Gravois Mills is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 80% of adults in Gravois Mills typically vote, above the U.S. average of about 62%. Among adults in Gravois Mills, ~18% vote Democratic, ~62% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Gravois Mills compares
Among cities within 25 miles, Gravois Mills leans more Republican than 7 of 40 neighbors.
Gravois Mills runs about 38 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Gravois Mills. The northwest side is the most Republican-leaning (R+66) and the east side is the least Republican-leaning (R+50), a spread of about 16 points.
Why Gravois Mills leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Gravois Mills. The lean here lands roughly where demographic data alone would predict.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; Gravois Mills, MO sits in the bottom tenth nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in Gravois Mills looks the way it does
Turnout in Gravois Mills sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Laurie, MO R+55
- Rocky Mount, MO R+59
- Village of Four Seasons, MO R+38
- Sunrise Beach, MO R+49
- Lake Ozark, MO R+46
- Osage Beach, MO R+46
- Roach, MO R+59
- Barnett, MO R+69
- Sagrada, MO R+62
- Climax Springs, MO R+60
Cities with Similar Populations
- Wurtsboro, NY R+20
- Vandalia, MO R+47
- Pamplico, SC R+28
- Rock Island, TN R+69
- Northfield, MA D+16
- Blowing Rock, NC D+3
- Bedford, KY R+57
- Fort Branch, IN R+44
- Zolfo Springs, FL R+59
- Denver, IA R+30
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.