Key, TX Political Map | Democrat & Republican Areas in Key

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

Key is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.

 

About 59% of adults in Key typically vote, near the U.S. average of about 62%. Among adults in Key, ~6% vote Democratic, ~53% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.

How Key compares

Among cities within 25 miles, Key leans more Republican than 6 of 13 neighbors.

Key runs about 64 points more Republican than Texas as a whole.

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

Areas with many family households vote Republican. About 90% of households in Key are family households, about 23 points above the U.S. average of 67%. Rural areas vote Republican, and Key sits in the bottom quarter on density (about 4%, below 88% of cities). Low college attainment predicts Republican voting, and Key sits in the bottom quarter (about 14%, below 82% of cities).

Population density, never-married share, and Republican lean

Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Key, TX does.

Why turnout in Key looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Key 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 33% of households in Key rent, above 88% of cities. 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 Texas Secretary of State, Elections Division, 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.