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US City Data

Castle Rock vs Boulder

Side-by-side comparison

How does Castle Rock, CO compare to Boulder, CO? Castle Rock has a population of 76,614 with a median household income of $143,031, while Boulder has 106,274 residents and a median income of $85,364. Below you'll find a detailed breakdown of demographics, economy, and housing for both cities.

Population & Demographics
MetricCastle Rock, COBoulder, CODifference
Population76,614106,274-27.9%
Median Age35.828.8+24.3%
Foreign Born %5.4%10.2%-47.1%
Economy
MetricCastle RockBoulderDifference
Median Income$143,031$85,364+67.6%
Unemployment4.5%6.1%-26.2%
Poverty Rate3.8%21.8%-82.6%
Bachelor's+54.9%76.8%-28.5%
Housing
MetricCastle RockBoulderDifference
Home Value$621,700$982,600-36.7%
Median Rent$1946/mo$1924/mo+1.1%
Housing Units27,82446,765-40.5%

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Castle Rock, CO ProfileBoulder, CO ProfileCost of Living in ColoradoMore ComparisonsCity Rankings