St. Mary is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 85% of adults in St. Mary typically vote, above the U.S. average of about 62%. Among adults in St. Mary, ~20% vote Democratic, ~65% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How St. Mary compares
Among cities within 25 miles, St. Mary leans more Republican than 16 of 39 neighbors.
St. Mary runs about 32 points more Republican than Nebraska as a whole.
Why St. Mary 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 St. Mary, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. St. Mary sits in the bottom quarter on density and about 97% of residents are non-Hispanic white, about 10 points above the Nebraska average of 88%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; St. Mary, NE sits in the top quarter 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 St. Mary looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in St. Mary have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sterling, NE R+54
- Tecumseh, NE R+50
- Crab Orchard, NE R+56
- Burr, NE R+47
- Cook, NE R+52
- Elk Creek, NE R+52
- Adams, NE R+60
- Lewiston, NE R+64
- Douglas, NE R+46
- Steinauer, NE R+62
Cities with Similar Populations
- Hale, WI R+28
- Kendall, KS R+78
- Terry, TN R+66
- Vernon, CA D+24
- Orbit, VA R+32
- Middle Water, TX R+86
- Lake Telemark, NJ R+24
- Greenvine, TX R+68
- Encinal, NM D+29
- Hatton, WA R+61
Sources and methodology
Precinct-level voting records used to fit the model come from Nebraska 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.