Information The deadline to register to vote is Monday March 28th March 23, 2016 Marcia Stiller The Presidential politics are – well, no one has seen anything quite like it in recent times. Meanwhile, a hotly contested PA Senate race and other national offices are up for grabs. Are YOU registered to vote in the primary? – the deadline is Monday March 28. www.votespa.com is the official state voter registration info website. .