| State: | Pennsylvania |
| District: | 156 |
| Chamber: | House of Representatives |
| Representative: | Chris Pielli |
| Party: | Democratic |
| Residence: | West Chester |
| Population Year: | 2011 |
The 156th Pennsylvania House of Representatives District is located in Chester County and includes the following areas:[1]
| Representative | Party | Years | District home | Note | |
|---|---|---|---|---|---|
| Prior to 1969, seats were apportioned by county. | |||||
| 1969 - 1977 | Was not a candidate for re-election | ||||
| Republican | 1977 - 2007 | Was not a candidate for re-election | |||
| 2007 - 2011 | Unsuccessful candidate for re-election | ||||
| Republican | 2011 - 2017 | Unsuccessful candidate for re-election | |||
| 2017 - 2021 | Elected to the Pennsylvania Senate | ||||
| Dianne Herrin | Democrat | 2021 - 2023 | West Chester | Retired | |
| Chris Pielli | Democrat | 2023 - Present | West Chester | Incumbent |