StatisticLe MarsIowaNational
Population density (sq mi)1,0935791
Median age39.438.037.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)62%60%55%
Families w/ Kids under 1847%44%43%
Speak English94%92%79%
Speak Spanish5%4%13%

Key findings

  • The population density in Le Mars is 1817% higher than Iowa
  • The median age in Le Mars is 4% higher than Iowa
  • In Le Mars 92.27% of the population is White
  • In Le Mars 0.89% of the population is Black
  • In Le Mars 0.70% of the population is Asian

Compare Le Mars, IA Demographics


      Le Mars population breakdown by race

      RaceLe MarsIowaNational
      American Indian0.45%0.32%0.82%
      Native Hawaiian0.43%0.08%0.18%
      Mixed race2.02%1.97%3.06%
      Other race3.26%1.27%4.75%
      In Le Mars, 4.6% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Le Mars age breakdown

      Marital status

      Age of children in married couples

      Source: The Le Mars, IA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).