Key Colony Beach leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 98% of adults in Key Colony Beach typically vote, above the U.S. average of about 62%. Among adults in Key Colony Beach, ~31% vote Democratic, ~66% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How Key Colony Beach compares
Among cities within 25 miles, Key Colony Beach leans more Republican than 4 of 6 neighbors.
Key Colony Beach runs about 22 points more Republican than Florida as a whole.
Politics vary noticeably by neighborhood within Key Colony Beach. The southeast side is the most Republican-leaning (R+43) and the south side is the least Republican-leaning (R+32), a spread of about 11 points.
Why Key Colony Beach leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Key Colony Beach. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Key Colony Beach, FL sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Key Colony Beach looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Key Colony Beach 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Key Colony Beach have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Marathon, FL R+24
- Long Key, FL R+32
- Layton, FL R+32
- Big Pine Key, FL R+29
- Summerland Key, FL R+27
- Islamorada, FL R+39
- Cudjoe Key, FL R+33
- Sugarloaf Shores, FL R+30
Cities with Similar Populations
- Selby, SD R+73
- Fairview, MO R+72
- Denver, GA R+73
- DeValls Bluff, AR R+46
- Tazlina, AK R+29
- Ellerton, OH R+38
- Greenbush, VA R+3
- Pattonsburg, MO R+68
- Elko, GA R+40
- Hendrickson, MO R+68
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.