Tucson, Arizona
City
City of Tucson
From upper left: Downtown Tucson skyline, Pima County Courthouse, Old Main, University of Arizona, Saguaro National Park, St. Augustine Cathedral, Santa Catalina Mountains
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Nickname(s): "The Old Pueblo", "Optics Valley"
Location of Tucson in Pima County, Arizona.
Tucson Location in the United States Show map of ArizonaShow map of the USShow all
Coordinates: 32°13′18″N 110°55′35″W
Country	United States
State	Arizona
County	Pima
Incorporated	February 7, 1877[1]
Government
• Type	Council-manager government
• Mayor	Jonathan Rothschild (D)
Area[2]
• City	236.50 sq mi(612.55 km2)
• Land	236.19 sq mi (611.73 km2)
• Water	0.32 sq mi (0.82 km2)
Elevation	2,389 ft (728 m)
Population (2010)[3]
• City	520,116
• Estimate (2016)[4]	530,706
• Rank	US: 33rd
• Density	2,246.95/sq mi (867.55/km2)
• Urban	843,168 (52nd)
• Metro	1,010,025 (53rd)
• Demonym	Tucsonan
Time zone	MST (UTC-7)
• Summer (DST)	no DST (UTC-7)
ZIP codes	85701-85775
Area code	520
FIPS code	04-77000
GNIS feature ID	43534[5]
Website	www.tucsonaz.gov