Oak Grove vs Rock Island Arsenal

A side-by-side comparison of Oak Grove and Rock Island Arsenal: population, income, housing, and more.

Oak Grove and Rock Island Arsenal are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Rock Island Arsenal has the higher population (372 vs 335 in Oak Grove). Rock Island Arsenal has the higher median household income ($53,472 vs $41,912 in Oak Grove).

Population, income & housing

	Oak Grove	Rock Island Arsenal
Population	335	372
Median age	48.6 yrs	43.1 yrs
Median household income	$41,912	$53,472
Median gross rent	$688	$1,408
Housing units	210	111
Homeownership rate	88.8%	0.0%
Bachelor's degree or higher	9.9%	7.0%
Unemployment rate	5.6%	23.8%

Trends (ACS 5-year, 2019–2023)

	Oak Grove	Rock Island Arsenal
Population	541 → 335 (-38.1%)	0 → 372 (+0.0%)
Median household income	$33,833 → $41,912 (+23.9%)	$50,972 → $53,472 (+4.9%)
Median home value	$9,999 → $9,999 (+0.0%)	—
Median gross rent	$775 → $688 (-11.2%)	—

Oak Grove

Population

541335

Median household income

$33,833$41,912

Median home value

$9,999$9,999

Median gross rent

$775$688

Rock Island Arsenal

Population

0372

Median household income

$50,972$53,472

Age & race/ethnicity

Age distribution (share)

	Oak Grove	Rock Island Arsenal
Under 5	6.9%	0.0%
5 to 17	9.9%	34.9%
18 to 24	7.8%	0.0%
25 to 34	4.2%	13.4%
35 to 44	15.8%	12.1%
45 to 54	10.7%	34.7%
55 to 64	19.1%	0.8%
65 to 74	13.4%	4.0%
75 and over	12.2%	0.0%

Race & ethnicity (share)

	Oak Grove	Rock Island Arsenal
White (non-Hispanic)	94.6%	22.0%
Black or African American	0.0%	0.8%
American Indian & Alaska Native	0.6%	0.0%
Asian	0.9%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	2.4%
Two or more races	1.5%	65.9%
Hispanic or Latino	2.4%	8.9%

Educational attainment (age 25+)

Share of adults 25+

	Oak Grove	Rock Island Arsenal
No high school diploma	10.3%	11.6%
High school graduate	51.8%	0.0%
Some college or associate's	28.1%	81.4%
Bachelor's degree	8.3%	0.0%
Graduate or professional degree	1.6%	7.0%

Commute to work

How workers get to work (share)

	Oak Grove	Rock Island Arsenal
Drove alone	74.3%	81.7%
Carpooled	10.2%	5.3%
Public transit	0.6%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	15.0%	0.0%
Other means	0.0%	13.0%

Housing

Units in structure (share)

	Oak Grove	Rock Island Arsenal
1-unit, detached	22.9%	39.6%
1-unit, attached	0.0%	19.8%
2 to 4 units	2.4%	0.0%
5 to 19 units	1.4%	40.5%
20 or more units	0.0%	0.0%
Mobile home & other	73.3%	0.0%

Poverty & households

	Oak Grove	Rock Island Arsenal
Poverty rate	18.2%	0.0%
Average household size	1.78	4.71
Mean commute (minutes)	27	6
Median year structure built	1974	1998