Le Mars is a medium-sized city located in the state of Iowa. With a population of 10,674 people and two associated neighborhoods, Le Mars is the 37th largest community in Iowa.

Compared to the rest of the country, citizens of Le Mars spend much less time in their cars: on average, their commute to work is only 16.80 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

The population of Le Mars overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Le Mars, 24.30% have at least a bachelor's degree.

The per capita income in Le Mars in 2022 was $38,065, which is upper middle income relative to Iowa and the nation. This equates to an annual income of $152,260 for a family of four. However, Le Mars contains both very wealthy and poor people as well.

Le Mars is a somewhat ethnically-diverse city. The people who call Le Mars home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Le Mars residents report their race to be White, followed by Black or African-American. Important ancestries of people in Le Mars include German, Irish, Dutch, English, and African.

The most common language spoken in Le Mars is English. Other important languages spoken here include Spanish and German/Yiddish.