Buffalo Grove Flag

Buffalo Grove

County:
Lake County
County Seat:
No
Area (mi²):
9.559
State:
Illinois

Buffalo Grove is a village located in Lake County, Illinois. Buffalo Grove has a 2025 population of 42,080. Buffalo Grove is currently declining at a rate of -0.48% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 43,085 in 2020.

The average household income in Buffalo Grove is $158,813 with a poverty rate of 6.54%.The median age in Buffalo Grove is 42.1 years: 42.2 years for males, and 42.1 years for females.

42.1K
Total Population
4,402
Density (mi²)
-201 -0.48%
Growth

Buffalo Grove Population

Buffalo Grove Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Buffalo Grove includes 61.56% White, 28.24% Asian, 3.78% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White26,36361.56%
Asian12,09428.24%
Black or African American1,6173.78%
Two or more races1,5233.56%
Other race8822.06%
Native American3050.71%
Native Hawaiian or Pacific Islander400.09%

Buffalo Grove Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Buffalo Grove's average per capita income is $79,852. Household income levels show a median of $129,820. The poverty rate stands at 6.54%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$163,720-
Families$149,457$181,760
Households$129,820$158,813
Non Families$63,638$86,432

$79,852

Average Income

$129,820

Median Household Income

6.54%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)