Lafayette leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 81% of adults in Lafayette typically vote, above the U.S. average of about 62%. Among adults in Lafayette, ~36% vote Democratic, ~45% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Lafayette compares
Among cities within 25 miles, Lafayette leans more Republican than 30 of 85 neighbors.
Lafayette runs about 24 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Lafayette is one of the few Republican-leaning pockets.
Why Lafayette 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 Lafayette, not a ranked or complete list of what matters most.
Lafayette votes Republican even though it is densely developed (about 41%, modestly above the Oregon average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in Lafayette are family households, above 88% of cities. Lafayette runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Lafayette, OR sits in the top quarter 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 Lafayette looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lafayette 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- St. Joseph, OR R+14
- Dayton, OR R+25
- Dundee, OR R+12
- Carlton, OR R+28
- Sunnycrest, OR R+17
- Mcminnville, OR Even
- Eola Village, OR R+24
- St. Paul, OR R+21
- Yamhill, OR R+30
- Unionvale, OR R+33
Cities with Similar Populations
- Fort Huachuca, AZ R+10
- Morganton, GA R+62
- Lake Montezuma, AZ R+27
- New Ipswich, NH R+15
- Butler, MO R+50
- Hiddenite, NC R+64
- Telford, TN R+69
- Ottawa Hills, OH D+24
- Vermont Heights, FL R+40
- Lyndonville, VT R+19
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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.