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CITY · 1990 CENSUS

Rock Valley

Iowa · 2,492 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 $23,133. Population has declined 8% since 2000. 12% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $46,800.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 36.2
US median: 33.0
Less educated
12% hold a bachelor's degree
US average: 20%
More affordable
home values down 20%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
2,492
−8%vs 2000
vs 2,702 in 2000
1990 – 2025
Population density
559 / sq mi
−8%vs 2000
vs 606 / sq mi in 2000
US average: 221
Median age
36.2
−5%vs 2000
vs 38.2 in 2000
US average: 33.0
Population, 1990 – 2024
2K3K3K4K4K1990201020202024Rock Valley
20244K
1990201020202024
Section 02

Income & economy

Median household income
$23,133
−18%inflation adjusted, since 2000
vs $36,967 in 2000
US average: $30,130
1990 – 2024
Per capita income
$11,399
−42%vs 2000
vs $19,660 in 2000
US average: $14,340
Poverty rate
7.7%
+3.7 ptsvs 2000
vs 4.1% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$46,800
−20%inflation adjusted, since 2000
vs $77,300 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$261
−5%inflation adjusted, since 2000
vs $361 in 2000
US average: $450
Owner-occupied
78.9%
−1.3 ptsvs 2000
vs 80.2% in 2000
21.1% rent
Afford Score
2.0
−3%vs 2000
vs 2.1 in 2000
1990 – 2024
RELATED:See current rent listings in Rock Valley on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98%(2,649)
Black0.1%(3)
Hispanic / Latino1%(28)
Asian0.3%(9)
Other0%
Diversity Score3.7%(99)
1990
White, non-Hispanic98%(2,442)
Black0.2%(6)
Hispanic / Latino0%(0)
Asian1.3%(32)
Other0.5%(12)
Diversity Score4.9%(123)
Diversity Score
5
+34%vs 2000
vs 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
12.4%
−5.4 ptsvs 2000
vs 17.8% in 2000
US average: 20.3%
High school or higher
58.7%
−14.9 ptsvs 2000
vs 73.5% in 2000
US average: 75.2%
Graduate degree
3.3%
−3.1 ptsvs 2000
vs 6.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
15.3 min
+24%vs 2000
vs 12.4 min in 2000
US average: 21.9
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 Rock Valley

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Pop 4,227
Madeira Beach
Pop 3,940
Places similar to Rock Valley
Head to head

Compare Rock Valley to nearby cities

ROCK VALLEY VS
Sioux Center
Income$92,983+302%
Home value$290,800+521%
Population8,864+112%
SEE FULL COMPARISON →
ROCK VALLEY VS
Harrisburg
Income$108,724+370%
Home value$312,200+567%
Population10,405+148%
SEE FULL COMPARISON →
ROCK VALLEY VS
Le Mars
Income$74,701+223%
Home value$219,200+368%
Population10,760+157%
SEE FULL COMPARISON →
ROCK VALLEY VS
Brandon
Income$110,806+379%
Home value$336,600+619%
Population11,306+170%
SEE FULL COMPARISON →
Frequently asked

How many people live in Rock Valley, Iowa?

Rock Valley, Iowa has about 2,492 residents according to the 1990 Census.

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

The typical household in Rock Valley, Iowa earns about $23,133 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 $46,800, and the typical rent is about $261 a month.

How educated are people in Rock Valley, Iowa?

About 12.4% 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 7.7% of people in Rock Valley, Iowa live below the federal poverty line.

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

How we source and harmonize this data →