Ellisville is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 78% of adults in Ellisville typically vote, above the U.S. average of about 62%. Among adults in Ellisville, ~38% vote Democratic, ~40% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Ellisville compares
Among cities within 25 miles, Ellisville sits roughly in the middle of the political spectrum, with 87 neighbors leaning further in the place's direction and 77 leaning the other way.
Ellisville runs about 17 points more Democratic than Missouri as a whole.
Politics vary noticeably by neighborhood within Ellisville. The northwest side runs the most Democratic (D+6) and the southwest side runs the most Republican (R+21), a spread of about 27 points.
Why Ellisville leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Ellisville. The lean here lands roughly where demographic data alone would predict.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Ellisville, MO sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Ellisville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ellisville is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Ellisville have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Grover, MO R+10
- Ballwin, MO D+6
- Clarkson Valley, MO R+22
- Wildwood, MO R+16
- Winchester, MO D+8
- Manchester, MO D+10
- Times Beach, MO R+29
- Chesterfield, MO D+5
- Twin Oaks, MO D+11
- Valley Park, MO D+8
Cities with Similar Populations
- North Logan, UT R+25
- St. Clair, MI R+33
- Strasburg, VA R+42
- Annapolis Neck, MD D+27
- Sealy, TX R+48
- Lutherville-Timonium, MD D+21
- Morro Bay, CA D+16
- Waterford, CA R+30
- Montpelier, VT D+42
- North Billerica, MA D+6
All Local Stats
Home Services
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.