 The largest communities by population are located in Los Angeles (esp.East Los Angeles (region), which became a Chicano community since the end of World War II), and unincorporated East Los Angeles (97% Hispanic/Latino - highest in LA county).East L.A. was 65% Mexican-American in the 1970 US census reports, peaked at 85% in 2000, but has dropped to 40% out of 97% Latino in 2015 and according to the US Census in 2015, 88% of Mexicans living in East L.A. are now immigrants.