Buffalo Grove demographics profile

StatisticBuffalo GroveIllinoisNational
Population41,55412,851,684318,558,162
Population density (sq mi)4,38222291
Median age42.437.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)69%55%55%
Families w/ Kids under 1845%44%43%
Speak English63%77%79%
Speak Spanish4%13%13%
Buffalo Grove, IL has a population of 41,554 and is the 986th largest city in the United States. The population density is 4,382 per sq mi which is 1871% higher than the Illinois average and 4736% higher than the national average. The median age in Buffalo Grove is 42 which is approximately 13% higher than the Illinois average of 37. In Buffalo Grove, 69% of the population over 15 years of age are married, 63% speak English and 4% speak Spanish. 53% of Buffalo Grove residents were born in Illinois, 16% were born out of state, 1% were born outside of the United States and 31% were foreign born.

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Did you know?

  • The population density in Buffalo Grove is 1871% higher than Illinois.
  • The median age in Buffalo Grove is 13% higher than Illinois.
  • In Buffalo Grove 74.82% of the population is White.
  • In Buffalo Grove 2.28% of the population is Black or African American.
  • In Buffalo Grove 19.36% of the population is Asian.

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Compare Buffalo Grove, IL Demographics To Other Cities

Buffalo Grove population breakdown by race

RaceBuffalo GroveIllinoisNational
White74.82%72.14%73.35%
Black or African American2.28%14.30%12.63%
Asian19.36%5.10%5.22%
American Indian0.13%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race1.71%2.34%3.06%
Other race1.70%5.86%4.75%
In Buffalo Grove, 4.8% 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

Buffalo Grove age breakdown

Marital status

Age of children in married couples

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