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Le Mars, IA Demographics & ZIP Codes
Le Mars, Iowa demographics and median household income by ZIP code (in Plymouth County) — 1 ZIP codes — population 12,785 — median income $74,978 — avg. home value $208,900. Compare income, housing, and population across ZIP codes on US5.
Population
12,785
Median household income (avg.)
$74,978
100% of U.S. median
Average home value
$208,900
60% of U.S. median
Average rent
$721
62% of U.S. median
Median age (avg.)
39.0
Le Mars demographics
Le Mars, Iowa covers 1 ZIP code primarily in Plymouth County, with a combined ZIP-area population of about 12,785.
Across ZIP codes with age data, the average median age is about 39.0 years.
Median household income in Le Mars
The average median household income across ZIP codes in Le Mars, Iowa is about $74,978 — about even with the IA ZIP average ($74,194), and about even with the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $74,978 in 51031.
Housing in Le Mars
For housing in Le Mars, Iowa, the average median home value is about $208,900 and the average median rent is about $721.
The most populous ZIP in this set is 51031 (about 12,785 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Le Mars
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 51031 | Le Mars | Plymouth County | IA | 12,785 | $74,978 | $208,900 |
Frequently asked questions
What are the demographics of Le Mars?
Le Mars, Iowa has a combined ZIP-area population of about 12,785 across 1 ZIP codes (primarily Plymouth County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Le Mars?
The average median household income across ZIP codes in Le Mars, Iowa is about $74,978, roughly in line with the state ZIP average ($74,194), and near the U.S. median ($75,149). Average median home value is about $208,900.
How many ZIP codes are in Le Mars?
Le Mars, Iowa includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Le Mars?
This page lists ZIP codes in Le Mars, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.