Potomac leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 80% of adults in Potomac typically vote, above the U.S. average of about 62%. Among adults in Potomac, ~27% vote Democratic, ~53% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Potomac compares
Among cities within 25 miles, Potomac leans more Republican than 8 of 13 neighbors.
Potomac runs about 11 points more Republican than Montana as a whole.
Why Potomac 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 Potomac, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Potomac live in densely developed areas, about 10 points below the Montana average of 13%.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Potomac, MT does.
Why turnout in Potomac looks the way it does
Areas with high high-school completion turn out at higher rates. More than 99% of adults in Potomac have completed high school, about 6 points above the Montana average of 94%. Homeowners vote more often than renters, and about 92% of households in Potomac own their home, about 17 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Twin Creeks, MT R+13
- Bonner, MT R+22
- Clinton, MT R+24
- Ravenna, MT R+44
- Greenough, MT R+29
- Milltown, MT R+3
- Turah, MT R+44
- Woodworth, MT R+35
- Drummond, MT R+53
Cities with Similar Populations
- Clifford, NY R+47
- Glen Daniel, WV R+70
- Oneida Castle, NY R+33
- Blooming Grove, NY R+17
- Waterproof, LA D+56
- Jelloway, OH R+63
- Ruggles, OH R+62
- Cason, TX R+61
- Gudger, TN R+73
- Strasburg, MO R+53
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.