Congregations The Presbytery of New Brunswick serves 39 congregations across four New Jersey counties which include Hunterdon, Mercer, Middlesex, Somerset. Find Locations Near: Place: Street: City: State: Zip: Select a distance: 1 mi 5 mi 10 mi 25 mi 50 mi 100 mi 500 mi 1000 mi Tags Hunterdon County Mercer County Middlesex County Somerset County Categories Church