Rock Island Arsenal is a census-designated place (CDP) in Rock Island County, Illinois, United States. The population was 149 at the 2010 census.[1] The island contains the Rock Island National Cemetery.
Rock Island Arsenal
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  Rock Island Arsenal Location of Rock Island Arsenal within Illinois | |
| Coordinates: 41°31′5″N 90°32′13″W / 41.51806°N 90.53694°W / 41.51806; -90.53694 | |
| Country | United States |
| State | Illinois |
| County | Rock Island County |
| Area | |
| • Total | 2.6 sq mi (7 km2) |
| • Land | 1.6 sq mi (4 km2) |
| • Water | 1.0 sq mi (3 km2) |
| Population
(2010)
| |
| • Total | 149 |
| • Density | 57/sq mi (22/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
Rock Island Arsenal is located at 41°31′5″N 90°32′13″W / 41.51806°N 90.53694°W / 41.51806; -90.53694 (41.518033, -90.536959).[2]
According to the United States Census Bureau, the CDP has a total area of 2.6 square miles (6.7 km2), of which 1.6 square miles (4.1 km2) is land and 1.0 square mile (2.6 km2) (37.89%) is water.
As of the census[3] of 2000, there were 145 people, 43 households, and 40 families residing in the CDP. The population density was 90.9 inhabitants per square mile (35.1/km2). There were 43 housing units at an average density of 27.0 per square mile (10.4/km2). The racial makeup of the CDP was 62.76% White, 28.28% African American, 1.38% Native American, 3.45% from other races, and 4.14% from two or more races. HispanicorLatino of any race were 2.76% of the population.
There were 43 households, out of which 79.1% had children under the age of 18 living with them, 88.4% were married couples living together, 4.7% had a female householder with no husband present, and 4.7% were non-families. 4.7% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older. The average household size was 3.37 and the average family size was 3.46.
In the CDP, the population was spread out, with 41.4% under the age of 18, 4.1% from 18 to 24, 45.5% from 25 to 44, 9.0% from 45 to 64, . The median age was 28 years. For every 100 females, there were 93.3 males. For every 100 females age 18 and over, there were 93.2 males.
The median income for a household in the CDP was $45,417, and the median income for a family was $34,375. Males had a median income of $29,063 versus $23,125 for females. The per capita income for the CDP was $15,710. None of the population and none of the families were below the poverty line.