Pine Grove leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 72% of adults in Pine Grove typically vote, above the U.S. average of about 62%. Among adults in Pine Grove, ~30% vote Democratic, ~42% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Pine Grove compares
Among cities within 25 miles, Pine Grove leans more Republican than 10 of 17 neighbors.
Pine Grove runs about 32 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Pine Grove is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Pine Grove. The north side runs the most Democratic (D+10) and the southeast side runs the most Republican (R+41), a spread of about 52 points.
Why Pine Grove 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 Pine Grove, not a ranked or complete list of what matters most.
Pine Grove votes against the grain of Oregon. Oregon leans Democratic overall, while Pine Grove runs about 32 points more Republican.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Pine Grove, OR sits in the bottom tenth nationally on this measure.
Why turnout in Pine Grove looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Pine Grove is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Friend, OR R+44
- Wamic, OR R+42
- Tygh Valley, OR R+42
- Mount Hood-Parkdale, OR D+10
- Parkdale, OR D+9
- Government Camp, OR D+7
- Dufur, OR R+45
- Dee, OR D+3
- Chenoweth, OR R+20
Cities with Similar Populations
- Forward, WI D+13
- Homets Ferry, PA R+60
- Farmers Mills, NY R+9
- Constance, NE R+70
- Berclair, TX R+49
- Jacksonville, MO R+68
- Skytop, PA R+10
- Ramsey, TX R+45
- Penrod, KY R+67
- Hulberton, NY R+44
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.