HarrisDemocratic41.2%12,895TrumpRepublican55.0%17,227KennedyWe The People2.0%614
R+13.8- Lead
- 4,332
- Total
- 31,334
- vs nation
- R+12.4
- Turnout
- 75.6%
Akashiccounty
Columbia County, OR
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
2024 turnout 75.6% of 41,875 citizens 18+
BidenDemocratic42.9%13,835TrumpRepublican53.2%17,150JorgensenLibertarian2.4%787
R+10.3- Lead
- 3,315
- Total
- 32,221
- vs nation
- R+14.7
- Turnout
- 79.7%
ClintonDemocratic38.2%10,167TrumpRepublican49.7%13,217JohnsonLibertarian6.2%1,646
R+11.5- Lead
- 3,050
- Total
- 26,618
- vs nation
- R+13.5
- Turnout
- 72.1%
ObamaDemocratic50.3%12,004RomneyRepublican45.1%10,772JohnsonLibertarian1.7%401
D+5.2- Lead
- 1,232
- Total
- 23,875
- vs nation
- D+1.3
- Turnout
- —
ObamaDemocratic54.1%13,390McCainRepublican42.0%10,413OtherAll other candidates3.9%965
D+12.0- Lead
- 2,977
- Total
- 24,768
- vs nation
- D+4.7
- Turnout
- —
KerryDemocratic50.4%12,563BushRepublican47.6%11,868OtherAll other candidates2.0%486
D+2.8- Lead
- 695
- Total
- 24,917
- vs nation
- D+5.2
- Turnout
- —
GoreDemocratic48.7%10,331BushRepublican44.2%9,369NaderGreen4.6%970
D+4.5- Lead
- 962
- Total
- 21,195
- vs nation
- D+4.0
- Turnout
- —
ClintonDemocratic50.2%9,275DoleRepublican33.6%6,205PerotReform12.6%2,330
D+16.6- Lead
- 3,070
- Total
- 18,476
- vs nation
- D+8.1
- Turnout
- —
Key facts
- 2024 presidential margin
- R+13.8MIT Election Lab
- Population
- 53,4932024 5-year
- Median household income
- $87,4582024 5-year
- White (non-Hispanic)
- 84.3%2024 5-year
- Black
- 0.6%2024 5-year
- Hispanic / Latino
- 6.7%2024 5-year
- Peak Democratic margin
- D+51.0 in 1964MIT Election Lab
- Peak Republican margin
- R+61.6 in 1904MIT Election Lab
- Most similar
- Grays Harbor County, WA · twin score 89.3
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 75.6%31,645 participants ÷ 41,875 CVAP
- 2020→2022 drop-off
- +12.2 ptsVolatile
- Drop-off versus state
- -2.9 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 63.3%–65.8%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 27,294 | 37,880 | 72.1% | A/A |
| 2018 · Midterm | 25,328 | 39,115 | 64.8% | A/A |
| 2020 · Presidential | 32,496 | 40,765 | 79.7% | A/A |
| 2022 · Midterm | 27,961 | 41,443 | 67.5% | C/A |
| 2024 · Presidential | 31,645 | 41,875 | 75.6% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 154/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
33 precincts · 31,334 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -26 ST HELENS SIX26 ST HELENS SIX | 1,088 | 1,420 | 103 | 2,611 | 41.7% | 54.4% | R+12.7 |
|---|---|---|---|---|---|---|---|
| Precinct -24 ST HELENS FOUR24 ST HELENS FOUR | 1,133 | 1,252 | 93 | 2,478 | 45.7% | 50.5% | R+4.8 |
| Precinct -21 ST HELENS ONE21 ST HELENS ONE | 1,108 | 1,164 | 114 | 2,386 | 46.4% | 48.8% | R+2.3 |
| Precinct -32 SCAPPOOSE TWO32 SCAPPOOSE TWO | 1,159 | 1,087 | 106 | 2,352 | 49.3% | 46.2% | D+3.1 |
| Precinct -41 CITY OF VERNONIA41 CITY OF VERNONIA | 392 | 936 | 57 | 1,385 | 28.3% | 67.6% | R+39.3 |
| Precinct -53 CITY OF COLUMBIA CITY53 CITY OF COLUMBIA CITY | 625 | 690 | 39 | 1,354 | 46.2% | 51.0% | R+4.8 |
| Precinct -34 SCAPPOOSE FOUR34 SCAPPOOSE FOUR | 672 | 613 | 57 | 1,342 | 50.1% | 45.7% | D+4.4 |
| Precinct -06 DELENA06 DELENA | 407 | 770 | 37 | 1,214 | 33.5% | 63.4% | R+29.9 |
| Precinct -35 SE SCAPPOOSE35 SE SCAPPOOSE | 517 | 567 | 44 | 1,128 | 45.8% | 50.3% | R+4.4 |
| Precinct -40 YANKTON40 YANKTON | 396 | 665 | 32 | 1,093 | 36.2% | 60.8% | R+24.6 |
| Precinct -12 McNULTY12 McNULTY | 431 | 579 | 38 | 1,048 | 41.1% | 55.2% | R+14.1 |
| Precinct -15 RAINIER15 RAINIER | 392 | 619 | 34 | 1,045 | 37.5% | 59.2% | R+21.7 |
| Precinct -19 S WARREN19 S WARREN | 422 | 530 | 43 | 995 | 42.4% | 53.3% | R+10.9 |
| Precinct -01 CITY OF CLATSKANIE01 CITY OF CLATSKANIE | 349 | 519 | 34 | 902 | 38.7% | 57.5% | R+18.8 |
| Precinct -47 CHAPMAN47 CHAPMAN | 388 | 422 | 38 | 848 | 45.8% | 49.8% | R+4.0 |
| Precinct -10 MILTON10 MILTON | 370 | 445 | 26 | 841 | 44.0% | 52.9% | R+8.9 |
| Precinct -44 RURAL VERNONIA44 RURAL VERNONIA | 233 | 578 | 26 | 837 | 27.8% | 69.1% | R+41.2 |
| Precinct -08 GOBLE08 GOBLE | 277 | 416 | 33 | 726 | 38.2% | 57.3% | R+19.1 |
| Precinct -31 SCAPPOOSE ONE31 SCAPPOOSE ONE | 332 | 355 | 37 | 724 | 45.9% | 49.0% | R+3.2 |
| Precinct -20 N WARREN20 N WARREN | 275 | 374 | 29 | 678 | 40.6% | 55.2% | R+14.6 |
| Precinct -46 APIARY46 APIARY | 198 | 460 | 20 | 678 | 29.2% | 67.8% | R+38.6 |
| Precinct -04 N CLATSKANIE-MARSHLAND04 N CLATSKANIE-MARSHLAND | 230 | 332 | 26 | 588 | 39.1% | 56.5% | R+17.3 |
| Precinct -05 S CLATSKANIE05 S CLATSKANIE | 176 | 392 | 18 | 586 | 30.0% | 66.9% | R+36.9 |
| Precinct -49 N DEER ISLAND49 N DEER ISLAND | 206 | 361 | 19 | 586 | 35.2% | 61.6% | R+26.5 |
| Precinct -14 QUINCY14 QUINCY | 187 | 329 | 17 | 533 | 35.1% | 61.7% | R+26.6 |
| Precinct -38 W SCAPPOOSE38 W SCAPPOOSE | 222 | 269 | 19 | 510 | 43.5% | 52.7% | R+9.2 |
| Precinct -36 CANYON36 CANYON | 219 | 212 | 25 | 456 | 48.0% | 46.5% | D+1.5 |
| Precinct -17 W RAINIER17 W RAINIER | 159 | 270 | 9 | 438 | 36.3% | 61.6% | R+25.3 |
| Precinct -48 S DEER ISLAND48 S DEER ISLAND | 115 | 249 | 11 | 375 | 30.7% | 66.4% | R+35.7 |
| Precinct -51 MIST51 MIST | 98 | 186 | 10 | 294 | 33.3% | 63.3% | R+29.9 |
| Precinct -18 E RAINIER18 E RAINIER | 77 | 114 | 14 | 205 | 37.6% | 55.6% | R+18.0 |
| Precinct -39 SAUVIE ISLAND39 SAUVIE ISLAND | 29 | 28 | 1 | 58 | 50.0% | 48.3% | D+1.7 |
| Precinct -50 PRESCOTT50 PRESCOTT | 13 | 24 | 3 | 40 | 32.5% | 60.0% | R+27.5 |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −27.7% |
| 1896 | −10.1% |
| 1900 | −34.5% |
| 1904 | −61.6% |
| 1908 | −40.4% |
| 1912 | −3.3% |
| 1916 | −15.3% |
| 1920 | −31.8% |
| 1924 | −33.2% |
| 1928 | −32.3% |
| 1932 | +28.1% |
| 1936 | +48.4% |
| 1940 | +31.9% |
| 1944 | +31.3% |
| 1948 | +20.8% |
| 1952 | +4.4% |
| 1956 | +13.3% |
| 1960 | +12.0% |
| 1964 | +51.0% |
| 1968 | +16.8% |
| 1972 | +5.3% |
| 1976 | +20.1% |
| 1980 | +3.2% |
| 1984 | +2.5% |
| 1988 | +16.2% |
| 1992 | +15.8% |
| 1996 | +16.6% |
| 2000 | +4.5% |
| 2004 | +2.8% |
| 2008 | +12.0% |
| 2012 | +5.2% |
| 2016 | −11.5% |
| 2020 | −10.3% |
| 2024 | −13.8% |
DemocraticRepublican
Federal and statewide elections · 3 House · 39 Senate · 2 Senate special · 12 governor
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.
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate special elections
Each row shows U.S. Senate special votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+1.2
Presidential vote · 2024R+13.8
Registration leans Republican; the presidential vote runs 13 points more Democratic.
42,539 registered voters · 2024 · up from 41,786 in 2022
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+266 net domestic migration · 2025
20112025
Net +4,420 over 2011–2025 · gain loss
Arrivals reported $66,247 in average income, against $83,728 for residents who stayed — 21% lower. (IRS SOI, 2022–23)
The places arrivals came from lean D+29.9 on average — 44 points more Democratic-leaning than Columbia County, OR itself (R+13.8).
Where arrivals came from lean of each source
- Washington County, OR385D+33.7
- Multnomah County, OR297D+61.6
- Clackamas County, OR102D+9.8
- Cowlitz County, WA84R+19.8
- Clark County, WA69D+6.9
- Marion County, OR26R+2.0
Where departures went households, 2022–23
- Washington County, OR209
- Multnomah County, OR174
- Cowlitz County, WA115
- Clark County, WA75
- Clackamas County, OR68
- Clatsop County, OR32
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 | −91 |
| 2012 | −213 |
| 2013 | −69 |
| 2014 | +164 |
| 2015 | +72 |
| 2016 | +1,176 |
| 2017 | +776 |
| 2018 | +497 |
| 2019 | +122 |
| 2021 | +575 |
| 2022 | +525 |
| 2023 | +392 |
| 2024 | +228 |
| 2025 | +266 |
Columbia County sits along the Washington border northwest of Portland, and despite its proximity to the metro area, it has shifted roughly 10 points toward Republicans over the past two presidential cycles, reflecting broader rural realignment in the Pacific Northwest.
Across the recorded series it reached a Democratic high of 51.0 points in 1964 and a Republican high of 61.6 points in 1904. Between 2020 and 2024 the county moved 3.5 points toward the Republican candidate; the 2024 margin was 13.8 points.
A population of 53,493, a 84% non-Hispanic-white share, and a median household income of $87,458 describe the county. The county's voting pattern over the last decade is most similar to that of Grays Harbor County and Mason County.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Grays Harbor County
Washington
89.3twin score
2000–2012 trajectory≠ median income
Mason County
Washington
88.8twin score
2000–2012 trajectory≠ elasticity
Skamania County
Washington
85.1twin score
% unaffiliated2016–2024 trajectory
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.
Columbia County, Oregon. Akashic. https://akashic.app/county/41009/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Columbia County
Oregon at the ballot boxAll elections →
Frequently asked questions
How did Columbia County, Oregon vote in 2024?
In 2024, Columbia County, Oregon voted Republican by 13.8 points (R+13.8), carried by the Republican candidate. Out of 31,334 votes cast, 12,895 went Democratic and 17,227 went Republican.
When did Columbia County, Oregon last vote Democratic?
The most recent presidential election in which Columbia County, Oregon voted Democratic was 2012.
How many people live in Columbia County, Oregon?
Columbia County, Oregon has a population of 53,493 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Columbia County, Oregon?
Median household income in Columbia County, Oregon is $87,458 — above the national median of $80,734. The Oregon state median is $83,011.
What is the political history of Columbia County, Oregon?
Akashic tracks 38 presidential elections in Columbia County, Oregon from 1876 to 2024. Of those, 21 went Democratic and 12 went Republican.