Siesta Key leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 87% of adults in Siesta Key typically vote, above the U.S. average of about 62%. Among adults in Siesta Key, ~37% vote Democratic, ~50% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Siesta Key compares
Among cities within 25 miles, Siesta Key leans more Republican than 9 of 34 neighbors.
Politically, Siesta Key sits close to the rest of Florida.
Why Siesta Key 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 Siesta Key, not a ranked or complete list of what matters most.
Siesta Key votes Republican even though it is densely developed (about 66%, modestly above the Florida average of 57%). Here an older population outweighs the Democratic lean that density usually predicts.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Siesta Key, FL sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Siesta Key looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Siesta Key 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Siesta Key own their home, compared to around 76% in nearby cities. High high-school completion lines up with higher turnout, and about 97% of adults in Siesta Key have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- South Sarasota, FL R+11
- Gulf Gate Estates, FL R+12
- Southgate, FL R+6
- Bee Ridge, FL R+16
- Sarasota Springs, FL R+15
- Sarasota, FL R+16
- North Sarasota, FL D+10
- Fruitville, FL R+19
- Osprey, FL R+17
- Longboat Key, FL R+7
Cities with Similar Populations
- Tichigan, WI R+24
- Lexington, MO R+45
- Saunderstown, RI D+13
- Kanab, UT R+57
- Thiells, NY R+6
- Williamsburg, MI R+8
- Brisbane, CA D+50
- Jamestown, RI D+25
- Godley, TX R+72
- Mosheim, TN R+67
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Sources and methodology
Precinct-level voting records used to fit the model come from Florida Division of 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.