Pennsylvania State Senate seat · lines in effect since 2022

Pennsylvania Senate District 19

A district of about 259,000 people, 58% of adults with a bachelor's degree. It votes D+18.7 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Carolyn Comitta (D) · won56.5%
  2. Duane Milne (R)43.5%

Full results →

Source: Pennsylvania Department of StateUpdated Oct 1, 2026, 6:19 AM ET

Where it sits among all 50 seats

Every Pennsylvania State Senate 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+18.711th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 19

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 election for this seat

16 races since 1968; the seat changed party 1 time. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2024Carolyn Comitta (D)Duane Milne (R)13.0
Lines first used in 2012
2020Carolyn Comitta (D)Kevin T. Runey (R)15.0
2016Andrew E. Dinniman (D)Jack Samuel London (R)12.8
2012Andrew E. Dinniman (D)Christopher J. Amentas (R)14.9
Lines first used in 2002
2008Andrew E. Dinniman (D)FlipSteve Kantrowitz (R)15.5
2004Robert J. Thompson (R)—Unopposed
Lines first used in 1992
2000Robert J. Thompson (R)Thomas J. Bosak (D)26.6
1996Robert J. Thompson (R)Thomas J. Bosak (D)29.7
1992Earl M. Baker (R)Joseph S. Magid (D)28.0
Lines first used in 1982
1988Earl M. Baker (R)Thomas A. Doherty Jr. (D)36.8
1984John Stauffer (R)Linda Leboutiller (D)42.7
Lines first used in 1972
1980John Stauffer (R)Gerald J. Kowal (D)52.7
1976John Stauffer (R)—Unopposed
1972John Stauffer (R)Walter J. Ciolko (D)44.1
Lines first used in 1962
1970 specialJohn Stauffer (R)Albert M. Greenfield Jr. (D)21.0
1968John H. Ware III (R)Fred T. Cadmus III (D)16.1

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Districts that overlap District 19

The state's districts in other chambers that share residents with this one, and the share of District 19's area in each.

U.S. House
PA-6 100%
Pennsylvania House of Representatives
HD-13 45%, HD-158 19%, HD-157 14%, HD-156 11%, HD-167 6%

Every race on these lines

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

201620182020
PresidentD+14.6No raceD+21.6
U.S. SenateD+2.1D+24.0No race
GovernorNo raceD+28.3No race

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

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET

Who lives here, compared

Grey bars show the spread of all 50 seats. Small marks are other seats in Pennsylvania. The black marker is District 19.

Adults with a bachelor's degree58% 96th pct · 3rd of 50 in PA

Higher than 96% of seats.

White adults without a degree31% 16th pct · 42nd of 50 in PA

Lower than 84% of seats.

Hispanic residents8% 63rd pct · 19th of 50 in PA

Higher than 63% of seats.

Black residents6% 57th pct · 22nd of 50 in PA

Higher than 57% of seats.

Asian residents7% 86th pct · 8th of 50 in PA

Higher than 86% of seats.

People per square mile789 51st pct · 25th of 50 in PA

Denser than 51% of seats.

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