- Lead
- 17,000
- Total
- 124,202
- vs nation
- R+12.2
Pennsylvania 13th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 14,340
- Total
- 122,443
- vs nation
- R+16.2
- Lead
- 12,458
- Total
- 107,706
- vs nation
- R+13.7
- Lead
- 10,192
- Total
- 98,269
- vs nation
- R+14.2
- Lead
- 2,849
- Total
- 101,905
- vs nation
- R+10.1
- Lead
- 22,381
- Total
- 96,234
- vs nation
- R+20.8
- Lead
- 19,946
- Total
- 76,065
- vs nation
- R+26.7
- Lead
- 13,827
- Total
- 67,493
- vs nation
- R+29.0
Key facts
- 2024 presidential margin
- R+13.7MIT Election Lab
- Population
- 262,2252024 5-year
- Population density
- 453 / sq mi2024 5-year · TIGER/Line
- Land area
- 579 sq miTIGER/Line
- Median household income
- $83,7182024 5-year
- White (non-Hispanic)
- 74.2%2024 5-year
- Black
- 4.8%2024 5-year
- Hispanic / Latino
- 15.3%2024 5-year
- Peak Democratic margin
- D+11.1 in 1964MIT Election Lab
- Peak Republican margin
- R+57.5 in 1928MIT Election Lab
- Most similar
- State Senate District 31, PA · twin score 71.3
presidential history
Party record book
Pennsylvania 13th State Senate 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
55.4%
26,761 votes · D+11.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 51.7%
Republican
Herbert Hoover1928
77.9%
23,320 votes · R+57.5 · modeled estimate
Runner-up · Richard Nixon, 1972 · 72.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
53,260votes
42.9% of the vote · R+13.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 52,950 votes
Republican
Donald Trump2024
70,260votes
56.6% of the vote · R+13.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 67,290 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
Barack Obama2008
−10.1pts D vs U.S.
Place R+2.8 · U.S. D+7.3 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · −11.5 pts
Republican
Herbert Hoover1928
+40.1pts R vs U.S.
Place R+57.5 · U.S. R+17.5 · modeled estimate
Runner-up · William McKinley, 1896 · +32.8 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 40.1%53,051 | 59.9%79,335 | 132,386 |
| 2020 | R | 40.0%50,466 | 60.0%75,609 | 126,075 |
Pennsylvania 13th State Senate District sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 11.1 points in 1964 and a Republican high of 57.5 points in 1928. Between 2020 and 2024 the district moved 2.0 points toward the Republican candidate; the 2024 margin was 13.7 points.
A population of 262,225, a 74% non-Hispanic-white share, and a median household income of $83,718 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 31 and State Senate District 36.
The state-senate 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 13th State Senate District. Akashic. https://akashic.app/sld-upper/42013/. Accessed May 20, 2026. License: CC BY 4.0.