Boulder County, CO Map
Official Census boundary of Boulder County, Colorado (FIPS 08013). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Boulder County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
328,961
Households
137,008
Median household income
$103,994
Median age
37.7 years
Median home value
$756,300
Median gross rent
$1,966/mo
Owner-occupied homes
62%
Bachelor's degree or higher
64.2%
Below poverty level
11.2%
Land area
726.4 sq mi
Population density
453 / sq mi