- Lead
- 11,379
- Total
- 73,611
- vs nation
- R+14.0
Washington 16th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,411
- Total
- 76,065
- vs nation
- R+19.5
- Lead
- 11,985
- Total
- 62,054
- vs nation
- R+21.4
- Lead
- 13,481
- Total
- 58,697
- vs nation
- R+26.8
- Lead
- 11,696
- Total
- 55,060
- vs nation
- R+28.5
- Lead
- 15,090
- Total
- 49,203
- vs nation
- R+28.2
- Lead
- 13,118
- Total
- 44,452
- vs nation
- R+30.0
- Lead
- 3,126
- Total
- 40,427
- vs nation
- R+16.3
Key facts
- 2024 presidential margin
- R+15.5MIT Election Lab
- Population
- 160,9062024 5-year
- Population density
- 49 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,315 sq miTIGER/Line
- Median household income
- $86,1952024 5-year
- White (non-Hispanic)
- 63.5%2024 5-year
- Black
- 1.6%2024 5-year
- Hispanic / Latino
- 26.8%2024 5-year
- Peak Democratic margin
- D+19.2 in 1936MIT Election Lab
- Peak Republican margin
- R+47.7 in 1904MIT Election Lab
- Most similar
- Legislative (Senate) District 8, WA · twin score 93.0
presidential history
Party record book
Washington 16th 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
56.5%
8,103 votes · D+19.2 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 56.5%
Republican
Theodore Roosevelt1904
72.0%
3,189 votes · R+47.7 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 69.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
30,825votes
40.5% of the vote · R+15.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 29,832 votes
Republican
Donald Trump2020
42,236votes
55.5% of the vote · R+15.0 · modeled estimate
Runner-up · Donald Trump, 2024 · 41,211 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
+10.8pts D vs U.S.
Place D+4.7 · U.S. R+6.1 · modeled estimate
Runner-up · William J. Bryan, 1900 · −0.9 pts
Republican
George W. Bush2000
+30.0pts R vs U.S.
Place R+29.5 · U.S. D+0.5 · modeled estimate
Runner-up · John McCain, 2008 · +28.5 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.
Washington's 16th Senate District, centered in the Yakima Valley, has posted Republican presidential margins exceeding 20 points in recent cycles, driven by an agricultural economy and a population that skews rural and working-class.
Across the recorded series it reached a Democratic high of 19.2 points in 1936 and a Republican high of 47.7 points in 1904. The 2024 margin was 15.5 points.
A population of 160,906, a 64% non-Hispanic-white share, and a median household income of $86,195 describe the district. The district's voting pattern over the last decade is most similar to that of Legislative (Senate) District 8 and State Senate District 27.
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 16th State Senate District. Akashic. https://akashic.app/sld-upper/53016/. Accessed May 20, 2026. License: CC BY 4.0.