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

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

Olmito leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.

 

About 56% of adults in Olmito typically vote, below the U.S. average of about 62%. Among adults in Olmito, ~25% vote Democratic, ~31% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.

How Olmito compares

Among cities within 25 miles, Olmito leans more Republican than 14 of 31 neighbors.

Olmito runs about 4 points more Democratic than Texas as a whole.

Politics vary noticeably by neighborhood within Olmito. The west side runs the most Democratic (Even) and the southwest side runs the most Republican (R+14), a spread of about 15 points.

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

Olmito votes Republican even though it is densely developed (about 46%, modestly above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in Olmito are family households, above 87% of cities.

Never-married share, developed land, and voter turnout

Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as Olmito, TX does.

Why turnout in Olmito looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Olmito is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 28%, about 9 points above the Texas average of 19%. Low high-school completion lines up with lower turnout, and about 82% of adults in Olmito have completed high school, below 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.