Door and Kewaunee County residents will head to the polls Tuesday with several leadership positions on the ballot. The City of Sturgeon Bay will decide on a new mayor Tuesday as well as fill four aldermanic seats.  Door County will have many races for town boards and school boards.  Contested races in Kewaunee County include supervisors in the Town of Lincoln and Pierce, Town of Luxemburg chair and clerk, and Town of West Kewaunee chair.   The polls will remain open from 7 am until 8 pm.  WBDK 96.7FM will provide election coverage on-air starting at 8:15 with updated results on DoorCountyDailyNews.com throughout the evening.