Key West is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 63% of adults in Key West typically vote, near the U.S. average of about 62%. Among adults in Key West, ~32% vote Democratic, ~31% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Key West compares
Among cities within 25 miles, Key West sits roughly in the middle of the political spectrum, with 3 neighbors leaning further in the place's direction and 0 leaning the other way.
Key West runs about 16 points more Democratic than Florida as a whole. Florida leans Republican overall, while Key West sits closer to the political middle.
Politics vary noticeably by neighborhood within Key West. The southwest side runs the most Democratic (D+24) and the northeast side runs the most Republican (R+19), a spread of about 43 points.
Why Key West 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 Key West, not a ranked or complete list of what matters most.
Key West votes against the grain of Florida. Florida leans Republican overall, while Key West runs about 16 points more Democratic.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Key West, FL sits in the top tenth nationally on this measure.
Why turnout in Key West looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Key West is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sugarloaf Shores, FL R+30
- Cudjoe Key, FL R+33
- Summerland Key, FL R+27
- Big Pine Key, FL R+29
- Marathon, FL R+24
- Key Colony Beach, FL R+35
- Long Key, FL R+32
- Layton, FL R+32
Cities with Similar Populations
- Rubidoux, CA D+9
- Palmetto, FL R+18
- Elizabeth City, NC D+4
- Lewiston, ID R+36
- Calumet City, IL D+74
- Kerrville, TX R+39
- Glendale Heights, IL D+14
- Mount Airy, NC R+49
- Pleasant Hill, CA D+41
- Redan, GA D+84
All Local Stats
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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.