Census place 1709447

Buffalo Grove

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Buffalo Grove village

Relocation snapshot

What stands out in Buffalo Grove.

According to the 2025 estimate, Buffalo Grove has a population of 42,812 and 4,474 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 225 covered Illinois places are: population density is 4,474/sq mi, above the comparison median of 2,707/sq mi; median gross rent is $2,037, above the comparison median of $1,347; and median home value is $412,300, above the comparison median of $274,000. These unweighted medians compare covered Census places and are not statewide estimates.

population density
4,474/sq mi
Above the comparison median of 2,707/sq mi
median gross rent
$2,037
Above the comparison median of $1,347
median home value
$412,300
Above the comparison median of $274,000

National context

Follow the metrics.

Compare Buffalo Grove's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
42,812
2025 estimate
Annual change
-0.2%
Population estimate
Density
4,474/sq mi
9.6 sq mi land area
Median age
42 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$129,395
Median home value
$412,300
Median gross rent
$2,037
Bachelor’s degree or higher
68.6%
Typical commute
26.3 min
Drive-alone commute
58.1%
Public transit commute
2.8%
Walked to work
1%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
20.2%
Renters paying 30%+ of income
34.8%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
66.4%
Unemployed residents 16+
1.9%
Working from home
32.1%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
95.1%
Homes built 2020+
0.3%
Households without a vehicle
3.7%
Households with children
38%
Residents with a disability
7.1%
Residents without insurance
3.8%

Environmental context

A record of declared events.

FEMA declarations for Lake County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
7
Snowstorm declarations
3
Severe Storm declarations
2
Flood declarations
1

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: CHICAGO PALWAUKEE AP (4 mi from place center)
Average high
59.2°F
Average low
42.3°F
Annual rainfall
32.3"
Annual snowfall
0"

Month by month

A year in Buffalo Grove.

Typical high and low °F
0°F20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Burlington, VT

Population, housing, work, and travel data for this Census place.

Population
44,019
Median home
$444,800

Lombard, IL

Population, housing, work, and travel data for this Census place.

Population
44,399
Median home
$335,700

Carol Stream, IL

Population, housing, work, and travel data for this Census place.

Population
39,315
Median home
$335,000

Keep exploring

Compare Buffalo Grove with Burlington