Boulder, Colorado
‹ The template Infobox settlement is being considered for merging. › Home Rule Municipality in Colorado, United States Boulder, Colorado Home Rule Municipality View of South Boulder from Bear Peak Seal Location of Boulder in Boulder County, Colorado Coordinates: 40°00′54″N 105°16′14″W / 40.01500°N 105.27056°W / 40.01500; -105.27056 Coordinates: 40°00′54″N 105°16′14″W / 40.01500°N 105.27056°W / 40.01500; -105.27056 [1] Country United States State Colorado County Boulder [2] Settled 1858 as Boulder City, N.T. Incorporated 1871-11-04 [3] Government • Type Home rule municipality [2] • Mayor Suzanne Jones • Mayor Pro Tem Aaron Brockett Area [4] • Home Rule Municipality 25.85 sq mi (66.95 km 2 ) • Land 24.84 sq mi (64.33 km 2 ) • Water 1.01 sq mi (2.61 km 2 ) Elevation [1] 5,328 ft (1,624 m) Population (2010) [5] • Home Rule Municipality 97,385 • Estimate (2016) [6] 108,090 • Rank US: 278th • Density 4,351.62/sq mi (1,680.14/km 2 ) • Metro 313,333 (US: 160th) Demo