StatisticAlgonquinIllinoisNational
Population30,41312,671,821328,239,523
Population density (sq mi)2,48222891
Median age39.437.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)65%55%55%
Families w/ Kids under 1847%44%43%
Speak English81%77%79%
Speak Spanish5%13%13%

Key findings

  • The population density in Algonquin is 989% higher than Illinois
  • The median age in Algonquin is 5% higher than Illinois
  • In Algonquin 87.27% of the population is White
  • In Algonquin 0.87% of the population is Black
  • In Algonquin 8.44% of the population is Asian

Compare Algonquin, IL Demographics

      vs

      Algonquin population breakdown by race

      RaceAlgonquinIllinoisNational
      White87.27%72.14%73.35%
      Black0.87%14.30%12.63%
      Asian8.44%5.10%5.22%
      American Indian0.02%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race1.98%2.34%3.06%
      Other race1.42%5.86%4.75%
      In Algonquin, 7.2% 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

      Algonquin age breakdown

      Marital status

      Age of children in married couples

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