CensusEasy
CITY · 2000 CENSUS

Marble Rock

Iowa · 326 residents · 0.832 sq mi
Time machine
COMPARE TO
Compare
The short version

Marble Rock has lower-than-average household income, with a median household income of $35,500. Population has declined 11% since 1990. 6% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $34,800. With a median age of 41.8, the population is older than the US median of 35.2.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 41.8
US median: 35.2
Less educated
6% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

326
−11%since 1990
from 368 in 1990
1990 – 2025
392 / sq mi
−11%since 1990
from 442 / sq mi in 1990
US average: 242
41.8
+9%since 1990
from 38.5 in 1990
US average: 35.2
Population, 19902024
1732262803333861990201020202024Marble Rock
2024191
1990201020202024
Section 02

Income & economy

$35,500
+40%inflation adjusted, since 1990
from $19,271 in 1990
US average: $42,589
1990 – 2024
$17,937
+85%since 1990
from $9,674 in 1990
US average: $21,522
7.2%
−9.0 ptssince 1990
from 16.2% in 1990
US average: 12.4%
Section 03

Housing

$34,800
+23%inflation adjusted, since 1990
from $21,500 in 1990
US average: $120,530
1990 – 2024
$356
+26%inflation adjusted, since 1990
from $214 in 1990
US average: $602
74.5%
+1.5 ptssince 1990
from 73.0% in 1990
25.5% rent
1.0
−12%since 1990
from 1.1 in 1990
1990 – 2024
RELATED:See current rent listings in Marble Rock on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.9%(364)
Black0%(0)
Hispanic / Latino0%(0)
Asian1.1%(4)
Diversity Score2.7%(10)
2000
White, non-Hispanic99.4%(324)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Diversity Score0%(0)
0
−100%since 1990
from 3 in 1990
1990 – 2024
Section 05

Education

6.1%
+3.6 ptssince 1990
from 2.5% in 1990
US average: 24.4%
High school or higher
80.4%
+3.9 ptssince 1990
from 76.4% in 1990
US average: 80.3%
3.3%
+1.6 ptssince 1990
from 1.7% in 1990
US average: 8.8%
Section 06

Commute & transportation

24.4 min
−23%since 1990
from 31.6 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Marble Rock

Head to head

Compare Marble Rock to nearby cities

Frequently asked

How many people live in Marble Rock, Iowa?

Marble Rock, Iowa has about 326 residents according to the 2000 Census.

What is the median household income in Marble Rock, Iowa?

The typical household in Marble Rock, Iowa earns about $35,500 a year. Half of households make more than that, and half make less.

Is Marble Rock, Iowa expensive?

In Marble Rock, Iowa, the median home is worth about $34,800, and the typical rent is about $356 a month.

How educated are people in Marble Rock, Iowa?

About 6.1% of adults age 25 and over in Marble Rock, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Marble Rock, Iowa?

About 7.2% of people in Marble Rock, Iowa live below the federal poverty line.

Has Marble Rock, Iowa grown since 1990?

Yes, Marble Rock, Iowa has shrunk since 1990. The population has lost about 42 residents, a change of about -11 percent over that period.

Keep going

Explore from here

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →