ZIP code 51031
Where is ZIP code 51031?
Le Mars, Iowa
Plymouth County · Standard ZIP code
ZIP code 51031 belongs to Le Mars, Iowa in Plymouth County. 51031 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 712. About 12,808 people live in the 51031 area, where the median household income is $76,525. The closest ZIP codes are 51008 (Brunsville, 4.8 mi west), 51045 (Oyens, 6 mi east) and 51038 (Merrill, 7 mi southwest).
| ZIP code | 51031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Le Mars |
| Also accepted | Struble |
| State | Iowa (IA) |
| County | Plymouth County |
| Time zone | Central Time · now |
| Area code | 712 |
| Coordinates | 42.7962, -96.1704 map |
| 3-digit prefix | 510 |
Population and income in 51031
| Population | 12,808 · higher than 93% of Iowa ZIP codes |
|---|---|
| People per square mile | 55 · higher than 73% of Iowa ZIP codes |
| Median age | 39 years · lower than 72% of Iowa ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $76,525 · higher than 57% of Iowa ZIP codes |
| Income per person | $38,599 |
| Below the poverty line | 8.3% |
| Bachelor’s degree or higher | 22% of adults 25+ |
| Median home value | $222,800 · higher than 79% of Iowa ZIP codes |
| Median rent | $928 a month |
| Housing units | 5,461 |
| Households | 5,217 (2.41 people on average) |
| Owners / renters | 65% / 35% |
| Land area | 234.14 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 51031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 51008 | Brunsville, IA | 4.8 mi W | PO Box only |
| 51045 | Oyens, IA | 6 mi E | PO Box only |
| 51038 | Merrill, IA | 7 mi SW | Standard |
| 51050 | Remsen, IA | 11 mi E | Standard |
| 51036 | Maurice, IA | 11.5 mi N | Standard |
| 51027 | Ireton, IA | 14.1 mi NW | Standard |
| 51003 | Alton, IA | 14.8 mi NE | Standard |
| 51024 | Hinton, IA | 14.9 mi SW | Standard |
| 51028 | Kingsley, IA | 15.7 mi SE | Standard |
| 51041 | Orange City, IA | 16.4 mi N | Standard |
| 51062 | Westfield, IA | 17.7 mi SW | Standard |
| 51001 | Akron, IA | 18 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51031 or measure the distance to another ZIP code.
How to address mail to 51031
123 MAIN ST
LE MARS IA 51031
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts STRUBLE as the city name for 51031. Avoid Lemars: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (51031-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 51031?
- 51031 is a Le Mars, Iowa ZIP code. Struble is also accepted as the city name.
- What county is 51031 in?
- ZIP code 51031 is in Plymouth County, Iowa.
- What time zone is ZIP code 51031 in?
- 51031 is in the Central Time zone (America/Chicago).
- What area code is 51031?
- Phone numbers in ZIP code 51031 use area code 712.
- What is the population of ZIP code 51031?
- About 12,808 people live in ZIP code 51031, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 51031?
- The median household income in 51031 is $76,525 a year, higher than 57% of Iowa ZIP codes.
- What ZIP codes are near 51031?
- The nearest ZIP codes to 51031 are 51008 (Brunsville, 4.8 miles), 51045 (Oyens, 6 miles), 51038 (Merrill, 7 miles) and 51050 (Remsen, 11 miles).