Back Boulder, Colorado Afrikaans Boulder ALS بولدر (كولورادو) Arabic بولدر, كولورادو ARZ بولدر، کولورادو AZB Боулдър Bulgarian Boulder (Colorado) Breton Boulder (Colorado) Catalan Боулдер (Колорадо) CE Boulder (kapital sa kondado sa Tinipong Bansa, Colorado) CEB
Boulder | |
|---|---|
 Pearl Street Mall in downtown Boulder, Colorado | |
 Seal | |
 Location of the City of Boulder in Boulder County, Colorado | |
  Boulder Location of Boulder in the United States  Boulder Boulder (the United States) | |
| Coordinates: 40°00′54″N 105°16′14″W / 40.01500°N 105.27056°W[2] | |
| Country | United States |
| State | Colorado |
| County | Boulder[1] |
| Settled | 1858 as Boulder City, N.T. |
| Incorporated | 1871-11-04[3] |
| Government | |
| • Type | Home rule municipality[1] |
| • Mayor | Aaron Brockett (D)[4] |
| • Mayor Pro Tem | Junie Joseph[5] |
| Area | |
| • Total | 27.366 sq mi (70.877 km2) |
| • Land | 26.328 sq mi (68.188 km2) |
| • Water | 1.038 sq mi (2.689 km2) |
| Elevation | 5,318 ft (1,621 m) |
| Population | |
| • Total | 108,250 |
| • Rank | 12th in Colorado 289th in United States |
| • Density | 4,112/sq mi (1,588/km2) |
| • Metro | 330,758 (155th) |
| • CSA | 3,623,560 (17th) |
| • Front Range | 5,055,344 |
| Demonym | Boulderite |
| Time zone | UTC–07:00 (MST) |
| • Summer (DST) | UTC–06:00 (MDT) |
| ZIP Codes[7] | 80301-80310, 80314, 80321-80323, 80328, 80329 |
| Area codes | 303 and 720 |
| FIPS code | 08-07850 |
| GNIS feature ID | 178680[2] |
| Website | bouldercolorado |
Boulder is a home rule city and the county seat of Boulder County, Colorado, United States.[1] It is the largest city in Boulder County, with a population of 108,250 at the 2020 United States census,[6] making it the 12th most populous city in Colorado. Boulder is the principal city of the Boulder, CO Metropolitan Statistical Area and an important part of the Front Range Urban Corridor.
Boulder is located at the base of the foothills of the Rocky Mountains, at an elevation of 5,430 feet (1,655 m) above sea level.[8][9] The city is 25 miles (40 km) northwest of the Colorado state capital of Denver. Boulder is a college town, being home to the flagship campus of the University of Colorado, the state's largest university.[10]
- ^ a b c d "Active Colorado Municipalities". Colorado Department of Local Affairs. Archived from the original on December 12, 2009. Retrieved October 15, 2021.
- ^ a b c U.S. Geological Survey Geographic Names Information System: Boulder, Colorado
- ^ "Colorado Municipal Incorporations". State of Colorado, Department of Personnel & Administration, Colorado State Archives. December 1, 2004. Archived from the original on September 27, 2007. Retrieved September 2, 2007.
- ^ "Shay Castle". twitter.com. Archived from the original on November 17, 2021. Retrieved November 16, 2021.
- ^ "Boulder Mayor Pro Tem Junie Joseph appointed to National League of Cities committee". April 5, 2021. Archived from the original on September 18, 2021. Retrieved September 18, 2021.
- ^ a b c "Decennial Census P.L. 94-171 Redistricting Data". United States Census Bureau, United States Department of Commerce. August 12, 2021. Archived from the original on December 17, 2021. Retrieved September 7, 2021.
- ^ "ZIP Code Lookup". United States Postal Service. Archived from the original on December 25, 2018. Retrieved October 20, 2014.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
- ^ "Boulder Elevation". www.BoulderColoradoUSA.com. Archived from the original on August 7, 2016. Retrieved February 10, 2016.
- ^ "History of Boulder". City Of Boulder. Archived from the original on October 29, 2020. Retrieved May 30, 2019.