The 31st District covers Bayonne and part of Jersey City.
More than half of all voters in the district are registered as Democrats, and they outnumber unaffiliated voters. Fewer than 8 percent are registered as Republicans.
Both incumbent Democrats are seeking re-election. They are Assembly members Angela V. McKnight of Jersey City and Nicholas Chiaravalloti of Bayonne.
The Republican candidates are Jason Todd Mushnick and Mary Kay Palange, both of Jersey City.