Population density (sq mi)1,82322891
Median age39.737.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)61%55%55%
Families w/ Kids under 1848%44%43%
Speak English87%77%79%
Speak Spanish9%13%13%

Key findings

  • The population density in McHenry is 700% higher than Illinois
  • The median age in McHenry is 6% higher than Illinois
  • In McHenry 92.69% of the population is White
  • In McHenry 0.28% of the population is Black
  • In McHenry 2.59% of the population is Asian

Compare McHenry, IL Demographics


      McHenry population breakdown by race

      American Indian0.30%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race2.67%2.34%3.06%
      Other race1.47%5.86%4.75%
      In McHenry, 13.6% 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

      McHenry age breakdown

      Marital status

      Age of children in married couples

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