Pompeys Pillar is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 54% of adults in Pompeys Pillar typically vote, below the U.S. average of about 62%. Among adults in Pompeys Pillar, ~9% vote Democratic, ~45% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Pompeys Pillar compares
Among cities within 25 miles, Pompeys Pillar leans more Republican than 5 of 6 neighbors.
Pompeys Pillar runs about 48 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Pompeys Pillar. The west side is the most Republican-leaning (R+72) and the east side is the least Republican-leaning (R+61), a spread of about 10 points.
Why Pompeys Pillar 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 Pompeys Pillar, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Pompeys Pillar sits in the bottom quarter on density and about 94% of residents are non-Hispanic white, about 11 points above the Montana average of 83%.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Pompeys Pillar, MT sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Pompeys Pillar looks the way it does
Turnout in Pompeys Pillar 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 Cities
- Ballantine, MT R+64
- Worden, MT R+65
- Custer, MT R+72
- Hardin, MT R+18
- Big Horn, MT R+66
- Huntley, MT R+64
- Shepherd, MT R+62
- Crow Agency, MT D+28
- Lockwood, MT R+43
- Billings Heights, MT R+56
Cities with Similar Populations
- Dorchester, NJ R+46
- Belle Valley, OH R+60
- Fame, MS R+87
- Rockhill, PA R+60
- Edwall, WA R+55
- Spring Prairie, WI R+27
- Union City, MO R+65
- Ischua, NY R+48
- The Ridge, VA R+21
- Whiteside, PA R+56
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.