1st District:  Upper Chichester Township, Lower Chichester Township, Marcus Hook Borough, Trainer Borough, Chester Township, Aston Township

2nd District:  City of Chester

3rd District:  Ridley Township

4th District:  Darby Borough, Collingdale Borough, Colwyn Borough

5th District:  Folcroft Borough, Norwood Borough, Glenolden Borough, Sharon Hill Borough, Darby Township

6th District:  Brookhaven Borough, Parkside Borough, Upland Borough, Morton Borough, Rutledge Borough, Springfield Township, Swarthmore Borough, Media Borough, Upper Providence Township, Nether Providence Township, Rose Valley Borough

7th District:  Clifton Heights Borough, Yeadon Borough, Lansdowne, Millborne Borough, East Lansdowne Borough

8th District:  Upper Darby Township

9th District:  Haverford Township

10th District:  Marple Township, Newtown Township, Radnor Township

11th District:  Aston Township, Bethel Township, Concord Township, Chadds Ford Township, Chester Heights, Middletown Township, Edgmont Township, Thornbury Township, Birmingham Township

12th District:  Ridley Park, Eddystone, Prospect Park, Tinicum Township