The 166th Pennsylvania House of Representatives District is in South Eastern Pennsylvania and has been represented by Greg Vitali since 1993. District profile The 166th Pennsylvania House of Representatives District is located in Delaware County and Montgomery County and includes the following areas: Delaware County Haverford Township (PART, Wards 02, 03, 04, 05, 06, 07 and 08) Radnor Township (PART) Ward 01 [PART, Division 02] Ward 02 Ward 03 [PART, Division 02] Ward 05 [PART, Division 01] Ward 07 Montgomery County Lower Merion Township (PART) Ward 04 Ward 08 Ward 10 [PART, Division 03] Representatives Recent election results References External links District map from the United States Census Bureau Pennsylvania House Legislative District Maps from the Pennsylvania Redistricting Commission. Population Data for District 44 from the Pennsylvania Redistricting Commission. Government of Delaware County, Pennsylvania Government of Montgomery County, Pennsylvania 166