Bar chart showing current and future political ad spending in the San Diego metro area from Aug. 1 to Nov. 5, as of Sept. 20. Democrats have spent about $1m on ads for presidential, congressional and down-ballot races in the metro area; $255.4k from outside groups and $1.1m from campaigns themselves. Republicans have spent a total of $1m, $11.7k from outside groups and $1.4m from campaigns.