Pennsylvania 173rd 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
Barack Obama2012
58.8%
12,936 votes · D+18.3 · modeled estimate
Runner-up · Joe Biden, 2020 · 55.4%
Republican
Theodore Roosevelt1904
94.6%
21,175 votes · R+90.1 · modeled estimate
Runner-up · William McKinley, 1900 · 91.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
14,793votes
39.8% of the vote · R+20.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 13,886 votes
Republican
Thomas E. Dewey1948
39,473votes
78.7% of the vote · R+59.7 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 38,949 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 Obama2012
+14.5pts D vs U.S.
Place D+18.3 · U.S. D+3.9 · modeled estimate
Runner-up · Hillary Clinton, 2016 · +9.7 pts
Republican
Herbert Hoover1932
+85.2pts R vs U.S.
Place R+67.4 · U.S. D+17.8 · modeled estimate
Runner-up · Charles E. Hughes, 1916 · +82.6 pts
current representation
Current officeholders
DPat GallagherState House · 173
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
86.7%21,996
13.3%3,370
25,366
2018
D
93.4%11,443
6.6%810
12,253
District 173 sits within Pennsylvania's southeastern suburban corridor, where shifting college-educated voter preferences have nudged presidential margins a few points left over successive cycles while keeping the seat genuinely competitive at the legislative level.
Across the recorded series it reached a Democratic high of 18.3 points in 2012 and a Republican high of 90.1 points in 1904. Between 2020 and 2024 the district moved 6.7 points toward the Republican candidate; the 2024 margin was 5.0 points.
A population of 62,773, a 54% non-Hispanic-white share, and a median household income of $61,438 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 174 and State House District 177.
Akashic
Political twins — state-house districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Pennsylvania 173rd State House District. Akashic. https://akashic.app/sld-lower/42173/. Accessed May 20, 2026. License: CC BY 4.0.
How did Pennsylvania 173rd State House District vote in 2024?
In 2024, Pennsylvania 173rd State House District voted Democratic by 5.0 points (D+5.0), carried by the Democratic candidate. Out of 22,767 votes cast, 11,821 went Democratic and 10,694 went Republican.
When did Pennsylvania 173rd State House District last vote Republican?
The most recent presidential election in which Pennsylvania 173rd State House District voted Republican was 2004.
How many people live in Pennsylvania 173rd State House District?
Pennsylvania 173rd State House District has a population of 62,773 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Pennsylvania 173rd State House District?
Median household income in Pennsylvania 173rd State House District is $61,438 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Pennsylvania 173rd State House District?
Akashic tracks 38 presidential elections in Pennsylvania 173rd State House District from 1876 to 2024. Of those, 7 went Democratic and 31 went Republican.