Marble Rock vs Rockford

A side-by-side comparison of Marble Rock and Rockford: population, income, housing, and more.

Marble Rock and Rockford are places in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Rockford has the higher population (833 vs 199 in Marble Rock). Marble Rock has the higher median household income ($65,938 vs $62,759 in Rockford). Rockford has the higher median home value ($90,200 vs $59,300 in Marble Rock).

Population, income & housing

	Marble Rock	Rockford
Population	199	833
Median age	55.1 yrs	41.9 yrs
Median household income	$65,938	$62,759
Median home value	$59,300	$90,200
Median gross rent	$592	$779
Housing units	117	420
Homeownership rate	74.7%	77.1%
Bachelor's degree or higher	3.3%	21.2%
Unemployment rate	5.2%	5.3%

Trends (ACS 5-year, 2019–2023)

	Marble Rock	Rockford
Population	321 → 199 (-38.0%)	818 → 833 (+1.8%)
Median household income	$51,875 → $65,938 (+27.1%)	$54,792 → $62,759 (+14.5%)
Median home value	$54,300 → $59,300 (+9.2%)	$100,900 → $90,200 (-10.6%)
Median gross rent	$570 → $592 (+3.9%)	$467 → $779 (+66.8%)

Marble Rock

Population

321199

Median household income

$51,875$65,938

Median home value

$54,300$59,300

Median gross rent

$570$592

Rockford

Population

818833

Median household income

$54,792$62,759

Median home value

$100,900$90,200

Median gross rent

$467$779

Age & race/ethnicity

Age distribution (share)

	Marble Rock	Rockford
Under 5	1.0%	9.5%
5 to 17	12.6%	13.4%
18 to 24	9.5%	8.4%
25 to 34	7.5%	14.4%
35 to 44	6.0%	7.9%
45 to 54	13.1%	15.1%
55 to 64	19.6%	10.9%
65 to 74	23.1%	11.3%
75 and over	7.5%	9.0%

Race & ethnicity (share)

	Marble Rock	Rockford
White (non-Hispanic)	95.5%	92.4%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.5%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	4.5%	3.1%
Hispanic or Latino	0.0%	4.0%

Educational attainment (age 25+)

Share of adults 25+

	Marble Rock	Rockford
No high school diploma	7.2%	8.0%
High school graduate	50.3%	32.3%
Some college or associate's	39.2%	38.5%
Bachelor's degree	2.6%	17.8%
Graduate or professional degree	0.7%	3.3%

Commute to work

How workers get to work (share)

	Marble Rock	Rockford
Drove alone	82.7%	86.0%
Carpooled	12.7%	4.4%
Public transit	0.0%	0.0%
Walked	3.6%	5.2%
Bicycle	0.0%	0.0%
Worked from home	0.9%	4.4%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Marble Rock	Rockford
1-unit, detached	88.9%	84.8%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.9%	4.5%
5 to 19 units	8.5%	9.8%
20 or more units	0.0%	0.0%
Mobile home & other	1.7%	1.0%

Poverty & households

	Marble Rock	Rockford
Poverty rate	7.0%	9.8%
Average household size	2.01	2.35
Mean commute (minutes)	32	22
Median year structure built	1950	1938