- Lead
- 3,156
- Total
- 40,852
- vs nation
- D+9.2
Pennsylvania 30th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,354
- Total
- 40,851
- vs nation
- D+1.3
- Lead
- 1,651
- Total
- 35,365
- vs nation
- R+6.8
- Lead
- 2,523
- Total
- 33,699
- vs nation
- R+11.3
- Lead
- 2,344
- Total
- 35,144
- vs nation
- R+13.9
- Lead
- 2,475
- Total
- 34,792
- vs nation
- R+4.7
- Lead
- 1,601
- Total
- 31,228
- vs nation
- R+5.6
- Lead
- 1,496
- Total
- 29,349
- vs nation
- R+13.6
Key facts
- 2024 presidential margin
- D+7.7MIT Election Lab
- Population
- 63,4722024 5-year
- Population density
- 1,389 / sq mi2024 5-year · TIGER/Line
- Land area
- 45.7 sq miTIGER/Line
- Median household income
- $125,9212024 5-year
- White (non-Hispanic)
- 84.7%2024 5-year
- Black
- 1.8%2024 5-year
- Hispanic / Latino
- 2.1%2024 5-year
- Peak Democratic margin
- D+13.5 in 1936MIT Election Lab
- Peak Republican margin
- R+69.7 in 1904MIT Election Lab
- Most similar
- State House District 28, PA · twin score 96.8
presidential history
Party record book
Pennsylvania 30th 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
55.5%
20,574 votes · D+11.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 54.6%
Republican
Theodore Roosevelt1904
82.2%
6,181 votes · R+69.7 · modeled estimate
Runner-up · William McKinley, 1896 · 78.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
21,755votes
53.3% of the vote · D+7.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 21,290 votes
Republican
Dwight D. Eisenhower1956
26,062votes
65.4% of the vote · R+31.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 25,209 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
Walter Mondale1984
+9.5pts D vs U.S.
Place R+8.8 · U.S. R+18.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · +9.2 pts
Republican
William McKinley1896
+52.8pts R vs U.S.
Place R+58.9 · U.S. R+6.1 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +50.0 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 | D | 58.9%21,242 | 41.1%14,824 | 36,066 |
Pennsylvania 30th State House District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 13.5 points in 1936 and a Republican high of 69.7 points in 1904. Between 2020 and 2024 the district moved 2.0 points toward the Democratic candidate; the 2024 margin was 7.7 points.
A population of 63,472, a 85% non-Hispanic-white share, and a median household income of $125,921 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 28 and State House District 40.
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 30th State House District. Akashic. https://akashic.app/sld-lower/42030/. Accessed May 20, 2026. License: CC BY 4.0.