Democrat Tom Malinowski defeated Rep. Leonard Lance by 16,200 votes in his bid for New Jersey’s 7th district congressional seat.
Final results released by the New Jersey Secretary of State show Malinowski unseating the five-term Republican congressman by a 51.7%-46.7% margin.
Two independent candidates combined for 1.5% of the vote.
Lance dropped 7.38% from his 2016 total and 12.56% from 2014.
Malinowski carried the Union County portion of his district by 13,567 votes (58%-41%), and won Somerset by 8,758 votes (54%-45%). In Millburn, the only Essex town in the 7th, Malinowski won 69% of the vote with a plurality of 3,503.
Lance won Hunterdon by 5,970 votes (54%-44%), Morris by 2,160 (52%-47%), and Warren by 1,498 (54%-43%).
In the 2014 mid-term election, Lance carried Hunterdon by 10,309, Morris by 6,855, and Warren by 2,207. He also won Somerset by 11,452 and Union by 5,267.
In 2016, Hillary Clinton carried the 7th by one percentage point, 48%-47%. Four years earlier, Mitt Romney had won by a 53%-47% margin over Barack Obama.
Malinowski served as an Assistant U.S. Secretary of State in the Obama administration and worked in the Clinton White House.