Boardman leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 45% of adults in Boardman typically vote, below the U.S. average of about 62%. Among adults in Boardman, ~18% vote Democratic, ~27% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.
How Boardman compares
Among cities within 25 miles, Boardman is the least Republican-leaning.
Boardman runs about 34 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Boardman is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Boardman. The northeast side is the most Republican-leaning (R+43) and the north side is the least Republican-leaning (R+21), a spread of about 23 points.
Why Boardman 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 Boardman, not a ranked or complete list of what matters most.
Boardman votes Republican even though it is densely developed (about 36%, modestly above the Oregon average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Boardman sits in the bottom quarter (about 7%, below 97% of cities). A high family-household share predicts Republican voting, and about 79% of households in Boardman are family households, above 86% of cities.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Boardman, OR sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Boardman looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Boardman is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 46%, about 17 points below the Oregon average of 63%. Renters vote less often than owners, and about 31% of households in Boardman rent, above 86% of cities. Low high-school completion lines up with lower turnout, and about 60% of adults in Boardman have completed high school, in the bottom fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Irrigon, OR R+41
- Paterson, WA R+40
- Cecil, OR R+42
- Plymouth, WA R+46
- Ruggs, OR R+60
- Umatilla, OR R+38
- Hermiston, OR R+28
- Morgan, OR R+59
- Stanfield, OR R+53
Cities with Similar Populations
- Ridge Manor, FL R+43
- Seven Lakes, NC R+31
- Frankfort, OH R+57
- Greensboro, AL D+39
- Town Creek, AL R+53
- Willow Springs, MO R+64
- Dearing, GA R+49
- Cotulla, TX R+6
- Knob Noster, MO R+41
- Petersburg, IN R+52
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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.