Downers Grove, IL Profile: Facts & Data


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Downers Grove, Illinois - Basic Facts

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The Village of Downers Grove had a population of 49,185 as of July 1, 2021. Downers 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 Downers Grove is located at latitude 41.8089 and longitude -88.0112 in DuPage County. The formal boundaries for the Village of Downers Grove encompass a land area of 14.44 sq. miles and a water area of 0.15 sq. miles. DuPage County is in the Central time zone (GMT -6). The elevation is 741 feet.

The Village of Downers Grove has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Downers Grove is located within Township of Downers Grove, a minor civil division (MCD) of DuPage County.

Alternate Unofficial Names for Downers Grove: East Grove.

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  1. Downers Grove 2021 Demographic Data
  2. Growth Rates for Downers 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 - 2021 Demographics

Downers Grove, IL Data & Demographics (As of July 1, 2021)


Total Population 49,185 (100%)
Population in Households 48,777 (99.2%)
Population in Families 40,410 (82.2%)
Population in Group Quarters1 408 ( 0.8%)
Population Density 3,387
Diversity Index2 37


Median Household Income $101,467
Average Household Income $129,741
% of Income for Mortgage4 15%
Per Capita Income $52,290
Wealth Index5 179


Total HU (Housing Units) 21,226 (100%)
Owner Occupied HU 15,313 (72.1%)
Renter Occupied HU 4,626 (21.8%)
Vacant Housing Units 1,287 ( 6.1%)
Median Home Value $362,538
Average Home Value $417,189
Housing Affordability Index3 147


Total Households 19,939
Average Household Size 2.45
Family Households 13,146
Average Family Size 3
  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.


2010-2021 2021-2026
Population 0.02% -0.06%
Households 0.13% 0.0%
Families 0.03% -0.09%
Median Household Income   1.49%
Per Capita Income   2.1%
Owner Occupied HU   0.22%

Downers Grove, IL - Peer Comparisons by Rank and Percentile

The table below compares Downers Grove to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2021 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 # 30 98th
Population Density # 111 92nd
Median Household Income # 112 92nd
Housing Affordability Index # 227 17th
Per Capita Income # 71 95th
Diversity Index # 314 77th

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

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