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

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

Arlington leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.

 

About 50% of adults in Arlington typically vote, below the U.S. average of about 62%. Among adults in Arlington, ~28% vote Democratic, ~22% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.

How Arlington compares

Among cities within 25 miles, Arlington leans more Democratic than 53 of 67 neighbors.

Arlington runs about 27 points more Democratic than Texas as a whole. Texas leans Republican overall, while Arlington is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Arlington. The south side runs the most Democratic (D+26) and the west side runs the most Republican (R+9), a spread of about 34 points.

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

Dense areas vote Democratic. About 95% of residents in Arlington live in densely developed areas, about 59 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Arlington sits in the top quarter (about 32%, above 77% of cities). A high never-married share predicts Democratic voting, and about 38% of adults in Arlington have never been married, above 92% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Arlington, TX sits in the top quarter 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 Arlington looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Arlington 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 42% of households in Arlington rent, about 17 points above the U.S. average of 25%. 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.