Mount Shasta is a city in Siskiyou County, California, located at around 3,600 ft (1,100 m) on the flanks of Mount Shasta, a prominent northern California landmark. The city is less than 9 miles (14 km) southwest of the summit of its namesake volcano. As of the 2000 Census the city had a total population of 3,624, with approximately 3,000 additional residents living immediately outside the city limits.