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Compare Boulder to Castle Rock

This post compares Boulder, Colorado to Castle Rock, Colorado across various dimensions, including population, median income, median age, percentage of housing that is rental, percent of households with kids, and other demographics.

Dimension Boulder (city) Castle Rock (town)
Population 106,271 57,274
Income (median) $56,858 $65,346
Home Value (median) $600,400 $356,600
White 87% 91%
Black 1% 1%
Asian 5% 1%
With Kids 18% 47%
Age (median) 28 34
Rentals 51% 23%

Questions and Answers:

Q: Which is more populated, Boulder or Castle Rock?
A: Boulder has a larger population count than Castle Rock: 106271 compared with 57274 total people.

Q: Do incomes tend to be higher in Boulder or in Castle Rock?
A: Incomes are on average lower in Boulder.

Q: Are homes more expensive in Boulder or Castle Rock?
A: Homes tend to be more expensive in Boulder.

Q: Which has a higher percentage of housing rental units?
A: Boulder does. The percentage of rentals differs quite a bit: 51% for Boulder versus 23% for Castle Rock.

Somewhat similar in-state cities, towns, and CDPs to Boulder may include: Golden, Fort-Collins, and Broomfield.

The statistics and analyses on this page are based on data from the U.S. Census American Community Survey.

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