Population density (sq mi)2,33722891
Median age37.737.437.7
Male/Female ratio0.8:11.0:11.0:1
Married (15yrs & older)40%55%55%
Families w/ Kids under 1840%44%43%
Speak English92%77%79%
Speak Spanish7%13%13%

Key findings

  • The population density in Markham is 925% higher than Illinois
  • The median age in Markham is 1% higher than Illinois
  • In Markham 13.34% of the population is White
  • In Markham 81.55% of the population is Black
  • In Markham 0.84% of the population is Asian

Compare Markham, IL Demographics


      Markham population breakdown by race

      American Indian0.12%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race1.09%2.34%3.06%
      Other race3.06%5.86%4.75%
      In Markham, 8.5% 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

      Markham age breakdown

      Marital status

      Age of children in married couples

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