Boulder, Colorado |
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|  Location of Boulder in Boulder County, Colorado | Coordinates:  40°00′54″N 105°16′14″W
[2] | | Country | United States |
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| State | Colorado |
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| County | Boulder[1] |
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| Settled | 1858 as Boulder City, N.T. |
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| Incorporated | 1871-11-04[3] |
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| Government |
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| • Type | Home rule municipality[1] |
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| • Mayor | Suzanne Jones |
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| • Mayor Pro Tem | Aaron Brockett |
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| Area |
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| • Home Rule Municipality | 25.85 sq mi (66.95 km2) |
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| • Land | 24.84 sq mi (64.33 km2) |
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| • Water | 1.01 sq mi (2.61 km2) |
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| Elevation | 5,328 ft (1,624 m) |
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| Population |
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| • Home Rule Municipality | 97,385 |
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| • Estimate | 108,090 |
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| • Rank | US: 278th |
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| • Density | 4,351.62/sq mi (1,680.14/km2) |
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| • Metro | 313,333 (US: 160th) |
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| Demonym(s) | Boulderite |
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| Time zone | UTC-7 (MST) |
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| • Summer (DST) | UTC-6 (MDT) |
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| ZIP codes[7] | 80301-80310, 80314, 80321-80323, 80328, 80329 |
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| Area code(s) | Both 303 and 720 |
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| FIPS code | 08-07850 |
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| Highways | US 36, SH 7, SH 52, SH 93, SH 119, SH 157 |
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| Website | bouldercolorado.gov |
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