- Lead
- 2,867
- Total
- 27,596
- vs nation
- R+8.9
Maryland State Legislative Subdistrict 42A
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,942
- Total
- 28,525
- vs nation
- R+14.8
- Lead
- 5,934
- Total
- 27,421
- vs nation
- R+23.7
- Lead
- 6,423
- Total
- 27,385
- vs nation
- R+27.3
- Lead
- 7,105
- Total
- 27,466
- vs nation
- R+33.1
- Lead
- 9,360
- Total
- 26,522
- vs nation
- R+32.8
- Lead
- 6,833
- Total
- 22,512
- vs nation
- R+30.9
- Lead
- 6,093
- Total
- 20,231
- vs nation
- R+38.6
Key facts
- 2024 presidential margin
- R+10.4MIT Election Lab
- Population
- 42,8342024 5-year
- Population density
- 192 / sq mi2024 5-year · TIGER/Line
- Land area
- 223 sq miTIGER/Line
- Median household income
- $145,1162024 5-year
- White (non-Hispanic)
- 87.4%2024 5-year
- Black
- 2.0%2024 5-year
- Hispanic / Latino
- 3.0%2024 5-year
- Peak Democratic margin
- D+7.3 in 1912MIT Election Lab
- Peak Republican margin
- R+69.5 in 1972MIT Election Lab
- Most similar
- State House District 87, PA · twin score 87.7
presidential history
Party record book
Maryland State Legislative Subdistrict 42A · 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
Franklin D. Roosevelt1936
46.4%
10,920 votes · R+6.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 44.4%
Republican
Richard Nixon1972
84.0%
18,764 votes · R+69.5 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 83.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
12,277votes
43.0% of the vote · R+10.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 11,908 votes
Republican
Richard Nixon1972
18,764votes
84.0% of the vote · R+69.5 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 18,341 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
−8.9pts D vs U.S.
Place R+10.4 · U.S. R+1.5 · modeled estimate
Runner-up · John W. Davis, 1924 · −10.0 pts
Republican
Dwight D. Eisenhower1956
+51.4pts R vs U.S.
Place R+66.8 · U.S. R+15.4 · modeled estimate
Runner-up · Gerald Ford, 1976 · +49.5 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.
Its Republican presidential margin was R+10.4 in 2024 and R+25.9 in 2008. The district had about 312,000 residents, 52.6% White alone in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 7.3 points in 1912 and a Republican high of 69.5 points in 1972. The 2024 margin was 10.4 points.
A population of 42,834, a 87% non-Hispanic-white share, and a median household income of $145,116 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 87 and State Legislative Subdistrict 33B.
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 →
Maryland State Legislative Subdistrict 42A. Akashic. https://akashic.app/sld-lower/2442A/. Accessed May 20, 2026. License: CC BY 4.0.