- Lead
- 11,265
- Total
- 33,299
- vs nation
- R+32.4
Pennsylvania 123rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 10,180
- Total
- 32,454
- vs nation
- R+35.8
- Lead
- 10,186
- Total
- 29,315
- vs nation
- R+36.8
- Lead
- 833
- Total
- 27,865
- vs nation
- R+6.8
- Lead
- 393
- Total
- 30,552
- vs nation
- R+6.0
- Lead
- 97
- Total
- 31,192
- vs nation
- D+2.8
- Lead
- 1,081
- Total
- 28,127
- vs nation
- D+3.3
- Lead
- 3,255
- Total
- 27,489
- vs nation
- D+3.3
Key facts
- 2024 presidential margin
- R+33.8MIT Election Lab
- Population
- 65,6812024 5-year
- Population density
- 355 / sq mi2024 5-year · TIGER/Line
- Land area
- 185 sq miTIGER/Line
- Median household income
- $63,7622024 5-year
- White (non-Hispanic)
- 89.2%2024 5-year
- Black
- 2.6%2024 5-year
- Hispanic / Latino
- 4.5%2024 5-year
- Peak Democratic margin
- D+40.4 in 1964MIT Election Lab
- Peak Republican margin
- R+38.8 in 1924MIT Election Lab
- Most similar
- State House District 107, PA · twin score 95.3
presidential history
Party record book
Pennsylvania 123rd State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
70.1%
27,049 votes · D+40.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 59.6%
Republican
Donald Trump2024
66.5%
22,132 votes · R+33.8 · modeled estimate
Runner-up · Donald Trump, 2016 · 65.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
29,510votes
59.6% of the vote · D+20.6 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 27,049 votes
Republican
Dwight D. Eisenhower1956
22,507votes
57.1% of the vote · R+14.2 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 22,373 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Al Smith1928
+21.2pts D vs U.S.
Place D+3.7 · U.S. R+17.5 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · +17.8 pts
Republican
Donald Trump2016
+36.8pts R vs U.S.
Place R+34.7 · U.S. D+2.1 · modeled estimate
Runner-up · Donald Trump, 2020 · +35.8 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
Pennsylvania 123rd State House District sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 40.4 points in 1964 and a Republican high of 38.8 points in 1924. Between 2020 and 2024 the district moved 2.5 points toward the Republican candidate; the 2024 margin was 33.8 points.
A population of 65,681, a 89% non-Hispanic-white share, and a median household income of $63,762 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 107 and State House District 122.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Pennsylvania 123rd State House District. Akashic. https://akashic.app/sld-lower/42123/. Accessed May 20, 2026. License: CC BY 4.0.