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CITY · 2020 ACS

Buffalo Grove

Illinois · 43,212 residents · 9.559 sq mi
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The short version

Buffalo Grove is significantly wealthier than the US average, with a median household income of $117,921. Population has held roughly steady since 2000. 66% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has risen by half since 2000, reaching $338,400. Poverty is rare here, at 4.9% of residents. Households here earn about 72% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.4
US median: 38.8
More educated
66% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
43,212
+1%since 2000
from 42,909 in 2000
1990 – 2025
Median age
42.4
+13%since 2000
from 37.4 in 2000
US average: 38.8
Population, 1990 – 2024
36K38K40K42K44K1990201020202024Buffalo Grove
202443K
1990201020202024
Age distribution, 2020
Under 54.9%(2,109)
US avg: 5.6%
5 to 96.7%(2,903)
US avg: 6.1%
10 to 147.2%(3,096)
US avg: 6.5%
15 to 196.5%(2,818)
US avg: 6.6%
20 to 244.2%(1,809)
US avg: 6.7%
25 to 349.3%(3,998)
US avg: 13.5%
35 to 4415.2%(6,558)
US avg: 12.7%
45 to 5414.4%(6,230)
US avg: 12.3%
55 to 6414.5%(6,254)
US avg: 13.1%
65 to 7410.7%(4,618)
US avg: 10%
75 to 844.5%(1,940)
US avg: 4.9%
85 and over2%(879)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$117,921
−3%inflation adjusted, since 2000
from $80,525 in 2000
US average: $66,278
1990 – 2024
Per capita income
$53,787
+47%since 2000
from $36,696 in 2000
US average: $35,364
Households earning $100K+
69.3%
+11.3 ptssince 2009
from 58.1% in 2009
US average: 43.9%
Poverty rate
4.9%
+2.7 ptssince 2000
from 2.3% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade12.5%
US avg: 10%
Other services11.6%
US avg: 6.6%
Information10.9%
US avg: 11.1%
Public administration9.9%
US avg: 4.7%
Transportation & warehousing5.6%
US avg: 2.5%
Finance & insurance5.3%
US avg: 5.5%
Professional, scientific, technical4.9%
US avg: 4.7%
Wholesale trade2.4%
US avg: 6.7%
Arts, entertainment, food2%
US avg: 2%
Education & health services0.4%
US avg: 0.8%
Agriculture, forestry, fishing0.2%
US avg: 1.7%
Construction0.2%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$338,400
+5%inflation adjusted, since 2000
from $214,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,700
+5%inflation adjusted, since 2000
from $1,079 in 2000
US average: $1,124
Owner-occupied
79.4%
−7.7 ptssince 2000
from 87.1% in 2000
20.6% rent
Afford Score
2.9
−27%since 2009
from 3.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Buffalo Grove on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic86.5%(37,121)
Black0.7%(317)
Hispanic / Latino3.3%(1,425)
Asian8.4%(3,613)
Other0%
2020
White, non-Hispanic61.9%(26,762)
Black1.2%(517)
Hispanic / Latino6.6%(2,854)
Asian27.5%(11,865)
Other2.8%(1,207)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican5.1%(2,081)
Puerto Rican0.4%(143)
Peruvian0.3%(103)
Colombian0.1%(45)
Salvadoran0.1%(41)
Guatemalan0.1%(26)
Nicaraguan0.1%(22)
Cuban0%(20)
Argentine0%(12)
+ 2 more hispanic origin groups with data
Asian origin
Asian Indian11.3%(4,593)
Korean3.9%(1,580)
Chinese3.6%(1,456)
Filipino1.2%(495)
Japanese0.8%(316)
Pakistani0.4%(156)
Vietnamese0.2%(64)
Taiwanese0.1%(58)
Bangladeshi0.1%(25)
Sri Lankan0.1%(21)
Cambodian0%(18)
Pacific Islander origin
Ancestry
German10.4%(4,232)
Russian9%(3,658)
Polish8%(3,267)
Ukrainian5.9%(2,400)
Irish5.2%(2,124)
American3.7%(1,525)
Italian3.7%(1,522)
English3.3%(1,351)
Romanian2.4%(993)
Swedish1.1%(449)
Norwegian0.8%(340)
Greek0.8%(319)
+ 36 more ancestry groups with data
Scottish0.7%(286)
Czech0.7%(285)
Austrian0.7%(279)
French0.6%(244)
Bulgarian0.5%(222)
British0.5%(221)
Lithuanian0.5%(220)
Hungarian0.5%(219)
Dutch0.4%(179)
Latvian0.4%(157)
Iranian0.3%(126)
Welsh0.3%(115)
Slovak0.2%(95)
Danish0.2%(94)
Turkish0.2%(80)
Canadian0.2%(79)
Belgian0.2%(70)
Arab0.2%(65)
Israeli0.2%(65)
Slovene0.2%(63)
Scotch-Irish0.1%(55)
Serbian0.1%(52)
Brazilian0.1%(48)
Armenian0.1%(45)
Swiss0.1%(45)
West Indian0.1%(45)
Jamaican0.1%(45)
Finnish0.1%(44)
Croatian0.1%(39)
Nigerian0%(19)
Jordanian0%(15)
RANKED:Largest Asian Indian population · Largest German population · Largest Russian population · Largest Polish population · Largest Ukrainian population
Section 05

Education

Bachelor's degree or higher
66.3%
+10.4 ptssince 2000
from 55.9% in 2000
US average: 32.9%
High school or higher
97.8%
+2.5 ptssince 2000
from 95.3% in 2000
US average: 88.5%
Graduate degree
28.1%
+7.5 ptssince 2000
from 20.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
30.3 min
+40%since 2000
from 21.6 min in 2000
US average: 26.9
Drive alone to work
72.8%
−11.8 ptssince 2009
from 84.6% in 2009
US average: 75.1%
No vehicle available
3.3%
−0.9 ptssince 2009
from 4.2% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.1%
−2.4 ptssince 2011
from 5.5% in 2011
US average: 5.4%
Labor force participation
71.3%
−2.2 ptssince 2011
from 73.5% in 2011
US average: 63.4%
Management & professional
56.9%
−20.5 ptssince 2009
from 77.5% in 2009
US average: 39.3%
Section 08

People & community

Male
47.3%
−1.2 ptssince 2009
from 48.5% in 2009
Female
52.7%
+1.2 ptssince 2009
from 51.5% in 2009
Foreign born
34.9%
+10.0 ptssince 2009
from 24.9% in 2009
US average: 13.5%
Uninsured
3.9%
−90.2 ptssince 2013
from 94.1% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married26.2%(4,357)
Married67.8%(11,258)
Widowed1.5%(250)
Divorced4.5%(748)
Women 15+
Never married24%(4,374)
Married59.8%(10,908)
Widowed7.3%(1,333)
Divorced8.9%(1,622)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Buffalo Grove to nearby cities

BUFFALO GROVE VS
Long Grove
Income$250,001+112%
Home value$804,600+138%
Population8,343−81%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Wheeling
Income$85,205−28%
Home value$266,200−21%
Population38,391−10%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Prospect Heights
Income$85,008−28%
Home value$346,500+2%
Population15,552−64%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Vernon Hills
Income$121,943+3%
Home value$412,300+22%
Population26,825−37%
SEE FULL COMPARISON →
Frequently asked

How many people live in Buffalo Grove, Illinois?

Buffalo Grove, Illinois has about 43,212 residents according to the 2020 American Community Survey.

What is the median household income in Buffalo Grove, Illinois?

The typical household in Buffalo Grove, Illinois earns about $117,921 a year. Half of households make more than that, and half make less.

Is Buffalo Grove, Illinois expensive?

In Buffalo Grove, Illinois, the median home is worth about $338,400, and the typical rent is about $1,700 a month.

How educated are people in Buffalo Grove, Illinois?

About 66.3% of adults age 25 and over in Buffalo Grove, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Buffalo Grove, Illinois?

About 4.9% of people in Buffalo Grove, Illinois live below the federal poverty line.

Has Buffalo Grove, Illinois grown since 1990?

Yes, Buffalo Grove, Illinois has grown since 1990. The population has added about 6,785 residents, a change of about 19 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →