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CITY · 1990 CENSUS

Buffalo Grove

Illinois · 36,427 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 $56,011. Population has fallen 15% since 2000, a loss of 6,482 residents. 47% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $164,100. Poverty is rare here, at 1.5% of residents. Households here earn about 74% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 32.2
US median: 33.0
More educated
47% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

36,427
−15%vs 2000
vs 42,909 in 2000
1990 – 2025
3,811 / sq mi
−15%vs 2000
vs 4,489 / sq mi in 2000
US average: 221
32.2
−14%vs 2000
vs 37.4 in 2000
US average: 33.0
Population, 19902024
36K38K40K42K44K1990201020202024Buffalo Grove
202443K
1990201020202024
Section 02

Income & economy

$56,011
−8%inflation adjusted, since 2000
vs $80,525 in 2000
US average: $30,130
1990 – 2024
$23,718
−35%vs 2000
vs $36,696 in 2000
US average: $14,340
1.5%
−0.7 ptsvs 2000
vs 2.3% in 2000
US average: 13.2%
Section 03

Housing

$164,100
+1%inflation adjusted, since 2000
vs $214,700 in 2000
US average: $93,722
1990 – 2024
$754
−8%inflation adjusted, since 2000
vs $1,079 in 2000
US average: $450
83.8%
−3.3 ptsvs 2000
vs 87.1% in 2000
16.2% rent
2.9
+10%vs 2000
vs 2.7 in 2000
1990 – 2024
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%
Diversity Score28.5%(12,220)
1990
White, non-Hispanic94.4%(34,383)
Black1.1%(407)
Hispanic / Latino1.5%(545)
Asian4.3%(1,568)
Other0.2%(69)
Diversity Score16.6%(6,056)
17
−42%vs 2000
vs 28 in 2000
1990 – 2024
Section 05

Education

47.4%
−8.5 ptsvs 2000
vs 55.9% in 2000
US average: 20.3%
High school or higher
94.5%
−0.8 ptsvs 2000
vs 95.3% in 2000
US average: 75.2%
14.4%
−6.1 ptsvs 2000
vs 20.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

27.8 min
+29%vs 2000
vs 21.6 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Buffalo Grove, Illinois?

Buffalo Grove, Illinois has about 36,427 residents according to the 1990 Census.

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

The typical household in Buffalo Grove, Illinois earns about $56,011 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 $164,100, and the typical rent is about $754 a month.

How educated are people in Buffalo Grove, Illinois?

About 47.4% 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 1.5% of people in Buffalo Grove, Illinois live below the federal poverty line.

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

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