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ZIP CODE TABULATION AREA

51640

Iowa · 1,381 residents · 115 sq mi
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With 1,381 people, ZIP 51640 is a ZIP code in Fremont County. Four-year degrees are less common here than nationally, at 18% of adults. The typical home is worth $122,900. Owners hold 79% of the housing stock. 0% of residents were born outside the United States. There are 12 people per square mile. Among the 9 ZIP codes in Fremont County, 51640 ranks 6th by median household income.

$65,385
US average: $82,259
$36,780
US average: $44,673
$122,900
US average: $376,019
18.4%
US average: 35.6%
Land area
115 sq mi
Age, sex & households
Under 18
25.0%
Age 65+
22.7%
55.3%
44.7%
2.35 people
Race & ethnicity · 2024
2024
White, non-Hispanic92.8%(1,282)
Black0%(0)
Hispanic / Latino2.8%(38)
Asian0.7%(10)
Other3.7%(51)
17
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
1.9
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Fremont County
Income rank vs other ZIPs
LOWEST6TH OF 9HIGHEST
Adjacent ZIPs
51639$84,688
51645$217,898
51648$59,766
51649$58,333
Frequently asked

How many people live in ZIP code 51640?

ZIP code 51640 has about 1,381 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 51640?

The typical household in ZIP code 51640 earns about $65,385 a year. Half of households make more than that, and half make less.

Is ZIP code 51640 expensive?

In ZIP code 51640, the median home is worth about $122,900, and the typical rent is about $729 a month.

How educated are people in ZIP code 51640?

About 18.4% of adults age 25 and over in ZIP code 51640 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 51640?

About 6.7% of people in ZIP code 51640 live below the federal poverty line.

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