Maryland 9th 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
62.5%
46,392 votes · D+28.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 60.5%
Republican
Dwight D. Eisenhower1956
75.7%
4,477 votes · R+51.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · 74.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
46,392votes
62.5% of the vote · D+28.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 44,747 votes
Republican
George W. Bush2004
30,723votes
55.8% of the vote · R+13.1 · modeled estimate
Runner-up · Mitt Romney, 2012 · 29,492 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
+27.3pts D vs U.S.
Place D+25.8 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +23.5 pts
Republican
Thomas E. Dewey1948
+41.2pts R vs U.S.
Place R+36.7 · U.S. D+4.5 · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · +40.3 pts
current representation
Current officeholders
DKatie HesterState Senate · 9
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
70.2%45,697
29.8%19,361
65,058
2020
D
66.8%40,883
33.2%20,360
61,243
2018
D
71.1%37,677
28.9%15,305
52,982
District 9 sits well to the right of Maryland's statewide lean, posting a double-digit Republican presidential margin in 2024 — an unusual profile in a state that voted Democratic by roughly 30 points overall.
Across the recorded series it reached a Democratic high of 28.0 points in 2020 and a Republican high of 51.4 points in 1956. Between 2020 and 2024 the district moved 2.2 points toward the Republican candidate; the 2024 margin was 25.8 points.
A population of 130,237, a 54% non-Hispanic-white share, and a median household income of $178,077 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 38 and Legislative (Senate) District 41.
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 9th State Senate District. Akashic. https://akashic.app/sld-upper/24009/. Accessed May 20, 2026. License: CC BY 4.0.
How did Maryland 9th State Senate District vote in 2024?
In 2024, Maryland 9th State Senate District voted Democratic by 25.8 points (D+25.8), carried by the Democratic candidate. Out of 73,928 votes cast, 44,747 went Democratic and 25,689 went Republican.
When did Maryland 9th State Senate District last vote Republican?
The most recent presidential election in which Maryland 9th State Senate District voted Republican was 2008.
How many people live in Maryland 9th State Senate District?
Maryland 9th State Senate District has a population of 130,237 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Maryland 9th State Senate District?
Median household income in Maryland 9th State Senate District is $178,077 — above the national median of $80,734. The Maryland state median is $103,678.
What is the political history of Maryland 9th State Senate District?
Akashic tracks 38 presidential elections in Maryland 9th State Senate District from 1876 to 2024. Of those, 5 went Democratic and 33 went Republican.