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CITY · 2000 CENSUS

Buffalo Grove

Illinois · 42,909 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 $80,525. Population has grown 18% since 1990. 56% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $214,700. Poverty is rare here, at 2.3% of residents. Households here earn about 73% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 37.4
US median: 35.2
More educated
56% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
42,909
+18%since 1990
from 36,427 in 1990
1990 – 2025
Population density
4,489 / sq mi
+18%since 1990
from 3,811 / sq mi in 1990
US average: 242
Median age
37.4
+16%since 1990
from 32.2 in 1990
US average: 35.2
Population, 1990 – 2024
36K38K40K42K44K1990201020202024Buffalo Grove
202443K
1990201020202024
Section 02

Income & economy

Median household income
$80,525
+9%inflation adjusted, since 1990
from $56,011 in 1990
US average: $42,589
1990 – 2024
Per capita income
$36,696
+55%since 1990
from $23,718 in 1990
US average: $21,522
Poverty rate
2.3%
+0.7 ptssince 1990
from 1.5% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$214,700
−1%inflation adjusted, since 1990
from $164,100 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$1,079
+9%inflation adjusted, since 1990
from $754 in 1990
US average: $602
Owner-occupied
87.1%
+3.3 ptssince 1990
from 83.8% in 1990
12.9% rent
Afford Score
2.7
−9%since 1990
from 2.9 in 1990
1990 – 2024
RELATED:See current rent listings in Buffalo Grove on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic94.4%(34,383)
Black1.1%(407)
Hispanic / Latino1.5%(545)
Asian4.3%(1,568)
Diversity Score16.6%(6,056)
2000
White, non-Hispanic86.5%(37,121)
Black0.7%(317)
Hispanic / Latino3.3%(1,425)
Asian8.4%(3,613)
Diversity Score28.5%(12,220)
Diversity Score
28
+71%since 1990
from 17 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
55.9%
+8.5 ptssince 1990
from 47.4% in 1990
US average: 24.4%
High school or higher
95.3%
+0.8 ptssince 1990
from 94.5% in 1990
US average: 80.3%
Graduate degree
20.5%
+6.1 ptssince 1990
from 14.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
21.6 min
−22%since 1990
from 27.8 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Buffalo Grove

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Pop 43,945
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Places similar to Buffalo Grove
Head to head

Compare Buffalo Grove to nearby cities

BUFFALO GROVE VS
Long Grove
Income$250,001+210%
Home value$804,600+275%
Population8,343−81%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Wheeling
Income$85,205+6%
Home value$266,200+24%
Population38,391−10%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Prospect Heights
Income$85,008+6%
Home value$346,500+61%
Population15,552−64%
SEE FULL COMPARISON →
BUFFALO GROVE VS
Vernon Hills
Income$121,943+51%
Home value$412,300+92%
Population26,825−37%
SEE FULL COMPARISON →
Frequently asked

How many people live in Buffalo Grove, Illinois?

Buffalo Grove, Illinois has about 42,909 residents according to the 2000 Census.

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

The typical household in Buffalo Grove, Illinois earns about $80,525 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 $214,700, and the typical rent is about $1,079 a month.

How educated are people in Buffalo Grove, Illinois?

About 55.9% 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 2.3% 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 6,482 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 →