Mill Spring is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 69% of adults in Mill Spring typically vote, above the U.S. average of about 62%. Among adults in Mill Spring, ~11% vote Democratic, ~58% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Mill Spring compares
Among cities within 25 miles, Mill Spring leans more Republican than 21 of 34 neighbors.
Mill Spring runs about 50 points more Republican than Missouri as a whole.
Why Mill Spring 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 Mill Spring, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Mill Spring live in densely developed areas, about 17 points below the Missouri average of 22%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Mill Spring, MO sits in the bottom 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 Mill Spring looks the way it does
Turnout in Mill Spring sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Leeper, MO R+66
- Piedmont, MO R+64
- Ellsinore, MO R+73
- Patterson, MO R+72
- Williamsville, MO R+71
- Greenville, MO R+71
- Holliday Landing, MO R+73
- Cascade, MO R+71
- Ruble, MO R+65
- Des Arc, MO R+67
Cities with Similar Populations
- Brandamore, PA R+9
- Ramsay, MI R+24
- Elijah, MO R+67
- Edgar, MT R+62
- East Brookwood, AL R+77
- Nixon, TN R+79
- Maplesville, KY R+72
- Latty, OH R+61
- Sanders Corner, SC D+17
- San Carlos, TX R+11
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Missouri 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.