Floyd vs Marble Rock

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

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

Floyd has the higher population (308 vs 199 in Marble Rock). Marble Rock has the higher median household income ($65,938 vs $61,000 in Floyd). Floyd has the higher median home value ($106,700 vs $59,300 in Marble Rock).

Population, income & housing

	Floyd	Marble Rock
Population	308	199
Median age	42.0 yrs	55.1 yrs
Median household income	$61,000	$65,938
Median home value	$106,700	$59,300
Median gross rent	$850	$592
Housing units	157	117
Homeownership rate	88.9%	74.7%
Bachelor's degree or higher	9.5%	3.3%
Unemployment rate	3.4%	5.2%

Trends (ACS 5-year, 2019–2023)

	Floyd	Marble Rock
Population	335 → 308 (-8.1%)	321 → 199 (-38.0%)
Median household income	$60,625 → $61,000 (+0.6%)	$51,875 → $65,938 (+27.1%)
Median home value	$83,800 → $106,700 (+27.3%)	$54,300 → $59,300 (+9.2%)
Median gross rent	$513 → $850 (+65.7%)	$570 → $592 (+3.9%)

Floyd

Population

335308

Median household income

$60,625$61,000

Median home value

$83,800$106,700

Median gross rent

$513$850

Marble Rock

Population

321199

Median household income

$51,875$65,938

Median home value

$54,300$59,300

Median gross rent

$570$592

Age & race/ethnicity

Age distribution (share)

	Floyd	Marble Rock
Under 5	9.4%	1.0%
5 to 17	12.3%	12.6%
18 to 24	6.2%	9.5%
25 to 34	11.4%	7.5%
35 to 44	11.0%	6.0%
45 to 54	10.1%	13.1%
55 to 64	18.8%	19.6%
65 to 74	14.3%	23.1%
75 and over	6.5%	7.5%

Race & ethnicity (share)

	Floyd	Marble Rock
White (non-Hispanic)	90.9%	95.5%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	1.3%	0.0%
Some other race	0.0%	0.0%
Two or more races	7.8%	4.5%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Floyd	Marble Rock
No high school diploma	7.7%	7.2%
High school graduate	49.1%	50.3%
Some college or associate's	33.8%	39.2%
Bachelor's degree	9.5%	2.6%
Graduate or professional degree	0.0%	0.7%

Commute to work

How workers get to work (share)

	Floyd	Marble Rock
Drove alone	68.8%	82.7%
Carpooled	11.2%	12.7%
Public transit	0.0%	0.0%
Walked	1.2%	3.6%
Bicycle	0.0%	0.0%
Worked from home	15.3%	0.9%
Other means	3.5%	0.0%

Housing

Units in structure (share)

	Floyd	Marble Rock
1-unit, detached	98.7%	88.9%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.9%
5 to 19 units	0.0%	8.5%
20 or more units	0.0%	0.0%
Mobile home & other	1.3%	1.7%

Poverty & households

	Floyd	Marble Rock
Poverty rate	4.9%	7.0%
Average household size	2.14	2.01
Mean commute (minutes)	18	32
Median year structure built	1944	1950