Forest Grove leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 70% of adults in Forest Grove typically vote, above the U.S. average of about 62%. Among adults in Forest Grove, ~46% vote Democratic, ~24% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Forest Grove compares
Among neighborhoods within 5 miles, Forest Grove leans more Democratic than 10 of 25 neighbors.
Forest Grove runs about 5 points more Democratic than Massachusetts as a whole.
Why Forest Grove leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Forest Grove, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 59% of adults in Forest Grove hold a bachelor's degree, about 31 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 47% of adults in Forest Grove have never been married, above 76% of neighborhoods.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Forest Grove, Worcester, MA sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Forest Grove looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Forest Grove 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 75%, about 15 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Salisbury Street, Worcester, MA D+35
- Indian Lake East, Worcester, MA D+36
- Indian Hill, Worcester, MA D+27
- Newton Square, Worcester, MA D+31
- Tatnuck, Worcester, MA D+32
- Institute Park, Worcester, MA D+50
- North Lincoln Street, Worcester, MA D+38
- Greendale, Worcester, MA D+27
- Bell Hill, Worcester, MA D+36
- Central Business District, Worcester, MA D+42
Neighborhoods with Similar Populations
- Woodstock, Portland, OR D+78
- Glencove, Vallejo, CA D+40
- Bitter Lake, Seattle, WA D+57
- Irvington, Portland, OR D+85
- Southcrest, San Diego, CA D+31
- Northside, Riverside, CA D+17
- South Park Hill, Denver, CO D+74
- South Lamar, Austin, TX D+49
- Shearer Hills-Ridgeview, San Antonio, TX D+20
- Black Mountain Ranch, San Diego, CA D+16
Sources and methodology
Precinct-level voting records used to fit the model come from Massachusetts Secretary of the Commonwealth, Elections, 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.