Sni Mills is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 75% of adults in Sni Mills typically vote, above the U.S. average of about 62%. Among adults in Sni Mills, ~16% vote Democratic, ~59% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Sni Mills compares
Among cities within 25 miles, Sni Mills leans more Republican than 34 of 57 neighbors.
Sni Mills runs about 37 points more Republican than Missouri as a whole.
Why Sni 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 Sni Mills, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 89% of households in Sni Mills are family households, about 23 points above the U.S. average of 67%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Sni Mills, MO sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Sni Mills looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Sni Mills have completed high school, about 8 points above the Missouri average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bates City, MO R+58
- Chapel Hill, MO R+57
- Oak Grove, MO R+40
- Lone Jack, MO R+48
- Tarsney Lakes, MO R+43
- Lake Lafayette, MO R+61
- Grain Valley, MO R+26
- Lake Lotawana, MO R+31
- Pittsville, MO R+60
- Odessa, MO R+50
Cities with Similar Populations
- Baker, ND R+46
- Trading Post, KS R+62
- Glendale Junction, OR R+38
- Tate, AR R+73
- Grassy Creek, KY R+65
- Swift Run, VA R+62
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.