what county is concord california
Concord (/ËkÉÅkÉËrd/ KONG-kord)[11] is the largest city in Contra Costa County, California. At the 2010 census, the city had a population of 122,067 making it the 8th largest city in the San Francisco Bay Area.[12][13] Founded in 1869 as the community of Todos Santos by Salvio Pacheco, the name was changed to Concord within months.