Oak Grove, IL Profile: Facts, Map & Data


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Oak Grove, Illinois - Basic Facts

The Village of Oak Grove had a population of 491 as of July 1, 2017.

The primary coordinate point for Oak Grove is located at latitude 41.412 and longitude -90.5742 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.

Beneath the boundary map are tables with Oak Grove population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Village of Oak Grove, IL Boundary Map

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Boundary Maps: Township of Bowling | Rock Island County | Illinois Counties

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Oak Grove, IL Data & Demographics (As of July 1, 2017)


Total Population 491
Daytime Population: Workers 23
Daytime Population: Residents 278
Total Daytime Population (TDP) 301
Ratio TDP/Total Population1 0.61
Population in Households 491
Population in Familes 415
Population in Group Qrtrs 0
Population Density2 773
Diversity Index3 17


Median Household Income $57,457
Average Household Income $67,633
Per Capita Income $28,468


Total Housing Units 235 (100%)
Owner Occupied HU 186 (79.1%)
Renter Occupied HU 30 (12.8%)
Vacant Housing Units 19 ( 8.1%)
Median Home Value $121,622
Average Home Value $131,452


Total Households 216
Average Household Size 2.27
Family Households 158
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.14% -0.08%
Households 0.26% -0.09%
Families 2.62% -0.13%
Median Household Income   1.76%
Per Capita Income   2.45%

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, 2017 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 # 940 31st
Population Density # 901 34th
Diversity Index # 545 60th
Median Household Income # 514 63rd
Per Capita Income # 528 61st

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

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