Virginia 12th 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
72.8%
32,251 votes · D+47.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 69.6%
Republican
George W. Bush2004
42.9%
13,683 votes · D+13.2 · modeled estimate
Runner-up · Mitt Romney, 2012 · 36.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
32,251votes
72.8% of the vote · D+47.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 31,184 votes
Republican
George W. Bush2004
13,683votes
42.9% of the vote · D+13.2 · modeled estimate
Runner-up · Mitt Romney, 2012 · 13,334 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
+43.6pts D vs U.S.
Place D+42.1 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +43.3 pts
Republican
George W. Bush2004
−15.7pts R vs U.S.
Place D+13.2 · U.S. R+2.5 · modeled estimate
Runner-up · John McCain, 2008 · −19.6 pts
current representation
Current officeholders
DHolly SeiboldState House · 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
67.3%29,707
32.7%14,466
44,173
2020
D
76.5%23,766
23.5%7,288
31,054
2018
D
69.3%24,942
30.7%11,075
36,017
With a 2024 presidential margin of D+42.1, this district ranks among the most heavily Democratic in Virginia, suggesting a dense urban or inner-suburban core where competitive general elections are rare.
Across the recorded series it reached a Democratic high of 77.9 points in 1912 and a Republican high of 29.4 points in 1928. Between 2020 and 2024 the district moved 5.7 points toward the Republican candidate; the 2024 margin was 42.1 points.
A population of 87,069, a 52% non-Hispanic-white share, and a median household income of $159,129 describe the district. The district's voting pattern over the last decade is most similar to that of State Legislative Subdistrict 9B and State House District 11.
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 12th State House District. Akashic. https://akashic.app/sld-lower/51012/. Accessed May 20, 2026. License: CC BY 4.0.
How did Virginia 12th State House District vote in 2024?
In 2024, Virginia 12th State House District voted Democratic by 42.1 points (D+42.1), carried by the Democratic candidate. Out of 44,828 votes cast, 31,184 went Democratic and 12,321 went Republican.
When did Virginia 12th State House District last vote Republican?
The most recent presidential election in which Virginia 12th State House District voted Republican was 1988.
How many people live in Virginia 12th State House District?
Virginia 12th State House District has a population of 87,069 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Virginia 12th State House District?
Median household income in Virginia 12th State House District is $159,129 — above the national median of $80,734. The Virginia state median is $93,170.
What is the political history of Virginia 12th State House District?
Akashic tracks 38 presidential elections in Virginia 12th State House District from 1876 to 2024. Of those, 28 went Democratic and 10 went Republican.