Dupo, IL Profile: Facts & Data


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Dupo, Illinois - Basic Facts

The Village of Dupo had a population of 4,120 as of July 1, 2018.

The primary coordinate point for Dupo is located at latitude 38.5161 and longitude -90.2176 in St. Clair County. The formal boundaries for the Village of Dupo (see map below) encompass a land area of 6.3 sq. miles and a water area of 0.02 sq. miles. St. Clair County is in the Central time zone (GMT -6). The elevation is 417 feet.

The Village of Dupo (GNIS ID: 2398759) 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 Dupo is located within Township of Sugar Loaf, a minor civil division (MCD) of St. Clair County.

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  1. Dupo 2018 Demographic Data
  2. Growth Rates for Dupo (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 - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Dupo, IL Data & Demographics (As of July 1, 2018)


Total Population 4,120
Population in Households 4,119
Population in Familes 3,326
Population in Group Qrtrs 1
Population Density2 654
Diversity Index3 14


Median Household Income $55,332
Average Household Income $66,408
Per Capita Income $26,703


Total Housing Units 1,864 (100%)
Owner Occupied HU 1,172 (62.9%)
Renter Occupied HU 484 (26.0%)
Vacant Housing Units 208 (11.2%)
Median Home Value $102,930
Average Home Value $122,588


Total Households 1,656
Average Household Size 2.49
Family Households 1,122
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. 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 race 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.


2010-2018 2018-2023
Population -0.06% -0.23%
Households 0.06% -0.16%
Families -0.19% -0.3%
Median Household Income   1.13%
Per Capita Income   2.23%

Dupo, IL - Peer Comparisons by Rank and Percentile

The table below compares Dupo to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 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 # 375 73rd
Population Density # 973 29th
Diversity Index # 653 52nd
Median Household Income # 663 52nd
Per Capita Income # 763 44th

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

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