Coal Valley vs Rock Island

A side-by-side comparison of Coal Valley and Rock Island: population, income, housing, and more.

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

Rock Island has the higher population (36,758 vs 4,142 in Coal Valley). Coal Valley has the higher median household income ($104,781 vs $57,292 in Rock Island). Coal Valley has the higher median home value ($208,700 vs $118,400 in Rock Island).

Population, income & housing

	Coal Valley	Rock Island
Population	4,142	36,758
Median age	46.7 yrs	37.1 yrs
Median household income	$104,781	$57,292
Median home value	$208,700	$118,400
Median gross rent	—	$819
Housing units	1,776	17,262
Homeownership rate	93.0%	63.5%
Bachelor's degree or higher	33.2%	22.4%
Unemployment rate	3.3%	6.5%

Trends (ACS 5-year, 2019–2023)

	Coal Valley	Rock Island
Population	3,714 → 4,142 (+11.5%)	38,111 → 36,758 (-3.6%)
Median household income	$60,645 → $104,781 (+72.8%)	$48,680 → $57,292 (+17.7%)
Median home value	$164,400 → $208,700 (+26.9%)	$104,600 → $118,400 (+13.2%)
Median gross rent	$1,137 → $935 (-17.8%)	$729 → $819 (+12.3%)

Coal Valley

Population

3,7144,142

Median household income

$60,645$104,781

Median home value

$164,400$208,700

Median gross rent

$1,137$935

Rock Island

Population

38,11136,758

Median household income

$48,680$57,292

Median home value

$104,600$118,400

Median gross rent

$729$819

Age & race/ethnicity

Age distribution (share)

	Coal Valley	Rock Island
Under 5	3.3%	5.7%
5 to 17	20.5%	15.2%
18 to 24	4.6%	14.9%
25 to 34	7.0%	12.3%
35 to 44	12.1%	11.1%
45 to 54	14.0%	9.6%
55 to 64	14.7%	13.0%
65 to 74	14.6%	11.0%
75 and over	9.2%	7.2%

Race & ethnicity (share)

	Coal Valley	Rock Island
White (non-Hispanic)	88.4%	63.7%
Black or African American	0.4%	15.2%
American Indian & Alaska Native	0.0%	0.1%
Asian	1.3%	3.4%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	2.5%	0.2%
Two or more races	1.8%	3.9%
Hispanic or Latino	5.7%	13.5%

Educational attainment (age 25+)

Share of adults 25+

	Coal Valley	Rock Island
No high school diploma	5.7%	10.1%
High school graduate	26.6%	30.9%
Some college or associate's	34.5%	36.6%
Bachelor's degree	19.8%	12.7%
Graduate or professional degree	13.4%	9.7%

Commute to work

How workers get to work (share)

	Coal Valley	Rock Island
Drove alone	86.2%	76.4%
Carpooled	5.5%	6.9%
Public transit	0.0%	2.4%
Walked	0.0%	4.3%
Bicycle	0.0%	0.1%
Worked from home	7.6%	8.8%
Other means	0.7%	1.2%

Housing

Units in structure (share)

	Coal Valley	Rock Island
1-unit, detached	83.9%	66.3%
1-unit, attached	4.1%	4.1%
2 to 4 units	0.0%	9.1%
5 to 19 units	0.0%	11.0%
20 or more units	0.0%	8.4%
Mobile home & other	12.0%	1.0%

Poverty & households

	Coal Valley	Rock Island
Poverty rate	2.7%	20.9%
Average household size	2.53	2.15
Mean commute (minutes)	20	20
Median year structure built	1988	1952