- Lead
- 14,134
- Total
- 27,617
- vs nation
- R+49.7
Pennsylvania 100th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,199
- Total
- 26,912
- vs nation
- R+53.5
- Lead
- 10,908
- Total
- 22,574
- vs nation
- R+50.4
- Lead
- 10,098
- Total
- 20,697
- vs nation
- R+52.6
- Lead
- 9,202
- Total
- 20,690
- vs nation
- R+51.7
- Lead
- 12,646
- Total
- 21,419
- vs nation
- R+56.6
- Lead
- 10,302
- Total
- 17,003
- vs nation
- R+61.1
- Lead
- 8,226
- Total
- 14,502
- vs nation
- R+65.2
Key facts
- 2024 presidential margin
- R+51.2MIT Election Lab
- Population
- 64,1242024 5-year
- Population density
- 217 / sq mi2024 5-year · TIGER/Line
- Land area
- 296 sq miTIGER/Line
- Median household income
- $85,9232024 5-year
- White (non-Hispanic)
- 92.4%2024 5-year
- Black
- 0.8%2024 5-year
- Hispanic / Latino
- 3.7%2024 5-year
- Peak Republican margin
- R+83.3 in 1928MIT Election Lab
- Most similar
- State House District 99, PA · twin score 96.5
presidential history
Party record book
Pennsylvania 100th 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
34.4%
3,184 votes · R+31.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 29.6%
Republican
Herbert Hoover1928
91.5%
6,478 votes · R+83.3 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 90.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
6,731votes
24.4% of the vote · R+51.2 · modeled estimate
Runner-up · Joe Biden, 2020 · 6,684 votes
Republican
Donald Trump2024
20,865votes
75.6% of the vote · R+51.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 19,883 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
Kamala Harris2024
−49.7pts D vs U.S.
Place R+51.2 · U.S. R+1.5 · modeled estimate
Runner-up · Hillary Clinton, 2016 · −50.4 pts
Republican
William McKinley1896
+73.7pts R vs U.S.
Place R+79.8 · U.S. R+6.1 · modeled estimate
Runner-up · Charles E. Hughes, 1916 · +72.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin exceeding 50 points, this rural district sits at the far end of Pennsylvania's partisan distribution, making it a reliable baseline for gauging the state's deepest-red precincts.
Across the recorded series it reached a Republican high of 83.3 points in 1928. Between 2020 and 2024 the district moved 2.1 points toward the Republican candidate; the 2024 margin was 51.2 points.
A population of 64,124, a 92% non-Hispanic-white share, and a median household income of $85,923 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 99 and State House District 85.
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 100th State House District. Akashic. https://akashic.app/sld-lower/42100/. Accessed May 20, 2026. License: CC BY 4.0.