The Mercer County Clerk's Election Office is located on the second floor of the Old Courthouse at 209 South Broad Street, in Trenton; Sheriff's Officers will be on-site to provide security.
The last day for filing an application for an absentee ballot by mail for the Presidential Election is Tuesday, October 28. However, voters may apply for an absentee ballot in person up until 3:00 pm on Monday, November 3, the day before the election. In order to obtain an absentee ballot, you must be registered to vote in Mercer County. The Mercer County Clerk's Office has on-site a registered voter and signature verification system so voters will receive their absentee ballot on the spot.