Dundee leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 94% of adults in Dundee typically vote, above the U.S. average of about 62%. Among adults in Dundee, ~41% vote Democratic, ~53% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Dundee compares
Among cities within 25 miles, Dundee leans more Republican than 41 of 91 neighbors.
Dundee runs about 26 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Dundee is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Dundee. The south side is the most Republican-leaning (R+26) and the north side is the least Republican-leaning (R+9), a spread of about 17 points.
Why Dundee 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 Dundee, not a ranked or complete list of what matters most.
Dundee votes Republican even though it is densely developed (about 60%, well above the Oregon average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Dundee runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Dundee, OR sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Dundee looks the way it does
Turnout in Dundee 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
- Sunnycrest, OR R+17
- Newberg, OR D+6
- St. Paul, OR R+21
- Lafayette, OR R+10
- Springbrook, OR R+5
- Dayton, OR R+25
- St. Joseph, OR R+14
- Laurel, OR R+9
- Carlton, OR R+28
- Butteville, OR R+35
Cities with Similar Populations
- Saltville, VA R+62
- Catharpin, VA D+4
- Spindale, NC R+25
- Clifton, AZ R+36
- Christiana, PA R+54
- Reddick, FL R+24
- West Reading, PA D+21
- East Wareham, MA R+4
- Center Point, TX R+57
- Menands, NY D+35
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.