Rock Island Arsenal CDP, IL Profile: Facts, Map & Data


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Rock Island Arsenal CDP, Illinois - Basic Facts

The Rock Island Arsenal Census Designated Place had a population of 168 as of July 1, 2017. Rock Island Arsenal CDP ranks in the lower quartile for Population Density and the upper quartile for 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 Rock Island Arsenal CDP is located at latitude 41.517 and longitude -90.5398 in Rock Island County. The formal boundaries for the Rock Island Arsenal Census Designated Place (see map below) encompass a land area of 1.63 sq. miles and a water area of 0.94 sq. miles.

The Rock Island Arsenal Census Designated Place (GNIS ID: 2393210) has a M2 Census Class Code which indicates a military or other defense installation entirely within a census designated place. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Rock Island Arsenal Census Designated Place is located within Township of Rock Island, a minor civil division (MCD) of Rock Island County.

Beneath the boundary map are tables with Rock Island Arsenal CDP 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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Rock Island Arsenal Census Designated Place, IL Boundary Map

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Rock Island Arsenal CDP, IL Data & Demographics (As of July 1, 2017)


Total Population 168
Daytime Population: Workers 998
Daytime Population: Residents 86
Total Daytime Population (TDP) 1,084
Ratio TDP/Total Population1 6.45
Population in Households 165
Population in Familes 102
Population in Group Qrtrs 3
Population Density2 103
Diversity Index3 76


Median Household Income $41,089
Average Household Income $61,604
Per Capita Income $23,178


Total Housing Units 58 (100%)
Owner Occupied HU 13 (22.4%)
Renter Occupied HU 42 (72.4%)
Vacant Housing Units 4 ( 6.9%)
Median Home Value $90,000
Average Home Value $105,357


Total Households 54
Average Household Size 3.06
Family Households 26
Average Family Size 4
  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 1.67% 0.59%
Households 1.64% 0.73%
Families -7.0% 0.76%
Median Household Income   -0.32%
Per Capita Income   1.49%

Rock Island Arsenal CDP, IL - Peer Comparisons by Rank and Percentile

The table below compares Rock Island Arsenal CDP 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 # 1239 9th
Population Density # 1348 2nd
Diversity Index # 38 97th
Median Household Income # 1145 16th
Per Capita Income # 1041 24th

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

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