River Oaks, Houston, TX Political Map | Democrat & Republican Areas in River Oaks

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

River Oaks leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 

About 61% of adults in River Oaks typically vote, near the U.S. average of about 62%. Among adults in River Oaks, ~34% vote Democratic, ~27% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.

How River Oaks compares

Among neighborhoods within 5 miles, River Oaks is the least Democratic-leaning.

River Oaks runs about 25 points more Democratic than Texas as a whole. Texas leans Republican overall, while River Oaks is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within River Oaks. The south side runs the most Democratic (D+21) and the north side runs the most Republican (R+8), a spread of about 29 points.

Why River Oaks leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for River Oaks, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 79% of adults in River Oaks hold a bachelor's degree, about 50 points above the U.S. average of 28%. River Oaks runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; River Oaks, Houston, TX sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in River Oaks looks the way it does

Turnout in River Oaks sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.