Los Angeles - Demographics - Race and ethnicity evolution across the time

According to the 2010 United States Census, Los Angeles had a median household income of  $ 49,497, with 22.0% of the population living below the federal poverty line.

Reference 1: Non-Hispanic White, Black or African American, Hispanic or Latino and Asian.

Reference 2: 2010[88], 1990[89], 1970[89] and 1940[89].

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