Pennsylvania House of Representatives seat · lines in effect since 2022

Pennsylvania House District 21

A district of about 58,000 people, 48% of adults with a bachelor's degree. It votes D+24.0 relative to the nation for president.

Lindsay Powell (D) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 203 seats

Every Pennsylvania House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+24.047th most
Democratic

Most DemocraticMost Republican102nd seat · the majority lineDistrict 21

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

	2016	2018	2022
U.S. Senate	D+16.4	D+29.7	No race
Governor	No race	D+32.3	No race
Pennsylvania House of Representatives	No race	No race	D+27.2

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 203 seats. Small marks are other seats in Pennsylvania. The black marker is District 21.

Adults with a bachelor's degree48% 82nd pct · 38th of 203 in PA

12%80%

Higher than 82% of seats.

White adults without a degree48% 47th pct · 109th of 203 in PA

3%80%

Lower than 53% of seats.

Hispanic residents2% 19th pct · 164th of 203 in PA

1%64%

Lower than 81% of seats.

Black residents4% 47th pct · 108th of 203 in PA

0%84%

Lower than 53% of seats.

Asian residents2% 47th pct · 109th of 203 in PA

0%20%

Lower than 53% of seats.

People per square mile2,919 73rd pct · 56th of 203 in PA

2533K

Denser than 73% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

District 20
48% college gradsD+17.5Held D District 161
42% college gradsD+13.8Held D District 27
44% college gradsD+21.2Held D District 152
45% college gradsD+17.6Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

Lindsay Powell (D)
2025– · Won 2024 unopposed, 2026 unopposed
Sara Innamorato (D)
2023–2025 · Won 2022 by 27.2

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)