Hill County leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 71% of adults in Hill County typically vote, above the U.S. average of about 62%. Among adults in Hill County, ~27% vote Democratic, ~44% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Hill County compares
Hill County sits in a sparsely populated area with few comparable counties nearby.
Politically, Hill County sits close to the rest of Montana.
Politics vary noticeably by city within Hill County. The south side runs the most Democratic (D+58) and the north side runs the most Republican (R+59), a spread of about 116 points.
Why Hill County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Hill County. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Hill County, MT sits above the national average on this measure.
Why turnout in Hill County looks the way it does
Turnout in Hill County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Blaine County, MT Even
- Chouteau County, MT R+24
- Liberty County, MT R+56
- Phillips County, MT R+52
- Toole County, MT R+43
- Fergus County, MT R+50
- Judith Basin County, MT R+62
- Cascade County, MT R+25
- Pondera County, MT R+35
- Teton County, MT R+60
Counties with Similar Populations
- Brooks County, GA R+23
- Fayette County, AL R+68
- Lawrence County, KY R+67
- Atchison County, KS R+34
- Jasper County, MS D+2
- Dade County, GA R+64
- Alamosa County, CO R+3
- Clay County, IA R+34
- Wayne County, TN R+71
- Potter County, PA R+58
All Local Stats
Home Services
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.