The 2018 San Diego City Council election occurred on November 6, 2018. The primary election was held June 5, 2018. Four of the nine seats of the San Diego City Council were contested. Municipal elections in California are officially non-partisan, although most members do identify a party preference. A two-round system was used for the election, starting with a primary in June followed by a runoff in November between the top-two candidates in each district.