Altamonte Springs, FL Political Map | Democrat & Republican Areas in Altamonte Springs

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

Altamonte Springs leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.

 

About 61% of adults in Altamonte Springs typically vote, near the U.S. average of about 62%. Among adults in Altamonte Springs, ~33% vote Democratic, ~28% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.

How Altamonte Springs compares

Among cities within 25 miles, Altamonte Springs leans more Democratic than 58 of 70 neighbors.

Altamonte Springs runs about 21 points more Democratic than Florida as a whole. Florida leans Republican overall, while Altamonte Springs is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Altamonte Springs. The south side runs the most Democratic (D+11) and the southeast side runs the most Republican (R+4), a spread of about 16 points.

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

Dense areas vote Democratic. About 89% of residents in Altamonte Springs live in densely developed areas, about 53 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Altamonte Springs sits in the top quarter (about 38%, above 85% of cities). A high never-married share predicts Democratic voting, and about 39% of adults in Altamonte Springs have never been married, above 92% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Altamonte Springs, 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 Altamonte Springs looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Altamonte Springs is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 46% of households in Altamonte Springs rent, about 21 points above the U.S. average of 25%. 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.