Mills is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 71% of adults in Mills typically vote, above the U.S. average of about 62%. Among adults in Mills, ~15% vote Democratic, ~56% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Mills compares
Among cities within 25 miles, Mills leans more Republican than 1 of 9 neighbors.
Mills runs about 11 points more Republican than Wyoming as a whole.
Politics vary noticeably by neighborhood within Mills. The northwest side is the most Republican-leaning (R+65) and the southeast side is the least Republican-leaning (R+50), a spread of about 15 points.
Why Mills 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 Mills, not a ranked or complete list of what matters most.
Mills votes Republican even though it is densely developed (about 60%, far above the Wyoming average of 12%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Mills, WY sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Mills looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mills is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Casper, WY R+37
- Bar Nunn, WY R+64
- Evansville, WY R+59
- Paradise Valley, WY R+77
- Parkerton, WY R+67
- Red Buttes Village, WY R+77
- Natrona, WY R+81
- Alcova, WY R+74
- Glenrock, WY R+61
Cities with Similar Populations
- Cutler, CA D+19
- Mayflower, AR R+50
- Grand Saline, TX R+65
- Duquesne, PA D+57
- Isle Of Palms, SC R+14
- Springhill, LA R+24
- Southgate, KY R+4
- South Pasadena, FL R+6
- Seeley, CA R+31
- Chinle, AZ D+61
Sources and methodology
Precinct-level voting records used to fit the model come from Wyoming 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.