Population density (sq mi)1,96722891
Median age40.937.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)65%55%55%
Families w/ Kids under 1853%44%43%
Speak English98%77%79%
Speak Spanish0%13%13%

Key findings

  • The population density in Colfax is 763% higher than Illinois
  • The median age in Colfax is 9% higher than Illinois
  • In Colfax 94.26% of the population is White
  • In Colfax 0.28% of the population is Black
  • In Colfax 0.00% of the population is Asian

Compare Colfax, IL Demographics


      Colfax population breakdown by race

      American Indian0.19%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race5.27%2.34%3.06%
      Other race0.00%5.86%4.75%
      In Colfax, 0.6% 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

      Colfax age breakdown

      Marital status

      Age of children in married couples

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