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CITY

Buffalo Grove

Illinois · 42,812 residents (2025 est.) · 9.559 sq mi
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Notable rankings
#261Most work-from-homeof 6,82632.1%#299Most foreign-born residentsof 6,82638.1%
The short version

Buffalo Grove is significantly wealthier than the US average, with a median household income of $129,395. Population has held roughly steady since 2000. 69% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $412,300. It ranks in the top 5% of US cities for household income. Households here earn about 55% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 42.0
US median: 38.9
More educated
69% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
42,891
Unchangedsince 2000
from 42,909 in 2000
1990 – 2025
Population density
4,487 / sq mi
+1%since 2009
from 4,457 / sq mi in 2009
US average: 281
Median age
42.0
+12%since 2000
from 37.4 in 2000
US average: 38.9

PEP 2025 EST:42,812 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
36K38K40K42K44K1990201020202024Buffalo Grove
202443K
1990201020202024
Age distribution, 2024
Under 54.4%(1,888)
US avg: 5.6%
5 to 95.5%(2,380)
US avg: 6%
10 to 148.8%(3,773)
US avg: 6.4%
15 to 197.5%(3,220)
US avg: 6.6%
20 to 245.2%(2,229)
US avg: 6.5%
25 to 348.5%(3,650)
US avg: 13.7%
35 to 4415.7%(6,729)
US avg: 13.2%
45 to 5416.3%(7,001)
US avg: 12.2%
55 to 6412.2%(5,247)
US avg: 12.7%
65 to 749.8%(4,194)
US avg: 10.2%
75 to 844.5%(1,914)
US avg: 5.1%
85 and over1.6%(666)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$129,395
−12%inflation adjusted, since 2000
from $80,525 in 2000
US average: $82,259
1990 – 2024
Per capita income
$62,568
+71%since 2000
from $36,696 in 2000
US average: $44,673
Households earning $100K+
72.7%
+14.6 ptssince 2009
from 58.1% in 2009
US average: 53.3%
Poverty rate
7.2%
+4.9 ptssince 2000
from 2.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.442
+6%since 2010
from 0.419 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade12.7%
US avg: 9.9%
Other services10.9%
US avg: 6.7%
Public administration10%
US avg: 4.8%
Information9.2%
US avg: 10.8%
Transportation & warehousing4.6%
US avg: 2.2%
Finance & insurance4.3%
US avg: 5.9%
Professional, scientific, technical3.8%
US avg: 5.1%
Wholesale trade2.1%
US avg: 6.9%
Arts, entertainment, food1.3%
US avg: 1.9%
Education & health services0.5%
US avg: 0.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$412,300
+5%inflation adjusted, since 2000
from $214,700 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,037
+4%inflation adjusted, since 2000
from $1,079 in 2000
US average: $1,442
Owner-occupied
79.8%
−7.3 ptssince 2000
from 87.1% in 2000
20.2% rent
Vacancy rate
2.3%
−0.2 ptssince 2009
from 2.5% in 2009
US average: 10.0%
Owner cost-burdened
23.6%
−16.0 ptssince 2009
from 39.6% in 2009
US average: 22.9%
Renter cost-burdened
28.9%
−7.4 ptssince 2009
from 36.3% in 2009
US average: 47.4%
Afford Score
3.2
−19%since 2009
from 3.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
43
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
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%
2024
White, non-Hispanic58.2%(24,954)
Black3.4%(1,443)
Hispanic / Latino5.8%(2,478)
Asian29.7%(12,755)
Other2.9%(1,261)
Diversity Score
71
+62%since 2009
from 44 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican3%(1,288)
Puerto Rican0.9%(383)
Cuban0.4%(170)
Peruvian0.4%(163)
Colombian0.3%(136)
Guatemalan0.2%(71)
Venezuelan0.1%(61)
Costa Rican0.1%(44)
Salvadoran0.1%(26)
+ 2 more hispanic origin groups with data
Asian origin
Asian Indian17.5%(7,523)
Korean4.1%(1,744)
Chinese4%(1,723)
Filipino1.7%(733)
Japanese0.7%(293)
Pakistani0.4%(163)
Mongolian0.3%(109)
Taiwanese0.2%(100)
Sri Lankan0.1%(57)
Thai0.1%(44)
Nepalese0.1%(44)
+ 2 more asian origin groups with data
Pacific Islander origin
Tongan0.1%(32)
Ancestry
German9%(3,875)
Polish7.1%(3,057)
Irish5.5%(2,364)
Russian5.5%(2,345)
Italian5.2%(2,213)
Ukrainian4.4%(1,884)
English3.6%(1,532)
American3.4%(1,466)
Swedish1.8%(765)
Bulgarian1.1%(468)
Hungarian0.8%(352)
Arab0.8%(338)
+ 35 more ancestry groups with data
Romanian0.7%(294)
French0.6%(267)
Norwegian0.6%(264)
Greek0.6%(240)
Scottish0.5%(223)
West Indian0.5%(222)
Dutch0.5%(220)
Czech0.4%(191)
Lithuanian0.4%(181)
British0.4%(159)
Latvian0.3%(139)
Haitian0.3%(137)
Austrian0.3%(127)
Danish0.3%(120)
Scotch-Irish0.2%(89)
Iraqi0.2%(74)
Armenian0.2%(73)
Serbian0.2%(69)
Jamaican0.1%(53)
Portuguese0.1%(52)
Slovak0.1%(51)
Welsh0.1%(49)
Israeli0.1%(43)
Egyptian0.1%(41)
Moroccan0.1%(40)
Syrian0.1%(37)
Swiss0.1%(36)
Iranian0.1%(31)
Brazilian0.1%(27)
Turkish0.1%(27)
Belgian0.1%(25)
Canadian0.1%(23)
Slovene0%(8)
RANKED:Largest Asian Indian population · Largest German population · Largest Polish population · Largest Irish population · Largest Russian population
Section 05

Education

Bachelor's degree or higher
68.6%
+12.8 ptssince 2000
from 55.9% in 2000
US average: 35.6%
High school or higher
96.8%
+1.5 ptssince 2000
from 95.3% in 2000
US average: 89.6%
Graduate degree
31.1%
+10.5 ptssince 2000
from 20.5% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.3 min
+22%since 2000
from 21.6 min in 2000
US average: 26.5
Drive alone to work
58.1%
−26.5 ptssince 2009
from 84.6% in 2009
US average: 68.9%
Carpooled to work
4.9%
+0.1 ptssince 2009
from 4.7% in 2009
US average: 8.5%
Public transit
2.8%
−0.8 ptssince 2009
from 3.7% in 2009
US average: 3.2%
Worked from home
32.1%
+26.8 ptssince 2009
from 5.4% in 2009
US average: 15.0%
Walked to work
1.0%
+0.4 ptssince 2009
from 0.6% in 2009
US average: 2.4%
Biked to work
0.0%
−0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
3.7%
−0.5 ptssince 2009
from 4.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.7%
−2.8 ptssince 2011
from 5.5% in 2011
US average: 5.2%
Labor force participation
68.2%
−5.3 ptssince 2011
from 73.5% in 2011
US average: 63.5%
Self-employed
12.0%
+2.3 ptssince 2009
from 9.8% in 2009
US average: 13.1%
Management & professional
65.4%
−12.0 ptssince 2009
from 77.5% in 2009
US average: 42.5%
Section 08

People & community

Male
48.0%
−0.4 ptssince 2009
from 48.5% in 2009
Female
52.0%
+0.4 ptssince 2009
from 51.5% in 2009
Foreign born
38.1%
+13.2 ptssince 2009
from 24.9% in 2009
US average: 14.1%
Veterans
2.5%
−44.1 ptssince 2009
from 46.6% in 2009
US average: 6.2%
With a disability
7.1%
−0.3 ptssince 2012
from 7.4% in 2012
US average: 13.3%
Uninsured
3.8%
−90.3 ptssince 2013
from 94.1% in 2013
US average: 8.4%
Broadband at home
95.1%
+4.9 ptssince 2017
from 90.2% in 2017
US average: 91.0%
English only at home
54.6%
−8.4 ptssince 2016
from 63.0% in 2016
US average: 77.7%
Spanish at home
4.4%
+0.3 ptssince 2016
from 4.0% in 2016
US average: 13.6%
Marital status
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+93%
Home value$804,600+95%
Population8,343−81%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Wheeling
Income$85,205−34%
Home value$266,200−35%
Population38,391−10%
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BUFFALO GROVE VS
Prospect Heights
Income$85,008−34%
Home value$346,500−16%
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BUFFALO GROVE VS
Vernon Hills
Income$121,943−6%
Home value$412,300same
Population26,825−37%
SEE FULL COMPARISON →
Frequently asked

How many people live in Buffalo Grove, Illinois?

Buffalo Grove, Illinois has about 42,891 residents according to the 2024 American Community Survey.

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

The typical household in Buffalo Grove, Illinois earns about $129,395 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 $412,300, and the typical rent is about $2,037 a month.

How educated are people in Buffalo Grove, Illinois?

About 68.6% 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 7.2% 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 6,464 residents, a change of about 18 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 →