- Lead
- 1,961
- Total
- 17,001
- vs nation
- D+13.0
Maryland State Legislative Subdistrict 12B
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,455
- Total
- 18,059
- vs nation
- D+9.1
- Lead
- 963
- Total
- 17,353
- vs nation
- D+3.5
- Lead
- 611
- Total
- 17,061
- vs nation
- R+0.3
- Lead
- 298
- Total
- 17,026
- vs nation
- R+5.5
- Lead
- 1,439
- Total
- 15,712
- vs nation
- R+6.7
- Lead
- 537
- Total
- 13,082
- vs nation
- R+4.6
- Lead
- 405
- Total
- 11,080
- vs nation
- R+12.2
Key facts
- 2024 presidential margin
- D+11.5MIT Election Lab
- Population
- 45,2932024 5-year
- Population density
- 2,885 / sq mi2024 5-year · TIGER/Line
- Land area
- 15.7 sq miTIGER/Line
- Median household income
- $93,2422024 5-year
- White (non-Hispanic)
- 49.7%2024 5-year
- Black
- 25.4%2024 5-year
- Hispanic / Latino
- 13.8%2024 5-year
- Peak Democratic margin
- D+31.6 in 1916MIT Election Lab
- Peak Republican margin
- R+43.8 in 1972MIT Election Lab
- Most similar
- State Legislative Subdistrict 44A, MD · twin score 88.0
presidential history
Party record book
Maryland State Legislative Subdistrict 12B · 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
Woodrow Wilson1916
64.5%
265 votes · D+31.6 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 64.4%
Republican
Richard Nixon1972
71.5%
4,558 votes · R+43.8 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 64.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
10,015votes
55.5% of the vote · D+13.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 9,219 votes
Republican
George W. Bush2004
8,516votes
54.2% of the vote · R+9.2 · modeled estimate
Runner-up · John McCain, 2008 · 8,270 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
+34.7pts D vs U.S.
Place D+9.5 · U.S. R+25.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · +33.4 pts
Republican
Richard Nixon1972
+20.6pts R vs U.S.
Place R+43.8 · U.S. R+23.2 · modeled estimate
Runner-up · George H. W. Bush, 1988 · +16.6 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | D | 55.7%9,233 | 44.3%7,351 | 16,584 |
Maryland State Legislative Subdistrict 12B sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 31.6 points in 1916 and a Republican high of 43.8 points in 1972. Between 2020 and 2024 the district moved 2.1 points toward the Republican candidate; the 2024 margin was 11.5 points.
A population of 45,293, a 50% non-Hispanic-white share, and a median household income of $93,242 describe the district. The district's voting pattern over the last decade is most similar to that of State Legislative Subdistrict 44A and State Legislative Subdistrict 34A.
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 12B. Akashic. https://akashic.app/sld-lower/2412B/. Accessed May 20, 2026. License: CC BY 4.0.