Algonquin demographics profile

StatisticAlgonquinIllinoisNational
Population30,41312,851,684318,558,162
Population density (sq mi)2,48222291
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%
Algonquin, IL has a population of 30,413 and is the 1,399th largest city in the United States. The population density is 2,482 per sq mi which is 1017% higher than the Illinois average and 2640% higher than the national average. The median age in Algonquin is 39 which is approximately 5% higher than the Illinois average of 37. In Algonquin, 65% of the population over 15 years of age are married, 81% speak English and 5% speak Spanish. 68% of Algonquin residents were born in Illinois, 18% were born out of state, 1% were born outside of the United States and 13% were foreign born.
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Did you know?

  • The population density in Algonquin is 1017% 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 or African American.
  • In Algonquin 8.44% of the population is Asian.

Compare Algonquin, IL Demographics To Other Cities

Algonquin population breakdown by race

RaceAlgonquinIllinoisNational
White87.27%72.14%73.35%
Black or African American0.87%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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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).
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