Rock Island Arsenal, Illinois

Geography Rock Island Arsenal is located at 41°31'5" North, 90°32'13" West (41.518033, -90.536959)¹.

According to the United States Census Bureau, the town has a total area of 6.6 km² (2.6 mi²). 4.1 km² (1.6 mi²) of it is land and 2.5 km² (1.0 mi²) of it is water. The total area is 37.89% water.

Demographics As of the census of 2000, there are 145 people, 43 households, and 40 families residing in the town. The population density is 35.2/km² (90.9/mi²). There are 43 housing units at an average density of 10.4/km² (27.0/mi²). The racial makeup of the town is 62.76% White, 28.28% African American, 1.38% Native American, 0.00% Asian, 0.00% Pacific Islander, 3.45% from other races, and 4.14% from two or more races. 2.76% of the population are Hispanic or Latino of any race.

There are 43 households out of which 79.1% have children under the age of 18 living with them, 88.4% are married couples living together, 4.7% have a female householder with no husband present, and 4.7% are non-families. 4.7% of all households are made up of individuals and 0.0% have someone living alone who is 65 years of age or older. The average household size is 3.37 and the average family size is 3.46.

In the town the population is 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, and 0.0% who are 65 years of age or older. The median age is 28 years. For every 100 females there are 93.3 males. For every 100 females age 18 and over, there are 93.2 males.

The median income for a household in the town is $45,417, and the median income for a family is $34,375. Males have a median income of $29,063 versus $23,125 for females. The per capita income for the town is $15,710. 0.0% of the population and 0.0% of families are below the poverty line.