Region 1
Yardley Borough and portions of Lower Makefield Township (Lower Makefield Township - election districts/precincts N-1, N-2, N-3, N-4, N-5, N-6, S-5, S-8, and S-9)
Region 2
Tullytown Borough and portions of Falls Township (Falls Township - election districts/precincts 4-1, 4-2, 4-3, 4-4, 4-5, 4-6, 4-7, 1-1, 1-4, 1-5, and 1-7)
Region 3
Portions of Lower Makefield Township (Lower Makefield Township - election districts/precincts S-1, S-2, S-3, S-4, S-6, and S-7) and portions of Falls Township (Falls Township - election districts/precincts 1-2, 1-3, 1-6, 2-1, 2-2, 3-1, and 3-2)