Maryland 12th 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
Joe Biden2020
69.6%
46,220 votes · D+42.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 68.5%
Republican
Richard Nixon1972
64.8%
8,883 votes · R+30.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 61.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
46,220votes
69.6% of the vote · D+42.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 44,152 votes
Republican
George W. Bush2004
21,920votes
44.5% of the vote · D+9.8 · modeled estimate
Runner-up · Mitt Romney, 2012 · 21,030 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
+45.5pts D vs U.S.
Place D+20.4 · U.S. R+25.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · +44.1 pts
Republican
Richard Nixon1968
+12.6pts R vs U.S.
Place R+13.3 · U.S. R+0.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +7.9 pts
current representation
Current officeholders
DClarence LamState Senate · 12
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 3 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
65.1%42,771
34.9%22,955
65,726
2020
D
63.0%42,926
37.0%25,188
68,114
2018
D
65.5%34,132
34.5%18,001
52,133
With a 2024 presidential margin of D+39.6, this district ranks among the most lopsided in Maryland's upper chamber, reflecting dense urban or inner-suburban settlement patterns that consistently produce outsized Democratic margins.
Across the recorded series it reached a Democratic high of 42.1 points in 2020 and a Republican high of 30.7 points in 1972. Between 2020 and 2024 the district moved 2.5 points toward the Republican candidate; the 2024 margin was 39.6 points.
A population of 131,694, a 48% non-Hispanic-white share, and a median household income of $117,054 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 39.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Maryland 12th State Senate District. Akashic. https://akashic.app/sld-upper/24012/. Accessed May 20, 2026. License: CC BY 4.0.
How did Maryland 12th State Senate District vote in 2024?
In 2024, Maryland 12th State Senate District voted Democratic by 39.6 points (D+39.6), carried by the Democratic candidate. Out of 65,030 votes cast, 44,152 went Democratic and 18,422 went Republican.
When did Maryland 12th State Senate District last vote Republican?
The most recent presidential election in which Maryland 12th State Senate District voted Republican was 1988.
How many people live in Maryland 12th State Senate District?
Maryland 12th State Senate District has a population of 131,694 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Maryland 12th State Senate District?
Median household income in Maryland 12th State Senate District is $117,054 — above the national median of $80,734. The Maryland state median is $103,678.
What is the political history of Maryland 12th State Senate District?
Akashic tracks 38 presidential elections in Maryland 12th State Senate District from 1876 to 2024. Of those, 28 went Democratic and 10 went Republican.