Island Lake demographics profile

StatisticIsland LakeIllinoisNational
Population density (sq mi)2,39922291
Median age38.837.437.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)57%55%55%
Families w/ Kids under 1848%44%43%
Speak English85%77%79%
Speak Spanish10%13%13%
Island Lake, IL has a population of 8,025 and is the 4,669th largest city in the United States. The population density is 2,399 per sq mi which is 979% higher than the Illinois average and 2548% higher than the national average. The median age in Island Lake is 39 which is approximately 4% higher than the Illinois average of 37. In Island Lake, 57% of the population over 15 years of age are married, 85% speak English and 10% speak Spanish. 76% of Island Lake residents were born in Illinois, 14% were born out of state, 0% were born outside of the United States and 9% were foreign born.

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Did you know?

  • The population density in Island Lake is 979% higher than Illinois.
  • The median age in Island Lake is 4% higher than Illinois.
  • In Island Lake 94.09% of the population is White.
  • In Island Lake 0.37% of the population is Black or African American.
  • In Island Lake 1.20% of the population is Asian.

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Island Lake population breakdown by race

RaceIsland LakeIllinoisNational
Black or African American0.37%14.30%12.63%
American Indian0.00%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race3.09%2.34%3.06%
Other race1.25%5.86%4.75%
In Island Lake, 13.9% 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

Island Lake age breakdown

Marital status

Age of children in married couples

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