Evanston Now Big turnover possible in Tuesday’s election Evanston could see the biggest turnover among its elected office holders in two decades in Tuesday’s election — and the turnover is already guaranteed to be bigger than average. Evanston could see the biggest turnover among its elected office holders in two decades in Tuesday’s election — and the turnover is already guaranteed to be bigger than average. During local elections dating back to 2001, Evanston voters, through a combination of filling vacancies and turning out incumbents, have on average replaced 3.4 of the 11 elected positions — mayor, clerk and nine aldermen — in elections held every four years.