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CITY · 2000 CENSUS

Rock Valley

Iowa · 2,702 residents · 4.461 sq mi
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The short version

Rock Valley has lower-than-average household income, with a median household income of $36,967. Population has held roughly steady since 1990. Median home value has risen by half since 1990, reaching $77,300. Poverty is rare here, at 4.1% of residents.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.2
US median: 35.2
Less educated
18% hold a bachelor's degree
US average: 24%
Less affordable
home values up 25%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

2,702
+8%since 1990
from 2,492 in 1990
1990 – 2025
606 / sq mi
+8%since 1990
from 559 / sq mi in 1990
US average: 242
38.2
+6%since 1990
from 36.2 in 1990
US average: 35.2
Population, 19902024
2K3K3K4K4K1990201020202024Rock Valley
20244K
1990201020202024
Section 02

Income & economy

$36,967
+21%inflation adjusted, since 1990
from $23,133 in 1990
US average: $42,589
1990 – 2024
$19,660
+72%since 1990
from $11,399 in 1990
US average: $21,522
4.1%
−3.7 ptssince 1990
from 7.7% in 1990
US average: 12.4%
Section 03

Housing

$77,300
+25%inflation adjusted, since 1990
from $46,800 in 1990
US average: $120,530
1990 – 2024
$361
+5%inflation adjusted, since 1990
from $261 in 1990
US average: $602
80.2%
+1.3 ptssince 1990
from 78.9% in 1990
19.8% rent
2.1
+3%since 1990
from 2.0 in 1990
1990 – 2024
RELATED:See current rent listings in Rock Valley on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98%(2,442)
Black0.2%(6)
Hispanic / Latino0%(0)
Asian1.3%(32)
Diversity Score4.9%(123)
2000
White, non-Hispanic98%(2,649)
Black0.1%(3)
Hispanic / Latino1%(28)
Asian0.3%(9)
Diversity Score3.7%(99)
4
−26%since 1990
from 5 in 1990
1990 – 2024
Section 05

Education

17.8%
+5.4 ptssince 1990
from 12.4% in 1990
US average: 24.4%
High school or higher
73.5%
+14.9 ptssince 1990
from 58.7% in 1990
US average: 80.3%
6.4%
+3.1 ptssince 1990
from 3.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

12.4 min
−19%since 1990
from 15.3 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.

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Frequently asked

How many people live in Rock Valley, Iowa?

Rock Valley, Iowa has about 2,702 residents according to the 2000 Census.

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

The typical household in Rock Valley, Iowa earns about $36,967 a year. Half of households make more than that, and half make less.

Is Rock Valley, Iowa expensive?

In Rock Valley, Iowa, the median home is worth about $77,300, and the typical rent is about $361 a month.

How educated are people in Rock Valley, Iowa?

About 17.8% of adults age 25 and over in Rock Valley, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Rock Valley, Iowa?

About 4.1% of people in Rock Valley, Iowa live below the federal poverty line.

Has Rock Valley, Iowa grown since 1990?

Yes, Rock Valley, Iowa has grown since 1990. The population has added about 210 residents, a change of about 8 percent over that period.

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

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