Crow Agency leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 49% of adults in Crow Agency typically vote, below the U.S. average of about 62%. Among adults in Crow Agency, ~32% vote Democratic, ~18% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Crow Agency compares
Among cities within 25 miles, Crow Agency leans more Democratic than 3 of 4 neighbors.
Crow Agency runs about 48 points more Democratic than Montana as a whole. Montana leans Republican overall, while Crow Agency is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Crow Agency. The southeast side runs the most Democratic (D+42) and the northwest side runs the most Republican (R+61), a spread of about 104 points.
Why Crow Agency 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 Crow Agency, not a ranked or complete list of what matters most.
Crow Agency votes against the grain of Montana. Montana leans Republican overall, while Crow Agency runs about 48 points more Democratic. A high never-married share predicts Democratic voting, and about 42% of adults in Crow Agency have never been married, above 95% of cities.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Crow Agency, 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 Crow Agency looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Crow Agency is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 40%, about 22 points below the Montana average of 62%. High food insecurity lines up with lower turnout, and about 41% of adults in Crow Agency report food insecurity, in the top fraction of cities. High-crime urban areas turn out at lower rates, and Crow Agency sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hardin, MT R+18
- Garryowen, MT D+37
- St. Xavier, MT R+30
- Lodge Grass, MT D+26
- Pompeys Pillar, MT R+68
- Busby, MT D+9
- Sumatra, MT R+66
- Yellowtail, MT R+28
- Kirby, MT D+7
- Big Horn, MT R+66
Cities with Similar Populations
- Shelbina, MO R+58
- Worthington, PA R+56
- Pandora, OH R+67
- Mc Henry, MS R+73
- Jemez Pueblo, NM D+51
- English, IN R+52
- West Sunbury, PA R+56
- Valley Hill, NC R+12
- Prairie City, IA R+34
- Milo, ME R+35
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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.