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US City Data

Rock Island vs Castle Rock

Side-by-side comparison

How does Rock Island, WA compare to Castle Rock, WA? Rock Island has a population of 1,142 with a median household income of $55,114, while Castle Rock has 2,298 residents and a median income of $65,272. Below you'll find a detailed breakdown of demographics, economy, and housing for both cities.

Population & Demographics
MetricRock Island, WACastle Rock, WADifference
Population1,1422,298-50.3%
Median Age36.431.1+17.0%
Foreign Born %18.3%3.6%+408.3%
Economy
MetricRock IslandCastle RockDifference
Median Income$55,114$65,272-15.6%
Unemployment1.7%6.7%-74.6%
Poverty Rate9.4%6.5%+44.6%
Bachelor's+10.3%14.6%-29.5%
Housing
MetricRock IslandCastle RockDifference
Home Value$255,500$301,000-15.1%
Median Rent$1094/mo$1326/mo-17.5%
Housing Units414933-55.6%

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Rock Island, WA ProfileCastle Rock, WA ProfileCost of Living in WashingtonMore ComparisonsCity Rankings