 For example, in 2000 California had more Bulgarian Americans, Romanian Americans and Hungarian Americans than any other U.S. state.Los Angeles and San Francisco have large Russian American and Ukrainian American populations; and a long history of German, Irish, Italian, English and Polish communities established by immigrants in the late 19th century.There are also many English Americans, Irish Americans, and French Americans whose ancestors were the original 49ers, also known as the California Gold Rush immigrants.