It’s primary election day. Here’s what you need to know.

Nearly 20% of residents across Salt Lake County have already cast their ballots in this year’s primary election, which includes a handful of hot mayoral contests.But it’s not too late for voters who haven’t mailed in their ballots to weigh in on which candidates they want to see move forward to November’s general election — and “every vote” in these races will count “with this small of turnout,” said Salt Lake County Clerk Sherrie Swensen.She