Religious adherence is published only at the county level (U.S. Religion Census). See Pierce County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Washington 31st State House District
Akashic
Washington 31st State House DistrictTrumpR+7.1
20082024
How it voted
Share of the 2024 vote
Donald Trump ✓Republican
51.7%
44,468
Kamala HarrisDemocratic
44.7%
38,382
Robert F. Kennedy Jr.We The People
3.6%
3,095
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 2 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (2 counties) — table
2024 presidential result by county for Washington 31st State House District — winner and D-vs-R margin.
County
Winner
Margin
King County, WA
Democratic
D+51.3
Pierce County, WA
Democratic
D+10.7
Akashic
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
R
44.7%Harris38,382
51.7%Trump44,468
3.6%Kennedy3,095
−7.1%
85,945
R
44.8%Biden38,712
52.0%Trump44,909
3.3%Jorgensen2,813
−7.2%
86,434
R
41.0%Clinton25,560
50.7%Trump31,585
8.3%Johnson5,177
−9.7%
62,322
R
48.7%Obama28,540
51.3%Romney30,089
0.0%
−2.6%
58,629
D
49.7%Obama28,495
48.2%McCain27,629
2.1%Nader1,199
+1.5%
57,323
Akashic
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+1.5%
2012
−2.6%
2016
−9.7%
2020
−7.2%
2024
−7.1%
DemocraticRepublican
Akashic
current representation
Current officeholders
RDrew StokesbaryState House · 31
RJosh PennerState House · 31
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+45.1, this district ranks among the most reliably left-leaning constituencies in the state, reflecting the dense urban or suburban concentration typical of heavily Democratic Pacific Northwest seats.
Across the recorded series it reached a Democratic high of 1.5 points in 2008 and a Republican high of 9.7 points in 2016. The 2024 margin was 7.1 points.
A population of 157,054, a 75% non-Hispanic-white share, and a median household income of $122,456 describe the district. The district's voting pattern over the last decade is most similar to that of Legislative (House) District 25 and Legislative (House) District 2.
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Washington 31st State House District. Akashic. https://akashic.app/sld-lower/53031/. Accessed May 20, 2026. License: CC BY 4.0.
How did Washington 31st State House District vote in 2024?
In 2024, Washington 31st State House District voted Republican by 7.1 points (R+7.1), carried by the Republican candidate. Out of 85,945 votes cast, 38,382 went Democratic and 44,468 went Republican.
When did Washington 31st State House District last vote Democratic?
The most recent presidential election in which Washington 31st State House District voted Democratic was 2008.
How many people live in Washington 31st State House District?
Washington 31st State House District has a population of 157,054 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Washington 31st State House District?
Median household income in Washington 31st State House District is $122,456 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Washington 31st State House District?
Akashic tracks 5 presidential elections in Washington 31st State House District from 2008 to 2024. Of those, 1 went Democratic and 4 went Republican.