Incumbent Republican Tayfun Selen now leads Democrat Cary Amaro by 7,948 votes in a race to hold his seat on the Morris County Board of Freeholders.
Selen now leads Amaro, 128,720 to 120,772, 51.6% to 38.4%.
On election night, Amaro was 7,617 votes ahead.
There are about 40,000 additional ballots to be counted in Morris County.
Democrats have not won a countywide election in Morris since 1973, when Douglas Romaine won an upset victory in a race for freeholder. He lost re-election in 1976.