Phillips County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 84% of adults in Phillips County typically vote, above the U.S. average of about 62%. Among adults in Phillips County, ~20% vote Democratic, ~64% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Phillips County compares
Phillips County runs about 32 points more Republican than Montana as a whole.
Why Phillips County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Phillips County. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Phillips County, MT sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Phillips County looks the way it does
Areas with high high-school completion turn out at higher rates. About 95% of adults in Phillips County have completed high school, about 5 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Blaine County, MT Even
- Valley County, MT R+48
- Garfield County, MT R+87
- Hill County, MT R+23
- Petroleum County, MT R+69
- Fergus County, MT R+50
- Daniels County, MT R+66
- McCone County, MT R+72
- Chouteau County, MT R+24
- Roosevelt County, MT Even
Counties with Similar Populations
- Holt County, MO R+61
- Bath County, VA R+54
- Kittson County, MN R+34
- Barber County, KS R+69
- Mora County, NM D+18
- Menominee County, WI D+59
- Hidalgo County, NM R+22
- Grant County, OK R+70
- Custer County, ID R+52
- Kimble County, TX R+63
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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.