Captiva, FL Political Map | Democrat & Republican Areas in Captiva

By the BestNeighborhood data science team. Last updated May 2026.

Captiva leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.

 

About 79% of adults in Captiva typically vote, above the U.S. average of about 62%. Among adults in Captiva, ~26% vote Democratic, ~53% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.

How Captiva compares

Among cities within 25 miles, Captiva leans more Republican than 12 of 17 neighbors.

Captiva runs about 21 points more Republican than Florida as a whole.

Why Captiva 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 Captiva, not a ranked or complete list of what matters most.

Rural areas vote Republican. About 4% of residents in Captiva live in densely developed areas, about 53 points below the Florida average of 57%. A high family-household share predicts Republican voting, and about 76% of households in Captiva are family households, above 80% of cities.

Population density and Republican lean

Places with low population density tend to lean Republican; Captiva, FL sits in the bottom quarter nationally on this measure.

Why turnout in Captiva looks the way it does

Homeowners vote more often than renters. More than 99% of households in Captiva own their home, about 29 points above the Florida average of 71%. Limited routine healthcare access lines up with lower turnout, and Captiva sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

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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.