Barlow leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 95% of adults in Barlow typically vote, above the U.S. average of about 62%. Among adults in Barlow, ~54% vote Democratic, ~41% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How Barlow compares
Among cities within 25 miles, Barlow leans more Democratic than 70 of 96 neighbors.
Politically, Barlow sits close to the rest of Oregon.
Why Barlow leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Barlow. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Barlow, OR sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Barlow looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Barlow is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 76%, about 16 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Canby, OR Even
- Aurora, OR R+20
- Fargo, OR R+20
- Whiskey Hill, OR R+25
- Wilsonville, OR D+21
- Butteville, OR R+35
- Hubbard, OR R+22
- Donald, OR R+31
- Hamricks Corner, OR R+36
- West Linn, OR D+33
Cities with Similar Populations
- Pascola, MO R+54
- Buford, ND R+73
- Pavia, PA R+75
- Deschutes, OR R+24
- Glen Hope, PA R+63
- Charbonneau, ND R+83
- Brixey, MO R+71
- Messengerville, NY R+37
- Vail, PA R+53
- Miller Dale Colony, SD R+67
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.