A head to head comparison of the California 2018 General Election gives us an idea of the break down of the voters.
Dianne Feinstein received 6.02M (54.16 %) votes, beating Kevin de León who gained 5.09M (45.84 %) by 925.48k votes in California.
Dianne Feinstein won 18 counties out of the 58 counties that make up California. The record shows that Kevin de León won 40 counties.
During the 2018 general elections, over 11M total number of votes were cast. Dianne Feinstein got 6,019,422 (6M) over Kevin de León 5,093,942 (5M). He won the popular vote by 6,019,422 (6M). His victory in the State of California (with 6,019,422 votes) represents 50.0% of his popular vote victory.
Top 15 Counties in General Elections
All Candidates (Senate General Elections)
These 15 counties play an important role in these Primary elections. If a candidate, can get a sizable majority in the largest counties (Los Angeles, San Diego and Orange), it becomes very difficult to win majorities in the smaller counties without voter outreach and increased voter participation in them.
Top 15 Counties Comparison in General Elections
Kevin de León
Los Angeles, San Diego and Orange, three of the larger counties voted in favor of Dianne Feinstein, giving him a 558k vote advantage.