Pennsylvania State Senate seat · lines in effect since 2022

Pennsylvania Senate District 23

A district of about 263,000 people, 24% of adults with a bachelor's degree. It votes R+42.2 relative to the nation for president.

Gene Yaw (R) · since Nov 4, 2008Next election Nov 7, 2028

2024 election

Nov 5, 2024
  1. Gene Yaw (R) · won74.7%
  2. Kim Pitcher (D)25.3%

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.

R+42.247th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 23

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

15 races since 1968. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2024Gene Yaw (R)Kim Pitcher (D)49.3
Lines first used in 2012
2020Gene Yaw (R)Jaclyn E. Baker (D)46.1
2016Gene Yaw (R)—Unopposed
2012Gene Yaw (R)Luana Cleveland (D)39.5
Lines first used in 2002
2008Gene Yaw (R)Trey Casimir (D)31.2
2004Roger A. Madigan (R)Grant Berry Jr. (D)47.0
Lines first used in 1992
2000Roger A. Madigan (R)—Unopposed
1996Roger A. Madigan (R)—Unopposed
1992Roger A. Madigan (R)Harry A. Vansickle (D)45.1
Lines first used in 1982
1988Roger A. Madigan (R)—Unopposed
1984Roger A. Madigan (R)Richard A. Waltz (D)40.2
Lines first used in 1972
1980Henry Hager (R)John E. Anstadt (D)40.9
1976Henry Hager (R)Larry E. Wood (D)34.7
1972Henry Hager (R)Walter J. Heim (D)12.4
Lines first used in 1962
1968Zehnder H. Confair (R)Edward M. Flynn (D)21.0

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 23

The state's districts in other chambers that share residents with this one, and the share of District 23's area in each.

U.S. House
PA-15 55%, PA-9 45%
Pennsylvania House of Representatives
HD-68 40%, HD-84 36%, HD-110 13%, HD-76 5%

Every race on these lines

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

2016201820202024
PresidentR+43.5No raceR+41.0R+48.2
U.S. SenateR+37.8R+29.6No raceR+45.8
GovernorNo raceR+27.0No raceNo 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 23.

Adults with a bachelor's degree24% 12th pct · 44th of 50 in PA

Lower than 88% of seats.

White adults without a degree70% 92nd pct · 5th of 50 in PA

Higher than 92% of seats.

Hispanic residents3% 24th pct · 38th of 50 in PA

Lower than 76% of seats.

Black residents3% 31st pct · 35th of 50 in PA

Lower than 69% of seats.

Asian residents1% 14th pct · 43rd of 50 in PA

Lower than 86% of seats.

People per square mile61 2nd pct · 49th of 50 in PA

Less dense than 98% of seats.

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