South Miami Heights, FL Political Map | Democrat & Republican Areas in South Miami Heights

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

South Miami Heights leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.

 

About 48% of adults in South Miami Heights typically vote, below the U.S. average of about 62%. Among adults in South Miami Heights, ~21% vote Democratic, ~27% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.

How South Miami Heights compares

Among cities within 25 miles, South Miami Heights leans more Republican than 30 of 57 neighbors.

Politically, South Miami Heights sits close to the rest of Florida.

Politics vary noticeably by neighborhood within South Miami Heights. The south side runs the most Democratic (D+7) and the west side runs the most Republican (R+26), a spread of about 33 points.

Why South Miami Heights 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 South Miami Heights, not a ranked or complete list of what matters most.

South Miami Heights votes Republican even though it is densely developed (more than 99%, far above the Florida average of 57%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 77% of households in South Miami Heights are family households, above 82% of cities.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; South Miami Heights, FL sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in South Miami Heights looks the way it does

Areas with limited routine healthcare access turn out at lower rates. South Miami Heights is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 8 points below the Florida average of 56%. Renters vote less often than owners, and about 35% of households in South Miami Heights rent, above 91% of cities. Low high-school completion lines up with lower turnout, and about 81% of adults in South Miami Heights have completed high school, below 89% of cities. Learn more about the findings and methodology on the political spectrum map.

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.