Sycamore Hills leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 56% of adults in Sycamore Hills typically vote, below the U.S. average of about 62%. Among adults in Sycamore Hills, ~36% vote Democratic, ~20% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Sycamore Hills compares
Among cities within 25 miles, Sycamore Hills leans more Democratic than 116 of 178 neighbors.
Sycamore Hills runs about 47 points more Democratic than Missouri as a whole. Missouri leans Republican overall, while Sycamore Hills is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Sycamore Hills. The northeast side is the most Democratic-leaning (D+51) and the west side is the least Democratic-leaning (D+26), a spread of about 25 points.
Why Sycamore Hills 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 Sycamore Hills, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Sycamore Hills live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Sycamore Hills sits in the top quarter (about 33%, above 79% of cities). Sycamore Hills runs against the grain of Missouri, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Sycamore Hills, MO sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Sycamore Hills looks the way it does
Renters vote less often than owners. About 40% of households in Sycamore Hills rent, about 15 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Charlack, MO D+49
- St. John, MO D+32
- Overland, MO D+24
- Vinita Park, MO D+66
- Breckenridge Hills, MO D+33
- Bel-Ridge, MO D+69
- Vinita Terrace, MO D+68
- Hanley Hills, MO D+76
- Bel-Nor, MO D+68
- Woodson Terrace, MO D+30
Cities with Similar Populations
- Brooklin, ME D+17
- Ashley Falls, MA D+11
- Lincoln Center, ME R+30
- Stone Church, NY R+38
- Richmond Corner, ME R+17
- Brenton, WV R+72
- The Rock, GA R+72
- Garrett, TX R+33
- Cantrall, IL R+38
- Elkton, OR R+38
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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.