Buffalo Grove is a city located in Cook County and Lake County Illinois. Buffalo Grove has a 2024 population of 42,046. Buffalo Grove is currently declining at a rate of -0.62% annually and its population has decreased by -2.43% since the most recent census, which recorded a population of 43,092 in 2020.
The average household income in Buffalo Grove is $157,159 with a poverty rate of 6.18%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Buffalo Grove is 41.6 years, 41.3 years for males, and 41.7 years for females.
According to the most recent ACS, the racial composition of Buffalo Grove was:
White
Asian
Black or African American
Two or more races
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 15,764 | 2.71 | 83.2 | 16.8 |
| Married | 10,292 | 3.22 | 89.1 | 10.9 |
| Non Family | 3,853 | 1.09 | 76.7 | 23.3 |
| Female | 1,143 | 3.48 | 52.9 | 47.1 |
| Male | 476 | 3.03 | 83 | 17 |
3.2
Average Family Size
2.71
Average Household Size
83.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among islander people with a rate of 100%.
The highest rate of bachelors degrees is among islander people with a rate of 100%.
All
Male
Female
$74,656
Average Earnings
$94,164
Average Male
$56,538
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
55.3% of Buffalo Grove residents speak only English, while 44.7% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 23.75% of the population.
rate
6.18%
Overall Poverty Rate
5.3%
Male Poverty Rate
7%
Female Poverty Rate
The race most likely to be in poverty in Buffalo Grove is Black, with 57.39% below the poverty level.
The race least likely to be in poverty in Buffalo Grove is Hispanic, with 3.73% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.76%. Among those working part-time, it was 3.64%, and for those that did not work, the poverty rate was 13.77%.
Married
Widowed
Divorced
Separated
NeverMarried
63.3%
Overall Marriage Rate
66.9%
Male Marriage Rate
59.9%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
1.63%
Veteran Poverty Rate
20.93%
Veteran Disability Rate
LaborForceParticipation
69.5%
Labor Force Participation
67.1%
Employment Rate
3.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
49.6%
Born in Buffalo Grove
64.19%
Native Born
35.81%
Foreign Born
15.07%
Non Citizen
20.73%
Naturalized
64.19% of Buffalo Grove residents were born in the United States, with 49.6% having been born in Illinois. 15.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 40,738 | -262 | -0.64% |
| 2028 | 41,000 | -261 | -0.63% |
| 2027 | 41,261 | -262 | -0.63% |
| 2026 | 41,523 | -261 | -0.62% |
| 2025 | 41,784 | -262 | -0.62% |
| 2024 | 42,046 | -261 | -0.62% |
| 2023 | 42,307 | -262 | -0.62% |
| 2022 | 42,569 | -249 | -0.58% |
| 2021 | 42,818 | -274 | -0.64% |
| 2020 | 43,092 | 2,589 | 6.39% |
| 2019 | 40,503 | -303 | -0.74% |
| 2018 | 40,806 | -356 | -0.86% |
| 2017 | 41,162 | -231 | -0.56% |
| 2016 | 41,393 | -115 | -0.28% |
| 2015 | 41,508 | -199 | -0.48% |
| 2014 | 41,707 | -45 | -0.11% |
| 2013 | 41,752 | 84 | 0.2% |
| 2012 | 41,668 | 8 | 0.02% |
| 2011 | 41,660 | 117 | 0.28% |
| 2010 | 41,543 | -1,366 | -3.18% |
| 2000 | 42,909 | 6,482 | 17.79% |
| 1990 | 36,427 | 14,197 | 63.86% |
| 1980 | 22,230 | 9,897 | 80.25% |
| 1970 | 12,333 | 10,833 | 722.2% |
| 1960 | 1,500 | 0 | 0% |