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ZIP CODE TABULATION AREA

51242

Iowa · 379 residents · 5.446 sq mi
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ZIP 51242 is wealthier than most US places, with a median household income of $95,625. Population has held roughly steady since 2024. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $190,900. Poverty is rare here, at 1.3% of residents. Among the 8 ZIP codes in Lyon County, 51242 ranks 1st by median household income.

$95,625
US average: $82,259
$190,900
US average: $376,019
20.5%
US average: 35.6%
Age, sex & households
Under 18
24.5%
Age 65+
19.5%
45.6%
54.4%
2.98 people
Race & ethnicity · 2024
2024
White, non-Hispanic86.8%(329)
Black0%(0)
Hispanic / Latino10.8%(41)
Asian1.1%(4)
Other1.3%(5)
Diversity Score29.3%(111)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Lyon County
Income rank vs other ZIPs
LOWEST1ST OF 8HIGHEST
Adjacent ZIPs
51230$75,625
51235$71,016
51237$61,667
51240$83,929
Frequently asked

How many people live in ZIP code 51242?

ZIP code 51242 has about 379 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 51242?

The typical household in ZIP code 51242 earns about $95,625 a year. Half of households make more than that, and half make less.

Is ZIP code 51242 expensive?

In ZIP code 51242, the median home is worth about $190,900.

How educated are people in ZIP code 51242?

About 20.5% of adults age 25 and over in ZIP code 51242 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 51242?

About 1.3% of people in ZIP code 51242 live below the federal poverty line.

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