Le Mars, IA ZIP Codes

One ZIP code serves Le Mars, Iowa: 51031. Together they are home to 12,808 residents in 5,217 households.

Le Mars city limits (Census)

MeasureCensus figure
Residents10,640
Households4,342
Median household income$74,701
Median home value$219,200
Median age39
Median rent$929

All 1 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)12,808
Households (sum of ZIP codes)5,217
Median household income, range across ZIP codes$76,525 (51031) to $76,525 (51031)
Household-weighted average of ZIP medians (an approximation, not a true median)$76,525
Homeowners65.1%
Households with kids under 1831.8%
Moved in the past year9.9%
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Every ZIP code in Le Mars

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
51031Le Mars12,8085,217$76,525$222,80065.1%31.8%9.9%——4% of its land; mailing city

A ZIP code is listed for Le Mars when at least 10% of its land lies inside Le Mars city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Le Mars. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Le Mars.

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Frequently asked questions

What ZIP codes are in Le Mars, IA?
51031. A ZIP code is listed for Le Mars when at least 10% of its land lies inside Le Mars city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Le Mars.
What is the population of Le Mars, IA?
The Census Bureau counts 10,640 residents inside Le Mars city limits (ACS 2020–2024). The 1 ZIP code that serve Le Mars hold 12,808 residents in all.
What is the median household income in Le Mars, IA?
$74,701 inside Le Mars city limits, per the Census Bureau. Across its ZIP codes the medians run from $76,525 to $76,525.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.