BOSTON — Four new Boston City Councilors were elected Tuesday, including one by a margin of just 10 votes.

Julia Mejia beat Alejandra Nicole St. Guillen, 22,464-22,454, for the fourth at-large seat. Mejia will join at-large incumbents Michelle Wu, who led all candidates with 41,616 votes, Annissa Essaibi-George and Michael Flaherty. Althea Garrison lost her re-election bid.

In the non-binding question about whether Dudley Square should be renamed Nubian Square, 54 percent of voters said no.

Election Results

Unofficial results. Winners printed in bold type. Candidates for re-election are marked with an asterisk (*).