United States › Washington › Rock Island CITY · 1990 CENSUS
Rock Island Washington · 547 residents · 1.13 sq mi
Time machine
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The short version
With 547 people, Rock Island is a city in Washington. 2% of adults hold a bachelor's degree, below the 20% national rate. Owners hold 79% of the housing stock. There are 316 fewer people here than in 2000. The median age is 28.6, younger than the US median of 33.0. That trails the Washington median by roughly 32%.
At a glance
Lower income
median household income $21,316, 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 vs 766 / sq mi in 2000
US average: 221
vs 28.8 in 2000
US average: 33.0
Population, 1990 – 2024
462 716 970 1K 1K 1990 2000 2010 2020 2024 Rock Island Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $21,316
−16%inflation adjusted, since 2000
vs $33,618 in 2000
US average: $30,130
vs $14,129 in 2000
US average: $14,340
vs 11.6% in 2000
US average: 13.2%
$46,200
−30%inflation adjusted, since 2000
vs $86,800 in 2000
US average: $93,722
$386
−14%inflation adjusted, since 2000
vs $593 in 2000
US average: $450
vs 85.2% in 2000
21.1% rent
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 65.4%(564)
Hispanic / Latino 30.6%(264)
1990
White, non-Hispanic 93.6%(512)
Hispanic / Latino 4.9%(27)
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 5 more ancestry groups with data vs 3.6% in 2000
US average: 20.3%
High school or higher
vs 67.7% in 2000
US average: 75.2%
vs 0.0% in 2000
US average: 7.1%
Section 06
Commute & transportation 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.
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 27.7% in 2013
US average: 8.4%
from 28.1% in 2020
US average: 54.8%
Direct-purchase
from 6.5% in 2020
US average: 13.8%
from 15.9% in 2020
US average: 18.4%
from 45.6% in 2020
US average: 20.9%
VA health care
from 4.0% in 2020
US average: 2.2%
Any private
from 35.6% in 2020
US average: 67.1%
Any public
from 55.6% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 0%(0)
Share of the 61 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Rock Island Head to head
Compare Rock Island to nearby cities ROCK ISLAND VS
East Wenatchee
Income $77,558 +264%
Home value $429,200 +829%
Population 14,414 +722%
SEE FULL COMPARISON →
ROCK ISLAND VS
Wenatchee
Income $73,040 +243%
Home value $433,700 +839%
Population 35,547 +1928%
SEE FULL COMPARISON →
ROCK ISLAND VS
Quincy
Income $87,902 +312%
Home value $336,800 +629%
Population 8,510 +385%
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ROCK ISLAND VS
Ephrata
Income $69,551 +226%
Home value $252,000 +445%
Population 8,834 +404%
SEE FULL COMPARISON →
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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