I had to cut out the upper right to remove two precincts (with a total of 39 votes, for all candidates - I blame the tyranny of rectangles) that went Trump, but regardless, this is a pretty impressive area and a pretty impressive number of people to have no visible red:
The less pretty but unedited wider view (the red parts are relatively uninhabited):
CA GOAT
My precinct on this map has ~900 total votes, with ~90 for Trump, across 7 square blocks - which makes me wonder, who are the 90 *******s who I coexist with and walk by every day who voted for Donald Trump?? **** those people.