Rock Island Arsenal

County:: Rock Island County
County Seat:: No
Area (mi²):: 1.572
State:: Illinois

Rock Island Arsenal is a CDP located in Rock Island County, Illinois. Rock Island Arsenal has a 2025 population of 431. Rock Island Arsenal is currently growing at a rate of 4.36% annually and its population has increased by 22.1% since the most recent census, which recorded a population of 353 in 2020.

The average household income in Rock Island Arsenal is $63,041 with a poverty rate of 0%. The median age in Rock Island Arsenal is 43.1 years: 46.3 years for males, and 27.2 years for females.

Demographics

The racial composition of Rock Island Arsenal includes 22.04% White, 9.95% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Two or more races

White

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Two or more races	250	67.2%
White	82	22.04%
Other race	37	9.95%
Black or African American	3	0.81%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rock Island Arsenal Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock Island Arsenal's average per capita income is $14,500. Household income levels show a median of $53,472. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Households	$53,472	$63,041
Families	$53,472	$63,041
Married Families	$53,472	-
Non Families	-	-

$14,500

Average Income

$53,472

Median Household Income

0%

Poverty Rate