Roosevelt County is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 69% of adults in Roosevelt County typically vote, above the U.S. average of about 62%. Among adults in Roosevelt County, ~34% vote Democratic, ~35% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Roosevelt County compares
Among counties within 50 miles, Roosevelt County sits roughly in the middle of the political spectrum, with 2 neighbors leaning further in the place's direction and 0 leaning the other way.
Roosevelt County runs about 21 points more Democratic than Montana as a whole. Montana leans Republican overall, while Roosevelt County sits closer to the political middle.
Politics vary noticeably by city within Roosevelt County. The south side runs the most Democratic (D+30) and the southeast side runs the most Republican (R+62), a spread of about 93 points.
Why Roosevelt County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Roosevelt County, not a ranked or complete list of what matters most.
Roosevelt County votes against the grain of Montana. Montana leans Republican overall, while Roosevelt County runs about 21 points more Democratic.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Roosevelt County, MT sits in the bottom tenth 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 Roosevelt County looks the way it does
Turnout in Roosevelt County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- McCone County, MT R+72
- Daniels County, MT R+66
- Sheridan County, MT R+58
- Richland County, MT R+62
- Valley County, MT R+48
- Dawson County, MT R+55
- Williams County, ND R+61
- Prairie County, MT R+68
- McKenzie County, ND R+56
- Wibaux County, MT R+75
Counties with Similar Populations
- Hancock County, IA R+42
- Carroll County, KY R+51
- Pushmataha County, OK R+70
- Evans County, GA R+33
- Sussex County, VA Even
- Mackinac County, MI R+19
- Louisa County, IA R+37
- Box Butte County, NE R+55
- Barnes County, ND R+36
- Early County, GA R+6
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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.