MILLTOWN, NJ - Borough offices will be closed on November 3 for Election Day. Milltown Borough Offices will reopen for regular business hours on Wednesday, November 4. Residents can drop off completed mail-in ballots at the secure ballot box located in front of the entrance to the Milltown Police Department on Washington Avenue. There are 31 ballot boxes located in Middlesex County including the one at the Milltown Municipal Complex. Residents can use the box in Milltown or one of the other convenient locations.