Plainview leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 64% of adults in Plainview typically vote, near the U.S. average of about 62%. Among adults in Plainview, ~18% vote Democratic, ~46% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Plainview compares
Among cities within 25 miles, Plainview leans more Republican than 38 of 51 neighbors.
Plainview runs about 59 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Plainview is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Plainview. The west side is the most Republican-leaning (R+50) and the northeast side is the least Republican-leaning (R+39), a spread of about 11 points.
Why Plainview leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Plainview, not a ranked or complete list of what matters most.
Plainview votes against the grain of Oregon. Oregon leans Democratic overall, while Plainview runs about 59 points more Republican. Low college attainment predicts Republican voting, and Plainview sits in the bottom quarter (about 15%, below 77% of cities).
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; Plainview, OR sits in the top quarter nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in Plainview looks the way it does
Turnout in Plainview sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sodaville, OR R+41
- Lebanon, OR R+33
- Brownsville, OR R+37
- Shedd, OR R+51
- Spicer, OR R+46
- Tangent, OR R+33
- Waterloo, OR R+41
- Halsey, OR R+56
- Tallman, OR R+46
- Oakville, OR R+36
Cities with Similar Populations
- Warm Springs, MT R+42
- Fronton, TX R+6
- Ewell, TX R+69
- Fleming-Neon, KY R+67
- Monmouth, IA R+43
- Level Land, SC R+73
- Baden, WV R+70
- Spring Valley, AZ R+40
- Transylvania, LA R+35
- Dotyville, WI R+46
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Oregon Secretary of State, Elections Division, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.