Virginia 20th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
2004–2024 · 6 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
61.4%
19,928 votes · D+24.8 · modeled estimate
Runner-up · Barack Obama, 2012 · 56.7%
Republican
George W. Bush2004
55.6%
12,329 votes · R+11.8 · modeled estimate
Runner-up · John McCain, 2008 · 43.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
19,928votes
61.4% of the vote · D+24.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 17,123 votes
Republican
Donald Trump2024
12,880votes
42.0% of the vote · D+13.8 · modeled estimate
Runner-up · George W. Bush, 2004 · 12,329 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
Joe Biden2020
+20.3pts D vs U.S.
Place D+24.8 · U.S. D+4.5 · modeled estimate
Runner-up · Hillary Clinton, 2016 · +16.5 pts
Republican
George W. Bush2004
+9.3pts R vs U.S.
Place R+11.8 · U.S. R+2.5 · modeled estimate
Runner-up · John McCain, 2008 · −5.8 pts
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
56.9%15,885
43.1%12,025
27,910
2020
D
67.0%16,853
33.0%8,301
25,154
2018
D
62.5%16,081
37.5%9,650
25,731
Situated in the Northern Virginia suburbs, this district has trended solidly toward Democratic candidates in recent cycles, with a 2024 presidential margin of D+13.7 reflecting the region's highly educated, diverse, and rapidly growing electorate.
Across the recorded series it reached a Democratic high of 82.4 points in 1912 and a Republican high of 48.5 points in 1972. Between 2020 and 2024 the district moved 11.0 points toward the Republican candidate; the 2024 margin was 13.8 points.
A population of 85,555, a 31% non-Hispanic-white share, and a median household income of $107,661 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 6 and State House District 26.
Akashic
Political twins — state-house districts
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.
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.
Virginia 20th State House District. Akashic. https://akashic.app/sld-lower/51020/. Accessed May 20, 2026. License: CC BY 4.0.
How did Virginia 20th State House District vote in 2024?
In 2024, Virginia 20th State House District voted Democratic by 13.8 points (D+13.8), carried by the Democratic candidate. Out of 30,658 votes cast, 17,123 went Democratic and 12,880 went Republican.
When did Virginia 20th State House District last vote Republican?
The most recent presidential election in which Virginia 20th State House District voted Republican was 2004.
How many people live in Virginia 20th State House District?
Virginia 20th State House District has a population of 85,555 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Virginia 20th State House District?
Median household income in Virginia 20th State House District is $107,661 — above the national median of $80,734. The Virginia state median is $93,170.
What is the political history of Virginia 20th State House District?
Akashic tracks 38 presidential elections in Virginia 20th State House District from 1876 to 2024. Of those, 25 went Democratic and 13 went Republican.