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CITY · 1990 CENSUS

Rock Island

Washington · 547 residents · 1.127 sq mi
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The short version

Rock Island has notably lower household income than the US average, with a median household income of $21,316. Population has fallen 37% since 2000, a loss of 316 residents. 2% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $46,200. At a median age of 28.6, residents skew younger than the country as a whole. Households here earn about 32% less than the Washington median.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 28.6
US median: 33.0
Less educated
2% hold a bachelor's degree
US average: 20%
More affordable
home values down 30%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

547
−37%vs 2000
vs 863 in 2000
1990 – 2025
485 / sq mi
−37%vs 2000
vs 766 / sq mi in 2000
US average: 221
28.6
−1%vs 2000
vs 28.8 in 2000
US average: 33.0
Population, 19902024
4627169701K1K1990201020202024Rock Island
20241K
1990201020202024
Section 02

Income & economy

$21,316
−16%inflation adjusted, since 2000
vs $33,618 in 2000
US average: $30,130
1990 – 2024
$7,754
−45%vs 2000
vs $14,129 in 2000
US average: $14,340
12.4%
+0.8 ptsvs 2000
vs 11.6% in 2000
US average: 13.2%
Section 03

Housing

$46,200
−30%inflation adjusted, since 2000
vs $86,800 in 2000
US average: $93,722
1990 – 2024
$386
−14%inflation adjusted, since 2000
vs $593 in 2000
US average: $450
78.9%
−6.3 ptsvs 2000
vs 85.2% in 2000
21.1% rent
2.2
−16%vs 2000
vs 2.6 in 2000
1990 – 2024
RELATED:See current rent listings in Rock Island on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic65.4%(564)
Black0%(0)
Hispanic / Latino30.6%(264)
Asian0.7%(6)
Other0%
Diversity Score55.3%(477)
1990
White, non-Hispanic93.6%(512)
Black0%(0)
Hispanic / Latino4.9%(27)
Asian0%(0)
Other6.4%(35)
Diversity Score24.8%(136)
25
−55%vs 2000
vs 55 in 2000
1990 – 2024
Section 05

Education

1.7%
−1.9 ptsvs 2000
vs 3.6% in 2000
US average: 20.3%
High school or higher
69.2%
+1.5 ptsvs 2000
vs 67.7% in 2000
US average: 75.2%
0.0%
Unchangedvs 2000
vs 0.0% in 2000
US average: 7.1%
Section 06

Commute & transportation

18.5 min
+49%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.

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Frequently asked

How many people live in Rock Island, Washington?

Rock Island, Washington has about 547 residents according to the 1990 Census.

What is the median household income in Rock Island, Washington?

The typical household in Rock Island, Washington earns about $21,316 a year. Half of households make more than that, and half make less.

Is Rock Island, Washington expensive?

In Rock Island, Washington, the median home is worth about $46,200, and the typical rent is about $386 a month.

How educated are people in Rock Island, Washington?

About 1.7% of adults age 25 and over in Rock Island, Washington hold a bachelor's degree or higher.

What is the poverty rate in Rock Island, Washington?

About 12.4% of people in Rock Island, Washington live below the federal poverty line.

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

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