San Francisco - Evolution of population by race (2010-1940)

Only 38% of the city's residents were born in California, while 25% were born in a different U.S. state, and 36% were born outside the United States.

Reference 1: White, Non-Hispanic White, Asian, Black or African American, American Indian and Alaska Native, Native Hawaiian and Other Pacific Islander, Some other race, Two or more races and Hispanic or Latino (of any race).

Reference 2: 2010, 2000, 1990, 1970 and 1940.

Source: http://en.wikipedia.org/wiki/San_Francisco