The 13th District is made up of 16 communities in Monmouth County: Aberdeen, Atlantic Highlands, Fair Haven, Hazlet, Highlands, Holmdel, Keansburg, Keyport, Little Silver, Marlboro, Middletown, Monmouth Beach, Oceanport, Rumson, Sea Bright, and Union Beach.
Voter registration is almost evenly divided between the major parties, with Republicans holding a slight advantage. Still, about 46 percent of all voters are unaffiliated. The district skews red.
One of two GOP Assembly members is retiring. Replacing incumbent Amy Handlin on the ballot is Gerard Scharfenberger of Middletown. He is running with freshman Assemblywoman Serena DiMaso of Holmdel.
The Democrats are Allison Friedman of Aberdeen and Barbara Singer of Holmdel.