The flag of Los Angeles County  — in Southern  California. Used from 2004 to 2014 and from 2016 to the present. 
The current "Los Angeles County flag". It consists of the Los Angeles County seal on a rich blue background, with the words "COUNTY OF LOS ANGELES" on a green stripe across the bottom.
Derivative work of File:Seal of Los Angeles County, California.svg
Unknown - Design commissioned by Los Angeles County governing entityVector flag created by Offnfopt using elements from Los Angeles County governing entity