ZIP Code 51031 Map
Census ZIP Code Tabulation Area 51031 in Le Mars, IA (Plymouth County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 51031 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
12,808
Households
5,217
Median household income
$76,525
Median age
39 years
Median home value
$222,800
Median gross rent
$928/mo
Owner-occupied homes
65.1%
Bachelor's degree or higher
21.9%
Below poverty level
8.3%
Land area
234.1 sq mi
Population density
55 / sq mi