Acton is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 63% of adults in Acton typically vote, near the U.S. average of about 62%. Among adults in Acton, ~14% vote Democratic, ~49% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Acton compares
Among cities within 25 miles, Acton leans more Republican than 5 of 11 neighbors.
Acton runs about 37 points more Republican than Montana as a whole.
Why Acton 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 Acton, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 78% of households in Acton are family households, about 11 points above the U.S. average of 67%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Acton, MT sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Acton looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Acton is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Molt, MT R+64
- Billings Heights, MT R+56
- Billings, MT R+20
- Broadview, MT R+58
- Hesper, MT R+48
- Lockwood, MT R+43
- Shepherd, MT R+62
- Laurel, MT R+42
- Huntley, MT R+64
- Park City, MT R+66
Cities with Similar Populations
- Selea, PA R+74
- Hornby, NY R+39
- Vine Grove Junction, KY R+10
- Gilmour, IN R+62
- New Salisbury, OH R+62
- Spade, TX R+69
- Peru, KS R+78
- Dover, IN R+51
- Hoboken, NY R+39
- Arapahoe, CO R+74
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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.