- Lead
- 5,334
- Total
- 20,910
- vs nation
- D+27.0
Maryland State Legislative Subdistrict 42B
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,573
- Total
- 20,959
- vs nation
- D+22.1
- Lead
- 3,136
- Total
- 20,455
- vs nation
- D+13.2
- Lead
- 2,920
- Total
- 20,367
- vs nation
- D+10.5
- Lead
- 2,386
- Total
- 20,147
- vs nation
- D+4.6
- Lead
- 391
- Total
- 18,700
- vs nation
- D+4.5
- Lead
- 1,071
- Total
- 16,164
- vs nation
- D+6.1
- Lead
- 639
- Total
- 14,584
- vs nation
- R+4.1
Key facts
- 2024 presidential margin
- D+25.5MIT Election Lab
- Population
- 42,0142024 5-year
- Population density
- 2,820 / sq mi2024 5-year · TIGER/Line
- Land area
- 14.9 sq miTIGER/Line
- Median household income
- $92,8862024 5-year
- White (non-Hispanic)
- 61.2%2024 5-year
- Black
- 15.5%2024 5-year
- Hispanic / Latino
- 9.0%2024 5-year
- Peak Democratic margin
- D+31.9 in 1936MIT Election Lab
- Peak Republican margin
- R+44.1 in 1972MIT Election Lab
- Most similar
- State Legislative Subdistrict 43B, MD · twin score 89.9
presidential history
Party record book
Maryland State Legislative Subdistrict 42B · 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
65.5%
12,263 votes · D+31.9 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 62.7%
Republican
Richard Nixon1972
70.9%
9,492 votes · R+44.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 69.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
12,930votes
61.7% of the vote · D+26.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 12,764 votes
Republican
Richard Nixon1972
9,492votes
70.9% of the vote · R+44.1 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 9,292 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
+27.0pts D vs U.S.
Place D+25.5 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +22.1 pts
Republican
Dwight D. Eisenhower1956
+23.4pts R vs U.S.
Place R+38.8 · U.S. R+15.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · +20.9 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 State Legislative Subdistrict 42B sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 31.9 points in 1936 and a Republican high of 44.1 points in 1972. Between 2020 and 2024 the district moved 1.1 points toward the Republican candidate; the 2024 margin was 25.5 points.
A population of 42,014, a 61% non-Hispanic-white share, and a median household income of $92,886 describe the district. The district's voting pattern over the last decade is most similar to that of State Legislative Subdistrict 43B and State Legislative Subdistrict 33A.
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 42B. Akashic. https://akashic.app/sld-lower/2442B/. Accessed May 20, 2026. License: CC BY 4.0.