HarrisDemocratic73.3%9,539TrumpRepublican22.2%2,890KennedyIndependent1.5%196
D+51.1- Lead
- 6,649
- Total
- 13,006
- vs nation
- D+52.6
- Turnout
- 83.4%
Akashiccounty
San Juan County, WA
Contests in this Place (89 available)
President34 · 1892–2024 · 3 mapped
▦ precinct · ▥ counties · ▢ no spatial detail
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
President results by year
2024 turnout 83.4% of 15,596 citizens 18+
BidenDemocratic73.7%9,725TrumpRepublican23.2%3,057JorgensenLibertarian1.6%210
D+50.5- Lead
- 6,668
- Total
- 13,197
- vs nation
- D+46.1
- Turnout
- 94.5%
ClintonDemocratic64.4%7,172TrumpRepublican24.1%2,688SteinGreen4.2%467
D+40.3- Lead
- 4,484
- Total
- 11,134
- vs nation
- D+38.2
- Turnout
- 84.8%
ObamaDemocratic66.6%7,125RomneyRepublican29.1%3,111HonkalaGreen1.6%175
D+37.5- Lead
- 4,014
- Total
- 10,692
- vs nation
- D+33.7
- Turnout
- —
ObamaDemocratic70.0%7,374McCainRepublican28.1%2,958OtherAll other candidates1.9%199
D+41.9- Lead
- 4,416
- Total
- 10,531
- vs nation
- D+34.7
- Turnout
- —
KerryDemocratic65.2%6,589BushRepublican32.6%3,290OtherAll other candidates2.2%225
D+32.7- Lead
- 3,299
- Total
- 10,104
- vs nation
- D+35.1
- Turnout
- —
GoreDemocratic52.5%4,426BushRepublican35.7%3,005NaderGreen10.4%875
D+16.9- Lead
- 1,421
- Total
- 8,424
- vs nation
- D+16.3
- Turnout
- —
ClintonDemocratic49.8%3,663DoleRepublican34.3%2,523PerotReform6.9%508
D+15.5- Lead
- 1,140
- Total
- 7,354
- vs nation
- D+7.0
- Turnout
- —
Key facts
- 2024 presidential margin
- D+51.1MIT Election Lab
- Population
- 18,4782024 5-year
- Population density
- 106 / sq mi2024 5-year · TIGER/Line
- Land area
- 174 sq miTIGER/Line
- Median household income
- $84,8002024 5-year
- White (non-Hispanic)
- 85.2%2024 5-year
- Black
- 0.2%2024 5-year
- Hispanic / Latino
- 7.6%2024 5-year
- Peak Democratic margin
- D+51.1 in 2024MIT Election Lab
- Peak Republican margin
- R+59.0 in 1924MIT Election Lab
- Most similar
- Jefferson County, WA · twin score 98.1
Turnout and midterm durability
Participation measured against the same-year citizen voting-age population. Audited cycles count total general-election participants — ballots or participating voters, not presidential candidate votes. Cycles before 2016 predate that series and are derived from the certified presidential returns instead; they are marked everywhere they appear and are excluded from the figures below.
2004–20248 cycles · 5 audited
- 2024 turnout
- 83.4%13,006 participants ÷ 15,596 CVAP
- 2020→2022 drop-off
- +18.4 ptsVolatile
- Drop-off vs state
- -2.7 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026
- 65.0%–72.7%Recent-cycle and two-cycle persistence scenarios; not a forecast
Participation by cycle
Presidential Midterm Derived, pre-2016
Select a presidential cycle to show it on the map and results ledger above.
| Cycle | Participants | CVAP | Turnout | Series | Quality |
|---|---|---|---|---|---|
| 13,006 | 15,596 ± 169 | 83.4% | Audited | C/A | |
| 2022Mid | 11,458 | 15,068 ± 153 | 76.0% | Audited | A/A |
| 13,289 | 14,068 ± 133 | 94.5% | Audited | A/A | |
| 2018Mid | 11,226 | 13,698 ± 132 | 82.0% | Audited | A/A |
| 11,294 | 13,311 ± 144 | 84.8% | Audited | A/A | |
| 10,692 | 12,766 | 83.8% | Derived | — | |
| 10,531 | 12,339 | 85.3% | Derived | — | |
| 10,104 | 11,912 extrapolated | 84.8% | Derived | — |
Sources and methods
Audited cycles (2016, 2018, 2020, 2022, 2024) count total general-election participants against the same-year CVAP special tabulation, each cell carrying its own numerator and denominator quality grade. Derived cycles (2004, 2008, 2012) come from the certified presidential returns on this page over the ACS 5-year CVAP series, so they measure presidential votes cast rather than ballots — a floor on participation. Where a derived cycle predates the ACS its denominator is extrapolated rather than read, and says so on its own line below. They are shown for the longer arc and are excluded from the drop-off, excess-drop-off, and 2026 scenario figures above.
- 2024: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 156/228.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2012 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
- 2008 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
- 2004 (derived): Certified presidential returns · extrapolated CVAP denominator; presidential votes cast — a floor on participation, not a ballot count; 2004 predates the ACS, so the denominator is a linear back-extrapolation from the 2008 and 2012 CVAP values, not a read figure.
Interactive election map
One map. Every available contest.
The map and local result cover San Juan County only. The complete district District 2 result is shown below for comparison.
San Juan County result
0 precinct units · 0 candidate votes
Devin HermansonDemocratic0—
Edwin H. FellerRepublican0—
Rick LarsenDemocratic0—
Tomas ScheelDemocratic0—
Write-InOTH0—
District District 2 result
Loading the complete contest result…
Explore precinct resultsSearch, sort, compare years, or export CSV · 40 precincts
Precinct data
Results by precinct
40 precincts · 13,006 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -LOPEZ NORTHLOPEZ NORTH | 697 | 213 | 43 | 953 | 73.1% | 22.4% | D+50.8 |
|---|---|---|---|---|---|---|---|
| Precinct -SAN JUAN CENTRALSAN JUAN CENTRAL | 650 | 225 | 44 | 919 | 70.7% | 24.5% | D+46.2 |
| Precinct -FRIDAY HARBOR NORTHFRIDAY HARBOR NORTH | 678 | 211 | 29 | 918 | 73.9% | 23.0% | D+50.9 |
| Precinct -ORCAS EASTORCAS EAST | 698 | 163 | 41 | 902 | 77.4% | 18.1% | D+59.3 |
| Precinct -LOPEZ SOUTHLOPEZ SOUTH | 677 | 166 | 48 | 891 | 76.0% | 18.6% | D+57.4 |
| Precinct -SAN JUAN WESTSAN JUAN WEST | 580 | 204 | 22 | 806 | 72.0% | 25.3% | D+46.7 |
| Precinct -SAN JUAN SOUTH WESTSAN JUAN SOUTH WEST | 593 | 174 | 18 | 785 | 75.5% | 22.2% | D+53.4 |
| Precinct -EASTSOUND NORTHEASTSOUND NORTH | 499 | 155 | 48 | 702 | 71.1% | 22.1% | D+49.0 |
| Precinct -SAN JUAN NORTHSAN JUAN NORTH | 435 | 210 | 36 | 681 | 63.9% | 30.8% | D+33.0 |
| Precinct -FRIDAY HARBOR SOUTHFRIDAY HARBOR SOUTH | 482 | 165 | 32 | 679 | 71.0% | 24.3% | D+46.7 |
| Precinct -SAN JUAN EASTSAN JUAN EAST | 498 | 146 | 22 | 666 | 74.8% | 21.9% | D+52.9 |
| Precinct -ORCAS WESTORCAS WEST | 436 | 121 | 28 | 585 | 74.5% | 20.7% | D+53.8 |
| Precinct -ORCAS CENTRALORCAS CENTRAL | 399 | 120 | 37 | 556 | 71.8% | 21.6% | D+50.2 |
| Precinct -SAN JUAN SOUTH EASTSAN JUAN SOUTH EAST | 380 | 132 | 17 | 529 | 71.8% | 25.0% | D+46.9 |
| Precinct -EASTSOUNDEASTSOUND | 403 | 105 | 12 | 520 | 77.5% | 20.2% | D+57.3 |
| Precinct -ORCAS SOUTHORCAS SOUTH | 356 | 80 | 22 | 458 | 77.7% | 17.5% | D+60.3 |
| Precinct -ORCAS NORTHORCAS NORTH | 345 | 75 | 29 | 449 | 76.8% | 16.7% | D+60.1 |
| Precinct -TURN POINTTURN POINT | 224 | 96 | 10 | 330 | 67.9% | 29.1% | D+38.8 |
| Precinct -LOPEZ NORTHWESTLOPEZ NORTHWEST | 172 | 31 | 15 | 218 | 78.9% | 14.2% | D+64.7 |
| Precinct -SHAWSHAW | 121 | 41 | 8 | 170 | 71.2% | 24.1% | D+47.1 |
| Precinct -DECATUR AND OUTER ISDECATUR AND OUTER IS | 93 | 35 | 1 | 129 | 72.1% | 27.1% | D+45.0 |
| Precinct -WALDRON & OUTER ISWALDRON & OUTER IS | 91 | 6 | 11 | 108 | 84.3% | 5.6% | D+78.7 |
| Precinct -BLAKELY & OUTER ISBLAKELY & OUTER IS | 32 | 16 | 4 | 52 | 61.5% | 30.8% | D+30.8 |
| Blakely/Decatur Voting District53_5305555001 | 0 | 0 | 0 | 0 | — | — | No votes |
| Friday Harbor 1 Voting District53_5305555101 | 0 | 0 | 0 | 0 | — | — | No votes |
| Friday Harbor 2 Voting District53_5305555102 | 0 | 0 | 0 | 0 | — | — | No votes |
| Lopez 1 Voting District53_5305555006 | 0 | 0 | 0 | 0 | — | — | No votes |
| Lopez 2 Voting District53_5305555007 | 0 | 0 | 0 | 0 | — | — | No votes |
| Orcas 1 Voting District53_5305555002 | 0 | 0 | 0 | 0 | — | — | No votes |
| Orcas 2 Voting District53_5305555004 | 0 | 0 | 0 | 0 | — | — | No votes |
| Orcas 3 Voting District53_5305555005 | 0 | 0 | 0 | 0 | — | — | No votes |
| Orcas 4 Voting District53_5305555003 | 0 | 0 | 0 | 0 | — | — | No votes |
| San Juan 1 Voting District53_5305555010 | 0 | 0 | 0 | 0 | — | — | No votes |
| San Juan 2 Voting District53_5305555011 | 0 | 0 | 0 | 0 | — | — | No votes |
| San Juan 3 Voting District53_5305555012 | 0 | 0 | 0 | 0 | — | — | No votes |
| San Juan 4 Voting District53_5305555013 | 0 | 0 | 0 | 0 | — | — | No votes |
| San Juan 5 Voting District53_5305555014 | 0 | 0 | 0 | 0 | — | — | No votes |
| Shaw Voting District53_5305555008 | 0 | 0 | 0 | 0 | — | — | No votes |
| Stuart Voting District53_5305555009 | 0 | 0 | 0 | 0 | — | — | No votes |
| Waldron Voting District53_5305555015 | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
Party record book
San Juan County, WA · 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
73.7%
9,725 votes · D+50.5
Runner-up · Kamala Harris, 2024 · 73.3%
Republican
Theodore Roosevelt1904
71.9%
554 votes · R+57.3
Runner-up · Herbert Hoover, 1928 · 66.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
9,725votes
73.7% of the vote · D+50.5
Runner-up · Kamala Harris, 2024 · 9,539 votes
Republican
George W. Bush2004
3,290votes
32.6% of the vote · D+32.7
Runner-up · Mitt Romney, 2012 · 3,111 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
+52.6pts D vs U.S.
Place D+51.1 · U.S. R+1.5
Runner-up · Joe Biden, 2020 · +46.1 pts
Republican
Theodore Roosevelt1904
+37.6pts R vs U.S.
Place R+57.3 · U.S. R+19.7
Runner-up · William H. Taft, 1908 · +36.2 pts
current representation
Current officeholders
DLiz LovelettState Senate · 40
DAlex RamelState House · 40
DDebra LekanoffState House · 40
Seats representing San Juan County, WA. A county elects none of these itself — they are the members for the 1 congressional, 1 state senate and 1 state house districts it falls inside, so parts of the county are represented by different members.
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 shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 13,573 |
| 2018 | 14,094 |
| 2020 | 15,387 |
| 2022 | 15,713 |
| 2024 | 16,197 |
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+70 net domestic migration · 2025
20112025
Net +3,044 over 2011–2025 · gain loss
Arrivals reported $122,903 in average income, against $101,069 for residents who stayed — 22% higher. (IRS SOI, 2022–23)
The places arrivals came from lean D+37.5 on average — 14 points more Republican-leaning than San Juan County, WA itself (D+51.1).
Where arrivals came from lean of each source
- King County, WA117D+51.3
- Whatcom County, WA46D+24.7
- Snohomish County, WA25D+18.8
- Skagit County, WA20D+8.8
Where departures went households, 2022–23
- King County, WA70
- Whatcom County, WA48
- Skagit County, WA41
- Snohomish County, WA29
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | +83 |
| 2012 | +54 |
| 2013 | +105 |
| 2014 | +122 |
| 2015 | +224 |
| 2016 | +153 |
| 2017 | +452 |
| 2018 | +418 |
| 2019 | +474 |
| 2021 | +894 |
| 2022 | +69 |
| 2023 | −93 |
| 2024 | +19 |
| 2025 | +70 |
San Juan County, reachable only by ferry or small plane, combines a tiny year-round population with a heavily educated, affluent resident base that has produced some of the most lopsided presidential margins in the Pacific Northwest.
Across the recorded series it reached a Democratic high of 51.1 points in 2024 and a Republican high of 59.0 points in 1924. Between 2020 and 2024 the county moved 0.6 points toward the Democratic candidate; the 2024 margin was 51.1 points.
A population of 18,478, a 85% non-Hispanic-white share, and a median household income of $84,800 describe the county. The county's voting pattern over the last decade is most similar to that of Jefferson County and Pitkin County.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Jefferson County
Washington
98.1twin score
2016–2024 trajectory12-yr trend≠ French ancestry
Pitkin County
Colorado
94.7twin score
2004–2024 trajectory≠ median age
Clatsop County
Oregon
93.3twin score
2000–2012 trajectory≠ college share
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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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.
San Juan County, Washington. Akashic. https://akashic.app/county/53055/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in San Juan County
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Frequently asked questions
How did San Juan County, Washington vote in 2024?
In 2024, San Juan County, Washington voted Democratic by 51.1 points (D+51.1), carried by the Democratic candidate. Out of 13,006 votes cast, 9,539 went Democratic and 2,890 went Republican.
When did San Juan County, Washington last vote Republican?
The most recent presidential election in which San Juan County, Washington voted Republican was 1984.
How many people live in San Juan County, Washington?
San Juan County, Washington has a population of 18,478 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in San Juan County, Washington?
Median household income in San Juan County, Washington is $84,800 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of San Juan County, Washington?
Akashic tracks 38 presidential elections in San Juan County, Washington from 1876 to 2024. Of those, 15 went Democratic and 18 went Republican.