Weed is a city located in
Siskiyou County,
California,
United States. As of the
2010 Census, the town had a total population of 2,967, down from 2,979 in 2000. There are several unincorporated communities adjacent to, or just outside Weed proper. These include
Edgewood,
Carrick, and Lake Shastina. These communities generally have mailing addresses that use Weed, or its ZIP code. The total population of this area in 2007 was 6,318. Weed is about west-northwest of
Mount Shasta, a prominent northern California landmark, and the second-tallest volcano in the
Cascade Range.