Explore the Best Attractions in Boulder Colorado

Boulder is the home rule city that is the seat of Boulder County, Colorado, United States. With a population of 108,250 at the 2020 census, it is t…
Boulder is the home rule city that is the seat of Boulder County, Colorado, United States. With a population of 108,250 at the 2020 census, it is the most populous city in the county and the 12th-most populous city in Colorado. Boulder is the principal city of the Boulder, CO Metropolitan Statistical Area, which had 330,758 residents in 2020 and is part of the Front Range Urban Corridor.
  • Country: United States
  • State: Colorado
  • County: Boulder
  • Settled: 1858 as Boulder City, N.T.
  • Incorporated: November 4, 1871
  • Elevation: 5,319 ft (1,621 m)
  • Area codes: 303/720/983

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Data from: en.wikipedia.org