- Lead
- 33,564
- Total
- 76,558
- vs nation
- D+45.3
Washington 27th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 35,448
- Total
- 82,184
- vs nation
- D+38.7
- Lead
- 23,414
- Total
- 63,685
- vs nation
- D+34.7
- Lead
- 26,417
- Total
- 61,235
- vs nation
- D+39.3
- Lead
- 26,089
- Total
- 59,478
- vs nation
- D+36.6
- Lead
- 19,616
- Total
- 54,367
- vs nation
- D+38.5
- Lead
- 18,679
- Total
- 47,102
- vs nation
- D+39.1
- Lead
- 17,949
- Total
- 42,764
- vs nation
- D+33.5
Key facts
- 2024 presidential margin
- D+43.8MIT Election Lab
- Population
- 156,0802024 5-year
- Population density
- 3,613 / sq mi2024 5-year · TIGER/Line
- Land area
- 43.2 sq miTIGER/Line
- Median household income
- $89,5922024 5-year
- White (non-Hispanic)
- 60.7%2024 5-year
- Black
- 8.6%2024 5-year
- Hispanic / Latino
- 10.8%2024 5-year
- Peak Democratic margin
- D+68.4 in 1936MIT Election Lab
- Peak Republican margin
- R+22.2 in 1904MIT Election Lab
- Most similar
- Legislative (Senate) District 22, WA · twin score 95.4
presidential history
Party record book
Washington 27th 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
Franklin D. Roosevelt1936
82.5%
11,258 votes · D+68.4 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 80.8%
Republican
Theodore Roosevelt1904
54.3%
917 votes · R+22.2 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 49.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
57,361votes
69.8% of the vote · D+43.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 53,469 votes
Republican
Donald Trump2020
21,913votes
26.7% of the vote · D+43.1 · modeled estimate
Runner-up · Donald Trump, 2024 · 19,905 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
William J. Bryan1896
+64.7pts D vs U.S.
Place D+58.7 · U.S. R+6.1 · modeled estimate
Runner-up · Adlai Stevenson, 1956 · +51.2 pts
Republican
Theodore Roosevelt1904
+2.5pts R vs U.S.
Place R+22.2 · U.S. R+19.7 · modeled estimate
Runner-up · William H. Taft, 1912 · −2.4 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 |
|---|---|---|---|---|
| 2018 | D | 59.7%31,998 | 40.3%21,618 | 53,616 |
Washington's 27th Senate District leans modestly Republican at the presidential level while sitting within reach of statewide Democratic trends, making it a reliable bellwether for how Pierce County's suburban and exurban voters respond to national headwinds.
Across the recorded series it reached a Democratic high of 68.4 points in 1936 and a Republican high of 22.2 points in 1904. Between 2020 and 2024 the district moved 0.7 points toward the Democratic candidate; the 2024 margin was 43.8 points.
A population of 156,080, a 61% non-Hispanic-white share, and a median household income of $89,592 describe the district. The district's voting pattern over the last decade is most similar to that of Legislative (Senate) District 22 and Legislative (Senate) District 49.
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 27th State Senate District. Akashic. https://akashic.app/sld-upper/53027/. Accessed May 20, 2026. License: CC BY 4.0.