- Lead
- 23,769
- Total
- 48,029
- vs nation
- D+51.0
Maryland State Legislative Subdistrict 12A
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 25,472
- Total
- 48,320
- vs nation
- D+48.3
- Lead
- 17,295
- Total
- 40,814
- vs nation
- D+40.3
- Lead
- 11,944
- Total
- 38,875
- vs nation
- D+26.9
- Lead
- 11,297
- Total
- 36,882
- vs nation
- D+23.4
- Lead
- 6,277
- Total
- 33,558
- vs nation
- D+21.2
- Lead
- 4,777
- Total
- 28,273
- vs nation
- D+16.4
- Lead
- 3,812
- Total
- 23,956
- vs nation
- D+7.4
Key facts
- 2024 presidential margin
- D+49.5MIT Election Lab
- Population
- 86,4012024 5-year
- Population density
- 3,119 / sq mi2024 5-year · TIGER/Line
- Land area
- 27.7 sq miTIGER/Line
- Median household income
- $137,0062024 5-year
- White (non-Hispanic)
- 46.8%2024 5-year
- Black
- 24.0%2024 5-year
- Hispanic / Latino
- 8.9%2024 5-year
- Peak Democratic margin
- D+52.7 in 2020MIT Election Lab
- Peak Republican margin
- R+19.8 in 1956MIT Election Lab
- Most similar
- State Legislative District 13, MD · twin score 98.4
presidential history
Party record book
Maryland State Legislative Subdistrict 12A · 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
Joe Biden2020
74.9%
36,205 votes · D+52.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 72.7%
Republican
Dwight D. Eisenhower1956
59.9%
1,467 votes · R+19.8 · modeled estimate
Runner-up · Richard Nixon, 1972 · 58.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
36,205votes
74.9% of the vote · D+52.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 34,933 votes
Republican
George W. Bush2004
13,404votes
39.9% of the vote · D+18.7 · modeled estimate
Runner-up · Mitt Romney, 2012 · 12,953 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
+51.0pts D vs U.S.
Place D+49.5 · U.S. R+1.5 · modeled estimate
Runner-up · John W. Davis, 1924 · +49.5 pts
Republican
Richard Nixon1968
+13.8pts R vs U.S.
Place R+14.5 · U.S. R+0.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +4.4 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 12A sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 52.7 points in 2020 and a Republican high of 19.8 points in 1956. Between 2020 and 2024 the district moved 3.2 points toward the Republican candidate; the 2024 margin was 49.5 points.
A population of 86,401, a 47% non-Hispanic-white share, and a median household income of $137,006 describe the district. The district's voting pattern over the last decade is most similar to that of State Legislative District 13 and State House District 17.
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 12A. Akashic. https://akashic.app/sld-lower/2412A/. Accessed May 20, 2026. License: CC BY 4.0.