- Lead
- 23,525
- Total
- 27,717
- vs nation
- D+86.3
Pennsylvania 198th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 26,904
- Total
- 29,850
- vs nation
- D+85.7
- Lead
- 27,877
- Total
- 30,076
- vs nation
- D+90.6
- Lead
- 28,220
- Total
- 29,956
- vs nation
- D+90.3
- Lead
- 28,460
- Total
- 30,349
- vs nation
- D+86.5
- Lead
- 25,705
- Total
- 27,734
- vs nation
- D+95.1
- Lead
- 21,262
- Total
- 23,361
- vs nation
- D+90.5
- Lead
- 19,498
- Total
- 21,888
- vs nation
- D+81.3
Key facts
- 2024 presidential margin
- D+84.9MIT Election Lab
- Population
- 63,2862024 5-year
- Population density
- 16,227 / sq mi2024 5-year · TIGER/Line
- Land area
- 3.9 sq miTIGER/Line
- Median household income
- $51,5122024 5-year
- White (non-Hispanic)
- 4.7%2024 5-year
- Black
- 76.8%2024 5-year
- Hispanic / Latino
- 9.0%2024 5-year
- Peak Democratic margin
- D+94.2 in 2012MIT Election Lab
- Peak Republican margin
- R+2.0 in 1924MIT Election Lab
- Most similar
- State House District 190, PA · twin score 99.7
presidential history
Party record book
Pennsylvania 198th 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
97.0%
29,059 votes · D+94.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 96.8%
Republican
Theodore Roosevelt1904
43.5%
1,824 votes · D+11.6 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 42.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
33,050votes
94.4% of the vote · D+88.9 · modeled estimate
Runner-up · John F. Kennedy, 1960 · 30,670 votes
Republican
Thomas E. Dewey1948
3,564votes
13.9% of the vote · D+69.3 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 3,521 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
+102.5pts D vs U.S.
Place D+84.3 · U.S. R+18.2 · modeled estimate
Runner-up · George McGovern, 1972 · +99.6 pts
Republican
William H. Taft1912
−18.7pts R vs U.S.
Place D+38.3 · U.S. D+19.5 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · −23.2 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.
District 198 recorded an 84.9-point Democratic presidential margin in 2024, placing it among the most heavily one-sided state house districts in Pennsylvania. Its urban concentration drives some of the state's most consistent electoral patterns.
Across the recorded series it reached a Democratic high of 94.2 points in 2012 and a Republican high of 2.0 points in 1924. Between 2020 and 2024 the district moved 5.3 points toward the Republican candidate; the 2024 margin was 84.9 points.
A population of 63,286, a 5% non-Hispanic-white share, and a median household income of $51,512 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 190 and State House District 201.
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 198th State House District. Akashic. https://akashic.app/sld-lower/42198/. Accessed May 20, 2026. License: CC BY 4.0.