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

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

Killeen leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 

About 48% of adults in Killeen typically vote, below the U.S. average of about 62%. Among adults in Killeen, ~29% vote Democratic, ~19% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.

How Killeen compares

Among cities within 25 miles, Killeen is the most Democratic-leaning.

Killeen runs about 36 points more Democratic than Texas as a whole. Texas leans Republican overall, while Killeen is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Killeen. The west side is the most Democratic-leaning (D+30) and the southwest side is the least Democratic-leaning (D+18), a spread of about 12 points.

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

Dense areas vote Democratic. About 84% of residents in Killeen live in densely developed areas, about 48 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 33% of adults in Killeen have never been married, above 83% of cities. Killeen runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Killeen, TX sits in the top tenth nationally on this measure.

Why turnout in Killeen looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Killeen 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 Killeen 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 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.