Rock Island Arsenal, Illinois

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{household, population, female}
{island, water, area}

Rock Island Arsenal is a census-designated place (CDP) in Rock Island County, Illinois, United States. The population was 145 at the 2000 census. The island contains the Rock Island National Cemetery.



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)[1].

According to the United States Census Bureau, the CDP has a total area of 2.6 square miles (6.6 km²), of which, 1.6 square miles (4.1 km²) of it is land and 1.0 square miles (2.5 km²) of it (37.89%) is water.


As of the census[2] of 2000, there were 145 people, 43 households, and 40 families residing in the CDP. The population density was 90.9 people per square mile (35.2/km²). There were 43 housing units at an average density of 27.0/sq mi (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. Hispanic or Latino 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.

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