Nine days ahead of the July 7 deadline, Contra Costa County’s clerk-recorder certified final primary election results. The outcome of most races were unsurprising, but one in particular reflects the glaring impact of gerrymandering. In a press release issued Tuesday, Clerk-Recorder Debi Cooper said: Cooper added: Results of most races were as expected, with the area’s Democrat majority indicating in the primary that most incumbents will retain their seats by comfortable margins.