- Lead
- 61,078
- Total
- 87,732
- vs nation
- D+71.1
Washington 34th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 63,734
- Total
- 91,881
- vs nation
- D+64.9
- Lead
- 51,309
- Total
- 79,084
- vs nation
- D+62.8
- Lead
- 44,028
- Total
- 73,179
- vs nation
- D+56.3
- Lead
- 43,147
- Total
- 69,847
- vs nation
- D+54.5
- Lead
- 35,297
- Total
- 65,750
- vs nation
- D+56.1
- Lead
- 27,683
- Total
- 57,533
- vs nation
- D+47.6
- Lead
- 24,732
- Total
- 53,442
- vs nation
- D+37.8
Key facts
- 2024 presidential margin
- D+69.6MIT Election Lab
- Population
- 156,5962024 5-year
- Population density
- 2,398 / sq mi2024 5-year · TIGER/Line
- Land area
- 65.3 sq miTIGER/Line
- Median household income
- $119,3422024 5-year
- White (non-Hispanic)
- 58.6%2024 5-year
- Black
- 7.7%2024 5-year
- Hispanic / Latino
- 13.3%2024 5-year
- Peak Democratic margin
- D+69.6 in 2024MIT Election Lab
- Peak Republican margin
- R+37.2 in 1904MIT Election Lab
- Most similar
- Legislative (Senate) District 32, WA · twin score 98.5
presidential history
Party record book
Washington 34th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
83.5%
76,707 votes · D+69.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 83.0%
Republican
Theodore Roosevelt1904
62.6%
972 votes · R+37.2 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 52.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
76,707votes
83.5% of the vote · D+69.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 72,801 votes
Republican
Ronald Reagan1984
16,222votes
38.2% of the vote · D+22.4 · modeled estimate
Runner-up · George W. Bush, 2004 · 14,709 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
+71.1pts D vs U.S.
Place D+69.6 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +64.9 pts
Republican
Theodore Roosevelt1904
+17.5pts R vs U.S.
Place R+37.2 · U.S. R+19.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +10.0 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2020 | D | 74.4%59,558 | 25.6%20,442 | 80,000 |
| 2018 | D | 81.0%51,002 | 19.0%11,950 | 62,952 |
With a 2024 presidential margin of D+69.6, this Seattle-area district ranks among the most lopsided in the state, reflecting dense urban settlement and a highly educated, racially diverse electorate concentrated in the city's core neighborhoods.
Across the recorded series it reached a Democratic high of 69.6 points in 2024 and a Republican high of 37.2 points in 1904. The 2024 margin was 69.6 points.
A population of 156,596, a 59% non-Hispanic-white share, and a median household income of $119,342 describe the district. The district's voting pattern over the last decade is most similar to that of Legislative (Senate) District 32 and Legislative (Senate) District 36.
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.
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 →
Washington 34th State Senate District. Akashic. https://akashic.app/sld-upper/53034/. Accessed May 20, 2026. License: CC BY 4.0.