Bigfork leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 90% of adults in Bigfork typically vote, above the U.S. average of about 62%. Among adults in Bigfork, ~33% vote Democratic, ~57% Republican, and ~10% don't vote. The map below shows estimated turnout by block group.
How Bigfork compares
Among cities within 25 miles, Bigfork leans more Republican than 5 of 20 neighbors.
Bigfork runs about 5 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Bigfork. The northeast side is the most Republican-leaning (R+37) and the southwest side is the least Republican-leaning (R+5), a spread of about 32 points.
Why Bigfork leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Bigfork. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Bigfork, MT 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 Bigfork looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Bigfork 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 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Bigfork have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Woods Bay, MT R+24
- Creston, MT R+41
- Somers, MT R+42
- Lakeside, MT R+26
- Bear Dance, MT R+16
- Rollins, MT R+19
- Swan Lake, MT R+35
- Evergreen, MT R+45
- Kalispell, MT R+33
- Proctor, MT R+21
Cities with Similar Populations
- Miramar Beach, FL R+39
- Lake Park, GA R+54
- South Cleveland, TN R+58
- Pevely, MO R+43
- Spring City, TN R+66
- Benson, AZ R+39
- Hayesville, NC R+46
- Adams, MA D+7
- Fanwood, NJ D+29
- Mendenhall, MS R+34
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Montana Secretary of State, 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.