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ZIP CODE TABULATION AREA

51645

Iowa · 419 residents · 45.1 sq mi
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With 419 people, ZIP 51645 is a ZIP code in Fremont County. That is roughly 204% ahead of the Fremont County median. Median household income runs $217,898, well clear of the $82,259 US median. 98% of homes are owner-occupied. The median age is 49.3, about 10 years above the US median. 51% of adults hold a bachelor's degree, against 36% nationally. Among the 9 ZIP codes in Fremont County, 51645 ranks 1st by median household income.

$217,898
US average: $82,259
$56,899
US average: $44,673
51.2%
US average: 35.6%
Land area
45.1 sq mi
Age, sex & households
Under 18
23.6%
Age 65+
9.5%
66.1%
33.9%
3.35 people
Race & ethnicity · 2024
2024
White, non-Hispanic98.1%(411)
Black0%(0)
Hispanic / Latino1.9%(8)
Asian0%(0)
Other0%(0)
5
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Within Fremont County
Income rank vs other ZIPs
LOWEST1ST OF 9HIGHEST
Adjacent ZIPs
51639$84,688
51640$65,385
51648$59,766
51649$58,333
Frequently asked

How many people live in ZIP code 51645?

ZIP code 51645 has about 419 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 51645?

The typical household in ZIP code 51645 earns about $217,898 a year. Half of households make more than that, and half make less.

How educated are people in ZIP code 51645?

About 51.2% of adults age 25 and over in ZIP code 51645 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 51645?

About 0.5% of people in ZIP code 51645 live below the federal poverty line.

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