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Boulder, CO

Boulder, Colorado
Home Rule Municipality
View of Boulder from Bear Peak
View of Boulder from Bear Peak
Location in Boulder County and the State of Colorado
Location in Boulder County and the State of Colorado
Coordinates: 40°01′39″N 105°15′07″W / 40.027435°N 105.251945°W / 40.027435; -105.251945Coordinates: 40°01′39″N 105°15′07″W / 40.027435°N 105.251945°W / 40.027435; -105.251945
Country United States
State Colorado
County Boulder
Settled 1858 as Boulder City, N.T.
Incorporated 1871-11-04
Government
 • Type Home rule municipality
 • Mayor Suzanne Jones
 • Mayor Pro Tem Mary Young
Area
 • Home Rule Municipality 25.7 sq mi (66.5 km2)
 • Land 24.7 sq mi (63.9 km2)
 • Water 1.0 sq mi (2.6 km2)
Elevation 5,430 ft (1,655 m)
Population (2010)
 • Home Rule Municipality Increase 97,385
 • Estimate (2014) 105,112
 • Rank US: 278th
 • Metro 313,333 (US: 160th)
Demonym(s) Boulderite
Time zone MST (UTC-7)
 • Summer (DST) MDT (UTC-6)
ZIP codes 80301-80310, 80314, 80321-80323, 80328, 80329
Area code(s) Both 303 and 720
INCITS place code 0807850
GNIS feature ID 0178680
Highways US 36, SH 7, SH 52, SH 93, SH 119, SH 157
Website bouldercolorado.gov
Boulder, Colorado
Climate chart ()
J F M A M J J A S O N D
 
 
0.7
 
 
47
22
 
 
0.8
 
 
48
23
 
 
2.1
 
 
56
29
 
 
2.7
 
 
63
36
 
 
2.8
 
 
72
44
 
 
2.2
 
 
82
51
 
 
1.8
 
 
88
57
 
 
1.9
 
 
85
56
 
 
1.6
 
 
78
48
 
 
1.6
 
 
66
38
 
 
1.3
 
 
54
29
 
 
0.9
 
 
45
21
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: NOAA
J F M A M J J A S O N D
 
 
0.7
 
 
47
22
 
 
0.8
 
 
48
23
 
 
2.1
 
 
56
29
 
 
2.7
 
 
63
36
 
 
2.8
 
 
72
44
 
 
2.2
 
 
82
51
 
 
1.8
 
 
88
57
 
 
1.9
 
 
85
56
 
 
1.6
 
 
78
48
 
 
1.6
 
 
66
38
 
 
1.3
 
 
54
29
 
 
0.9
 
 
45
21
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: NOAA