Marble Rock vs Nora Springs

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

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

Nora Springs has the higher population (1,394 vs 199 in Marble Rock). Nora Springs has the higher median household income ($72,083 vs $65,938 in Marble Rock). Nora Springs has the higher median home value ($126,300 vs $59,300 in Marble Rock).

Population, income & housing

	Marble Rock	Nora Springs
Population	199	1,394
Median age	55.1 yrs	43.8 yrs
Median household income	$65,938	$72,083
Median home value	$59,300	$126,300
Median gross rent	$592	$757
Housing units	117	673
Homeownership rate	74.7%	81.1%
Bachelor's degree or higher	3.3%	21.2%
Unemployment rate	5.2%	0.0%

Trends (ACS 5-year, 2019–2023)

	Marble Rock	Nora Springs
Population	321 → 199 (-38.0%)	1,535 → 1,394 (-9.2%)
Median household income	$51,875 → $65,938 (+27.1%)	$58,571 → $72,083 (+23.1%)
Median home value	$54,300 → $59,300 (+9.2%)	$95,400 → $126,300 (+32.4%)
Median gross rent	$570 → $592 (+3.9%)	$760 → $757 (-0.4%)

Marble Rock

Population

321199

Median household income

$51,875$65,938

Median home value

$54,300$59,300

Median gross rent

$570$592

Nora Springs

Population

1,5351,394

Median household income

$58,571$72,083

Median home value

$95,400$126,300

Median gross rent

$760$757

Age & race/ethnicity

Age distribution (share)

	Marble Rock	Nora Springs
Under 5	1.0%	7.5%
5 to 17	12.6%	14.8%
18 to 24	9.5%	10.8%
25 to 34	7.5%	8.4%
35 to 44	6.0%	11.8%
45 to 54	13.1%	10.8%
55 to 64	19.6%	11.5%
65 to 74	23.1%	17.8%
75 and over	7.5%	6.7%

Race & ethnicity (share)

	Marble Rock	Nora Springs
White (non-Hispanic)	95.5%	94.5%
Black or African American	0.0%	2.4%
American Indian & Alaska Native	0.0%	0.0%
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%	2.4%
Hispanic or Latino	0.0%	0.7%

Educational attainment (age 25+)

Share of adults 25+

	Marble Rock	Nora Springs
No high school diploma	7.2%	3.3%
High school graduate	50.3%	33.2%
Some college or associate's	39.2%	42.2%
Bachelor's degree	2.6%	14.5%
Graduate or professional degree	0.7%	6.8%

Commute to work

How workers get to work (share)

	Marble Rock	Nora Springs
Drove alone	82.7%	88.2%
Carpooled	12.7%	5.7%
Public transit	0.0%	0.0%
Walked	3.6%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.9%	5.8%
Other means	0.0%	0.3%

Housing

Units in structure (share)

	Marble Rock	Nora Springs
1-unit, detached	88.9%	79.9%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.9%	7.4%
5 to 19 units	8.5%	3.3%
20 or more units	0.0%	2.1%
Mobile home & other	1.7%	7.3%

Poverty & households

	Marble Rock	Nora Springs
Poverty rate	7.0%	4.1%
Average household size	2.01	2.35
Mean commute (minutes)	32	23
Median year structure built	1950	1941