- Lead
- 14,623
- Total
- 26,384
- vs nation
- D+56.9
Pennsylvania 164th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 17,465
- Total
- 28,056
- vs nation
- D+57.8
- Lead
- 15,631
- Total
- 26,437
- vs nation
- D+57.0
- Lead
- 14,947
- Total
- 25,381
- vs nation
- D+55.0
- Lead
- 15,712
- Total
- 26,466
- vs nation
- D+52.1
- Lead
- 13,472
- Total
- 24,484
- vs nation
- D+57.5
- Lead
- 10,840
- Total
- 21,049
- vs nation
- D+51.0
- Lead
- 9,316
- Total
- 19,504
- vs nation
- D+39.2
Key facts
- 2024 presidential margin
- D+55.4MIT Election Lab
- Population
- 62,9462024 5-year
- Population density
- 13,684 / sq mi2024 5-year · TIGER/Line
- Land area
- 4.6 sq miTIGER/Line
- Median household income
- $63,0752024 5-year
- White (non-Hispanic)
- 22.7%2024 5-year
- Black
- 47.6%2024 5-year
- Hispanic / Latino
- 9.2%2024 5-year
- Peak Democratic margin
- D+62.3 in 2020MIT Election Lab
- Peak Republican margin
- R+36.5 in 1924MIT Election Lab
- Most similar
- State House District 100, LA · twin score 94.8
presidential history
Party record book
Pennsylvania 164th 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
Joe Biden2020
80.5%
22,572 votes · D+62.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 78.8%
Republican
Calvin Coolidge1924
61.3%
1,912 votes · R+36.5 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 57.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
22,572votes
80.5% of the vote · D+62.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 20,866 votes
Republican
Richard Nixon1972
7,938votes
41.0% of the vote · D+15.6 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 7,299 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
Joe Biden2020
+57.8pts D vs U.S.
Place D+62.3 · U.S. D+4.5 · modeled estimate
Runner-up · John Kerry, 2004 · +57.5 pts
Republican
Herbert Hoover1932
+13.1pts R vs U.S.
Place D+4.7 · U.S. D+17.8 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +11.3 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 |
|---|---|---|---|---|
| 2018 | D | 62.0%16,788 | 38.0%10,304 | 27,092 |
District 164's D+55.4 presidential margin in 2024 places it among the most lopsided state House seats in Pennsylvania, reflecting a dense, heavily urbanized constituency where competitive general elections are rare.
Across the recorded series it reached a Democratic high of 62.3 points in 2020 and a Republican high of 36.5 points in 1924. Between 2020 and 2024 the district moved 6.8 points toward the Republican candidate; the 2024 margin was 55.4 points.
A population of 62,946, a 23% non-Hispanic-white share, and a median household income of $63,075 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 100 and State House District 24.
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 164th State House District. Akashic. https://akashic.app/sld-lower/42164/. Accessed May 20, 2026. License: CC BY 4.0.