Buffalo Grove, IL Profile: Facts & Data

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Buffalo Grove, Illinois - Basic Facts

The Village of Buffalo Grove had a population of 43,004 as of July 1, 2024. Buffalo Grove ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Buffalo Grove is located at latitude 42.1514 and longitude -87.9598 in Cook County. The formal boundaries for the Village of Buffalo Grove encompass a land area of 9.47 sq. miles and a water area of 0.03 sq. miles. Cook County is in the Central time zone (GMT -6).

While the primary coordinates for Village of Buffalo Grove are located in Cook County, it should be noted that the formal boundaries for this community also extend into and Lake County.

The Village of Buffalo Grove has a P1 Census Class Code which indicates populated place that is also an incorporated place with the same name and the same census code. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Buffalo Grove is located within Township of Wheeling, a minor civil division (MCD) of Cook County.


Jump to... (On This Page!)
  1. Buffalo Grove 2024 Demographic Data
  2. Growth Rates for Buffalo Grove (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2024 Demographics
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Buffalo Grove, IL Data & Demographics (As of July 1, 2024)

POPULATION

Total Population 43,004 (100%)
Population in Households 42,649 (99.2%)
Population in Families 37,411 (87.0%)
Population in Group Quarters1 355 ( 0.8%)
Population Density 4,499
Diversity Index2 61
 
 

INCOME

Median Household Income $130,042
Average Household Income $169,717
% of Income for Mortgage4 19%
Per Capita Income $65,041
Wealth Index5 173
Socioeconomic Status Index6 Moderate (61.8)
 

HOUSING

Total HU (Housing Units) 17,216 (100%)
Owner Occupied HU 13,538 (78.6%)
Renter Occupied HU 2,940 (17.1%)
Vacant Housing Units 738 ( 4.3%)
Median Home Value $399,638
Average Home Value $422,189
Housing Affordability Index3 108
 

HOUSEHOLDS

Total Households 16,478
Average Household Size 2.59
Family Households 12,023
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

2020-2024 2024-2029
Population -0.09% -0.15%
Households 0.12% 0.34%
Families   0.30%
Median Household Income   2.89%
Per Capita Income   2.96%
Owner Occupied HU   0.28%

Buffalo Grove, IL - Peer Comparisons by Rank and Percentile

The table below compares Buffalo Grove to the other 1,462 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2024 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 35 98th
Population Density # 60 96th
Median Household Income # 69 95th
Housing Affordability Index # 434 30th
Per Capita Income # 70 95th
Diversity Index # 193 87th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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