- Lead
- 23,023
- Total
- 32,389
- vs nation
- D+72.6
Maryland 47th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 29,972
- Total
- 36,630
- vs nation
- D+77.4
- Lead
- 38,714
- Total
- 44,848
- vs nation
- D+84.2
- Lead
- 39,026
- Total
- 44,831
- vs nation
- D+83.2
- Lead
- 36,919
- Total
- 43,085
- vs nation
- D+78.4
- Lead
- 26,919
- Total
- 35,757
- vs nation
- D+77.7
- Lead
- 22,200
- Total
- 30,078
- vs nation
- D+73.3
- Lead
- 17,183
- Total
- 26,322
- vs nation
- D+56.8
Key facts
- 2024 presidential margin
- D+71.1MIT Election Lab
- Population
- 136,2592024 5-year
- Population density
- 7,326 / sq mi2024 5-year · TIGER/Line
- Land area
- 18.6 sq miTIGER/Line
- Median household income
- $78,4042024 5-year
- White (non-Hispanic)
- 6.2%2024 5-year
- Black
- 39.6%2024 5-year
- Hispanic / Latino
- 49.2%2024 5-year
- Peak Democratic margin
- D+87.1 in 2012MIT Election Lab
- Most similar
- State Senate District 22, MD · twin score 98.1
presidential history
Party record book
Maryland 47th 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
Barack Obama2012
93.1%
41,738 votes · D+87.1 · modeled estimate
Runner-up · Barack Obama, 2008 · 92.5%
Republican
Richard Nixon1972
47.4%
8,800 votes · D+4.2 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 47.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
41,738votes
93.1% of the vote · D+87.1 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 41,255 votes
Republican
Richard Nixon1972
8,800votes
47.4% of the vote · D+4.2 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 7,395 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
Hillary Clinton2016
+84.2pts D vs U.S.
Place D+86.3 · U.S. D+2.1 · modeled estimate
Runner-up · Barack Obama, 2012 · +83.2 pts
Republican
William McKinley1896
−17.3pts R vs U.S.
Place D+11.2 · U.S. R+6.1 · modeled estimate
Runner-up · Richard Nixon, 1968 · −17.6 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Anchored in the rural and small-town stretches of western or southern Maryland, this district backed the 2024 Republican presidential nominee by nearly 22 points, a margin that stands well outside the state's competitive mainstream.
Across the recorded series it reached a Democratic high of 87.1 points in 2012. Between 2020 and 2024 the district moved 10.7 points toward the Republican candidate; the 2024 margin was 71.1 points.
A population of 136,259, a 6% non-Hispanic-white share, and a median household income of $78,404 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 22 and State Senate District 25.
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 47th State Senate District. Akashic. https://akashic.app/sld-upper/24047/. Accessed May 20, 2026. License: CC BY 4.0.