The San Francisco Board of Supervisors is the legislative body of San Francisco, California. The body consists of eleven members elected from single-member districts through ranked choice voting. From 1977 to 1979, and starting again in 2000, supervisors were elected from eleven single-member districts. Prior to 1977 and from 1980 to 1998, members were elected at-large, all running on one ballot, with the top vote-getters winning office. In 1980, elections shifted from odd-numbered years to even-numbered years, and because of the shift from district to at-large elections, all seats were up for election, with some members winning four-year terms and some winning two-year terms. Similar cases of supervisors elected to truncated terms happened in 1977 and 2000, when elections shifted to distr