- Lead
- 21,471
- Total
- 66,051
- vs nation
- D+34.0
Maryland 3rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 20,627
- Total
- 60,631
- vs nation
- D+29.6
- Lead
- 11,794
- Total
- 48,313
- vs nation
- D+22.3
- Lead
- 11,230
- Total
- 45,892
- vs nation
- D+20.6
- Lead
- 11,653
- Total
- 43,785
- vs nation
- D+19.3
- Lead
- 3,099
- Total
- 37,405
- vs nation
- D+10.7
- Lead
- 2,666
- Total
- 29,395
- vs nation
- D+8.6
- Lead
- 2,978
- Total
- 24,871
- vs nation
- D+3.5
Key facts
- 2024 presidential margin
- D+32.5MIT Election Lab
- Population
- 125,9902024 5-year
- Population density
- 1,972 / sq mi2024 5-year · TIGER/Line
- Land area
- 63.9 sq miTIGER/Line
- Median household income
- $108,1712024 5-year
- White (non-Hispanic)
- 52.8%2024 5-year
- Black
- 16.5%2024 5-year
- Hispanic / Latino
- 17.9%2024 5-year
- Peak Democratic margin
- D+47.1 in 1964MIT Election Lab
- Peak Republican margin
- R+13.8 in 1972MIT Election Lab
- Most similar
- State Legislative District 32, MD · twin score 92.1
presidential history
Party record book
Maryland 3rd 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
Lyndon B. Johnson1964
73.6%
7,376 votes · D+47.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 71.7%
Republican
Richard Nixon1972
55.9%
5,618 votes · R+13.8 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 55.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
42,607votes
64.5% of the vote · D+32.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 39,791 votes
Republican
Donald Trump2024
21,136votes
32.0% of the vote · D+32.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 19,164 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
+48.4pts D vs U.S.
Place D+23.2 · U.S. R+25.2 · modeled estimate
Runner-up · James M. Cox, 1920 · +44.3 pts
Republican
Bob Dole1996
−3.5pts R vs U.S.
Place D+12.0 · U.S. D+8.5 · modeled estimate
Runner-up · George H. W. Bush, 1992 · −3.5 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.
Maryland 3rd State House District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 47.1 points in 1964 and a Republican high of 13.8 points in 1972. Between 2020 and 2024 the district moved 1.5 points toward the Republican candidate; the 2024 margin was 32.5 points.
A population of 125,990, a 53% non-Hispanic-white share, and a median household income of $108,171 describe the district. The district's voting pattern over the last decade is most similar to that of State Legislative District 32 and State House District 5.
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 3rd State House District. Akashic. https://akashic.app/sld-lower/24003/. Accessed May 20, 2026. License: CC BY 4.0.