- Lead
- 6,434
- Total
- 74,869
- vs nation
- R+7.1
Maryland 42nd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,956
- Total
- 74,441
- vs nation
- R+11.1
- Lead
- 12,093
- Total
- 69,645
- vs nation
- R+19.5
- Lead
- 12,139
- Total
- 68,824
- vs nation
- R+21.5
- Lead
- 12,740
- Total
- 67,983
- vs nation
- R+26.0
- Lead
- 18,270
- Total
- 64,478
- vs nation
- R+25.9
- Lead
- 12,219
- Total
- 54,128
- vs nation
- R+23.1
- Lead
- 9,592
- Total
- 47,490
- vs nation
- R+28.7
Key facts
- 2024 presidential margin
- R+8.6MIT Election Lab
- Population
- 127,4862024 5-year
- Population density
- 353 / sq mi2024 5-year · TIGER/Line
- Land area
- 361 sq miTIGER/Line
- Median household income
- $118,0792024 5-year
- White (non-Hispanic)
- 79.1%2024 5-year
- Black
- 6.6%2024 5-year
- Hispanic / Latino
- 5.1%2024 5-year
- Peak Democratic margin
- D+15.5 in 1912MIT Election Lab
- Peak Republican margin
- R+60.4 in 1972MIT Election Lab
- Most similar
- State Senate District 7, MD · twin score 96.3
presidential history
Party record book
Maryland 42nd State Senate 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
Franklin D. Roosevelt1936
53.9%
24,565 votes · D+8.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 52.1%
Republican
Richard Nixon1972
79.2%
32,566 votes · R+60.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 77.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
33,423votes
44.9% of the vote · R+6.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 32,951 votes
Republican
George W. Bush2004
40,824votes
63.3% of the vote · R+28.3 · modeled estimate
Runner-up · John McCain, 2008 · 39,461 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
John W. Davis1924
+2.5pts D vs U.S.
Place R+22.7 · U.S. R+25.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · −1.0 pts
Republican
Dwight D. Eisenhower1956
+40.2pts R vs U.S.
Place R+55.6 · U.S. R+15.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · +37.2 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.
Maryland 42nd State Senate District sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 15.5 points in 1912 and a Republican high of 60.4 points in 1972. Between 2020 and 2024 the district moved 1.9 points toward the Republican candidate; the 2024 margin was 8.6 points.
A population of 127,486, a 79% non-Hispanic-white share, and a median household income of $118,079 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 7 and State Senate District 31.
The state-senate 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 42nd State Senate District. Akashic. https://akashic.app/sld-upper/24042/. Accessed May 20, 2026. License: CC BY 4.0.