ZIP code 51031: Le Mars, IA
51031 is a ZIP code in Le Mars, Iowa, mainly in Plymouth County, part of the Le Mars, IA micro area. About 12,808 people live here.
- Population
- 12,808
- Median household income
- $76,525
- Typical home value
- $278,500+4.2% in 12 months
- Median rent
- $928gross, per month
- Median age
- 39
- Homeowners
- 65.1%of occupied homes
Shaded: ZIP code 51031's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 51031 details
| City | Le Mars |
|---|---|
| State | Iowa |
| County | Plymouth County (also partly Sioux County) |
| Metro area | Le Mars, IA |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 234.1 sq mi, plus 0 sq mi of water |
| Population density | 55 people per sq mi |
| Bachelor's degree or higher | 21.9% of adults 25+ |
| Average commute | 16.8 minutes |
| Center coordinates | 42.80324, -96.18643 |
Median rent in 51031 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $732/mo |
| 2 bedrooms | $915/mo |
| 3 bedrooms | $1,161/mo |
| 4 bedrooms | $494/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 51031
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 51008 | Brunsville, IA | 4.1 mi | 210 |
| 51045 | Oyens, IA | 6.6 mi | 66 |
| 51038 | Merrill, IA | 9.6 mi | 1,449 |
| 51036 | Maurice, IA | 11.5 mi | 445 |
| 51050 | Remsen, IA | 12.1 mi | 2,962 |
| 51024 | Hinton, IA | 12.8 mi | 2,081 |
| 51027 | Ireton, IA | 13.3 mi | 1,280 |
| 51041 | Orange City, IA | 16.3 mi | 7,324 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 51031?
A typical home in ZIP code 51031 is worth about $278,500 (Zillow Home Value Index). The median household here earns $76,525 a year. See what buying here would cost per month, with Iowa average taxes and insurance filled in.
Monthly payment for a $278,500 homeWhat can a $76,525 income afford?Rental property numbers
About ZIP code 51031
What city is ZIP code 51031?
ZIP code 51031 is in Le Mars, IA, in Plymouth County.
What county is ZIP code 51031 in?
51031 is mainly in Plymouth County, Iowa, and partly in Sioux County.
What is the population of ZIP code 51031?
About 12,808 people live in ZIP code 51031, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 51031 in?
51031 is in Central Time (UTC−6). It observes daylight saving time.