Oak Grove, IL Profile: Facts & Data


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Oak Grove, Illinois - Basic Facts

The Village of Oak Grove had a population of 485 as of July 1, 2018.

The primary coordinate point for Oak Grove is located at latitude 41.4106 and longitude -90.5707 in Rock Island County. The formal boundaries for the Village of Oak Grove (see map below) encompass a land area of 0.63 sq. miles and a water area of 0 sq. miles. Rock Island County is in the Central time zone (GMT -6). The elevation is 722 feet.

The Village of Oak Grove (GNIS ID: 2399534) 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 Oak Grove is located within Township of Bowling, a minor civil division (MCD) of Rock Island County.

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  1. Oak Grove 2018 Demographic Data
  2. Growth Rates for Oak 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 - 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.


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


Total Population 485
Population in Households 485
Population in Familes 410
Population in Group Qrtrs 0
Population Density2 763
Diversity Index3 18


Median Household Income $61,146
Average Household Income $71,066
Per Capita Income $29,753


Total Housing Units 233 (100%)
Owner Occupied HU 185 (79.4%)
Renter Occupied HU 29 (12.4%)
Vacant Housing Units 19 ( 8.2%)
Median Home Value $137,500
Average Home Value $147,326


Total Households 214
Average Household Size 2.27
Family Households 156
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 -0.02% -0.29%
Households 0.11% -0.28%
Families 2.14% -0.26%
Median Household Income   1.61%
Per Capita Income   2.27%

Oak Grove, IL - Peer Comparisons by Rank and Percentile

The table below compares Oak Grove 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 # 945 31st
Population Density # 901 34th
Diversity Index # 534 61st
Median Household Income # 467 66th
Per Capita Income # 518 62nd

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