Le Mars, IA zip code
Le Mars, Iowa uses one zip code: 51031. Most of it is in Plymouth County. Together these zip codes are home to about 13K people.
Zip codes
1
Population
13K
All zips combined
Largest zip
51031
12,808 residents
Zip codes in Le Mars
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 51031 | 12,808 | $76,525 |