Has Michelle Wu changed Boston in her first term? We asked 100 residents.

Wu’s performance as mayor is on many voters’ minds as she prepares to formally secure her second term in the Nov. 4 election.

Boston’s mayoral race is over. That could mean far fewer voters actually decide the city’s at-large election.

Concerns about turnout, and speculation over its implications on the race for city-wide seats on the city council, are ...