Le Mars, Iowa
| Le Mars, Iowa | |
|---|---|
| Downtown Le Mars | |
| Nickname: "Ice Cream Capital Of The World" | |
| Location of Le Mars within Plymouth County and Iowa | |
| U.S. Census Map | |
| Coordinates: 42°46′28″N 96°11′23″W / 42.77444°N 96.18972°W | |
| Country | USA | 
| State | Iowa | 
| County | Plymouth | 
| Government | |
| • Type | Mayor-council | 
| Area | |
|  • Total | 8.55 sq mi (22.14 km2) | 
| • Land | 8.54 sq mi (22.12 km2) | 
| • Water | 0.01 sq mi (0.03 km2) | 
| Elevation | 1,237 ft (377 m) | 
| Population  (2020) | |
|  • Total | 10,571 | 
| • Density | 1,238.26/sq mi (478.10/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP code | 51031 | 
| Area code | 712 | 
| FIPS code | 19-44400 | 
| GNIS feature ID | 2395655 | 
| Website | lemarsiowa.com | 
Le Mars /ləˈmɑːrz/ is a city and the county seat of Plymouth County, Iowa, United States. It is located on the Floyd River northeast of Sioux City. The population was 10,571 at the time of the 2020 census. Le Mars is located within America Township and is part of the Sioux City metropolitan area.