Knollwood demographics profile

Population density (sq mi)2,86422291
Median age40.037.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)54%55%55%
Families w/ Kids under 1841%44%43%
Speak English75%77%79%
Speak Spanish16%13%13%
Knollwood, IL has a population of 1,729 and is the 11,889th largest city in the United States. The population density is 2,864 per sq mi which is 1188% higher than the Illinois average and 3061% higher than the national average. The median age in Knollwood is 40 which is approximately 7% higher than the Illinois average of 37. In Knollwood, 54% of the population over 15 years of age are married, 75% speak English and 16% speak Spanish. 67% of Knollwood residents were born in Illinois, 18% were born out of state, 2% were born outside of the United States and 13% were foreign born.
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Did you know?

  • The population density in Knollwood is 1188% higher than Illinois.
  • The median age in Knollwood is 7% higher than Illinois.
  • In Knollwood 90.34% of the population is White.
  • In Knollwood 1.04% of the population is Black or African American.
  • In Knollwood 2.78% of the population is Asian.

Compare Knollwood, IL Demographics To Other Cities

Knollwood population breakdown by race

Black or African American1.04%14.30%12.63%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race3.35%2.34%3.06%
Other race2.49%5.86%4.75%
In Knollwood, 23.7% 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

Knollwood age breakdown

Marital status

Age of children in married couples

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