# Pennsylvania House of Representatives, District 21

The 21st Pennsylvania House of Representatives District is located in southwestern Pennsylvania and is represented by Lindsay Powell, who won a September 2023 special election to replace Sara Innamorato, who resigned in July 2023.

## District profile

The 21st District is located in Allegheny County and includes the following areas:
* Etna
* Millvale
* Pittsburgh (part)
** Ward 02 (part)
*** Division 02
** Ward 06
** Ward 09
** Ward 10 (part)
*** Division 01
*** Division 02
*** Division 03
*** Division 04
*** Division 05
*** Division 06
*** Division 07
*** Division 10
** Ward 23 (part)
*** Division 01
*** Division 03
** Ward 24
** Ward 26 (part)
*** Division 09
*** Division 17
* Reserve Township
* Shaler Township

## Representatives

| Representative | Party | Years | District home | Note |
| Prior to 1969, seats were apportioned by county. |||||
| Leonard L. Martino | Democrat | 1969 – 1974 | | |
| Thomas E. Flaherty | Democrat | 1975 – 1978 | | |
| Frank J. Pistella | Democrat | 1979 – 2006 | | Defeated in primary |
| Lisa Bennington | Democrat | 2007 – 2008 | Pittsburgh | Retired |
| Dom Costa | Democrat | 2009 – 2019 | Pittsburgh | Defeated in primary |
| Sara Innamorato | Democrat | 2019 – 2023 | Pittsburgh | Resigned to run for Allegheny County Executive |
| Lindsay Powell | Democrat | 2023 – present | Pittsburgh | Won special election September 19, 2023 |

## Recent election results

PA House election, 2024: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lindsay Powell (incumbent) | Unopposed | Unopposed |
| Total votes | Total votes | Total votes | 29,277 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House special election, 2023: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lindsay Powell | 7,318 | 65.54 |
| | Republican | Erin Connolly Autenreith | 3,848 | 34.46 |
| Total votes | Total votes | Total votes | 11,166 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2022: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Sara Innamorato (incumbent) | 20,255 | 63.58 |
| | Republican | Frank Perman | 11,601 | 36.42 |
| Total votes | Total votes | Total votes | 31,856 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2020: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Sara Innamorato (incumbent) | 24,057 | 66.38 |
| | Republican | John Waugh | 12,183 | 33.62 |
| Total votes | Total votes | Total votes | 36,240 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2018: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Sara Innamorato | Unopposed | Unopposed |
| Total votes | Total votes | Total votes | 19,985 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2016: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Dom Costa (incumbent) | Unopposed | Unopposed |
| Total votes | Total votes | Total votes | 26,453 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2014: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Dom Costa (incumbent) | Unopposed | Unopposed |
| Total votes | Total votes | Total votes | 13,992 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2012: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Dom Costa (incumbent) | Unopposed | Unopposed |
| Total votes | Total votes | Total votes | 22,772 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |
PA House election, 2010: Pennsylvania House, District 21 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Dom Costa (incumbent) | Unopposed | Unopposed |
| Total votes | Total votes | Total votes | 14,863 | 100.00 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |