Twin Oaks leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 78% of adults in Twin Oaks typically vote, above the U.S. average of about 62%. Among adults in Twin Oaks, ~44% vote Democratic, ~34% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Twin Oaks compares
Among cities within 25 miles, Twin Oaks leans more Democratic than 94 of 168 neighbors.
Twin Oaks runs about 29 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Twin Oaks is one of the few Democratic-leaning pockets.
Why Twin Oaks 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 Twin Oaks, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 73% of adults in Twin Oaks hold a bachelor's degree, about 44 points above the U.S. average of 28%. Dense areas vote Democratic, and Twin Oaks sits in the top fifth on density (about 90%, above 96% of cities). Twin Oaks runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Twin Oaks, MO sits in the top tenth nationally on this measure.
Why turnout in Twin Oaks looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Twin Oaks 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Twin Oaks have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Valley Park, MO D+8
- Manchester, MO D+10
- Winchester, MO D+8
- Ballwin, MO D+6
- Des Peres, MO Even
- Kirkwood, MO D+20
- Town and Country, MO R+3
- Fenton, MO R+18
- Times Beach, MO R+29
- Ellisville, MO Even
Cities with Similar Populations
- Dimock, PA R+52
- Pine Level, FL R+63
- Rock City Falls, NY R+25
- Islandton, SC R+40
- Bromley, KY R+34
- Fishertown, PA R+65
- Center, ND R+66
- Pine Center, MN R+46
- Bardwell, TX R+56
- Hermanville, MS D+13
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.