024
2024
White, non-Hispanic89.3%(67)
Black6.7%(5)
Hispanic / Latino0%(0)
Asian0%(0)
Other4%(3)
Diversity Score24.5%(18)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Clay County
Income rank vs other ZIPs
LOWEST3RD OF 9HIGHEST
Adjacent ZIPs
51033$60,625
51047$101,000
51301$63,402
51333$110,833
Frequently asked

How many people live in ZIP code 51340?

ZIP code 51340 has about 75 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 51340?

The typical household in ZIP code 51340 earns about $90,250 a year. Half of households make more than that, and half make less.

Is ZIP code 51340 expensive?

In ZIP code 51340, the median home is worth about $133,800.

How educated are people in ZIP code 51340?

About 17.6% of adults age 25 and over in ZIP code 51340 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 51340?

About 0.0% of people in ZIP code 51340 live below the federal poverty line.

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