Buffalo Grove

Population: 42,824
Median household income: $129,820
Median home value: $392,900

Buffalo Grove is a community in Lake County, Illinois, home to 42,824 residents. Its median household income of $129,820 runs above the Lake County figure of $108,917.

Between 2019 and 2023, Buffalo Grove's population grew 4.3% from 41,062 to 42,824, while its median home value rose 18.2% from $332,300 to $392,900.

66.6% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 81.5% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 42,824
Median age: 42.1 yrs
Median household income: $129,820
Median home value: $392,900
Median gross rent: $2,042
Housing units: 16,567
Homeownership rate: 81.5%
Bachelor's degree or higher: 66.6%
Unemployment rate: 2.5%

Trends

ACS 5-year · 2019–2023

Population

41,06242,824

Median household income

$115,951$129,820

Median home value

$332,300$392,900

Median gross rent

$1,643$2,042

Year	Population	Median household income	Median home value	Median gross rent
2019	41,062	$115,951	$332,300	$1,643
2020	40,804	$117,921	$338,400	$1,700
2021	43,062	$121,212	$341,400	$1,800
2022	42,934	$127,553	$380,700	$1,988
2023	42,824	$129,820	$392,900	$2,042

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.6%

5 to 1719.1%

18 to 247.0%

25 to 348.3%

35 to 4415.4%

45 to 5415.5%

55 to 6413.7%

65 to 749.6%

75 and over5.9%

	Count	Share
Under 5	2,387	5.6%
5 to 17	8,188	19.1%
18 to 24	2,986	7.0%
25 to 34	3,560	8.3%
35 to 44	6,582	15.4%
45 to 54	6,640	15.5%
55 to 64	5,872	13.7%
65 to 74	4,097	9.6%
75 and over	2,512	5.9%

Race & ethnicity

	Count	Share
White (non-Hispanic)	25,095	58.6%
Black or African American	1,603	3.7%
American Indian & Alaska Native	30	0.1%
Asian	12,078	28.2%
Native Hawaiian & Pacific Islander	40	0.1%
Some other race	171	0.4%
Two or more races	1,102	2.6%
Hispanic or Latino (any race)	2,705	6.3%

Educational attainment (age 25+)

No high school diploma3.2%

High school graduate10.0%

Some college or associate's20.2%

Bachelor's degree37.5%

Graduate or professional degree29.2%

	Count	Share
No high school diploma	923	3.2%
High school graduate	2,937	10.0%
Some college or associate's	5,901	20.2%
Bachelor's degree	10,971	37.5%
Graduate or professional degree	8,531	29.2%

Commute to work

Mean travel time to work: 27 min

Drove alone62.1%

Carpooled4.5%

Public transit3.2%

Walked0.5%

Bicycle0.0%

Worked from home28.5%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	14,090	62.1%
Carpooled	1,032	4.5%
Public transit	720	3.2%
Walked	122	0.5%
Bicycle	0	0.0%
Worked from home	6,459	28.5%
Other means	268	1.2%

Travel time

	Count	Share
Under 15 min	3,248	20.0%
15 to 29 min	6,098	37.6%
30 to 44 min	4,338	26.7%
45 to 59 min	1,217	7.5%
60+ min	1,331	8.2%

Households

Average household size: 2.65
Poverty rate: 6.5% (2,789 of 42,647)

	Count	Share
Family households	12,013	74.8%
Nonfamily households	4,055	25.2%

Housing

Median year structure built: 1982

Occupancy

	Count	Share
Occupied	16,068	97.0%
Vacant	499	3.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	13,097	81.5%
Renter-occupied	2,971	18.5%

1-unit, detached53.9%

1-unit, attached13.8%

2 to 4 units4.7%

5 to 19 units12.9%

20 or more units14.3%

Mobile home & other0.5%

Units in structure

	Count	Share
1-unit, detached	8,923	53.9%
1-unit, attached	2,289	13.8%
2 to 4 units	782	4.7%
5 to 19 units	2,134	12.9%
20 or more units	2,364	14.3%
Mobile home & other	75	0.5%

Geography

Place GEOID: 1709447
Type (LSAD): 47
Land area: 9.57 sq mi
Water area: 0.02 sq mi
Center point: 42.1660, -87.9618