Population density (sq mi)1,81222891
Median age33.037.437.7
Male/Female ratio0.8:11.0:11.0:1
Married (15yrs & older)35%55%55%
Families w/ Kids under 1845%44%43%
Speak English78%77%79%
Speak Spanish20%13%13%

Key findings

  • The population density in Fairmont is 695% higher than Illinois
  • The median age in Fairmont is 12% lower than Illinois
  • In Fairmont 28.62% of the population is White
  • In Fairmont 46.78% of the population is Black
  • In Fairmont 3.54% of the population is Asian

Compare Fairmont, IL Demographics


      Fairmont population breakdown by race

      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race3.46%2.34%3.06%
      Other race17.61%5.86%4.75%
      In Fairmont, 27.3% 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

      Fairmont age breakdown

      Marital status

      Age of children in married couples

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