Old Union is a Republican stronghold. About 8% of voters here vote Democratic and 92% Republican.
About 88% of adults in Old Union typically vote, above the U.S. average of about 62%. Among adults in Old Union, ~7% vote Democratic, ~81% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Old Union compares
Among cities within 25 miles, Old Union leans more Republican than 41 of 43 neighbors.
Old Union runs about 71 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Old Union. The west side is the most Republican-leaning (R+87) and the south side is the least Republican-leaning (R+60), a spread of about 27 points.
Why Old Union leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Old Union. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Old Union, TX sits in the bottom tenth 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 Old Union looks the way it does
Turnout in Old Union 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.
Nearby Cities
- Simms, TX R+87
- Corley, TX R+75
- Old Boston, TX R+78
- New Boston, TX R+20
- Maud, TX R+79
- Malta, TX R+77
- College Hill, TX R+82
- Marietta, TX R+57
- Whaley, TX R+61
- Redwater, TX R+79
Cities with Similar Populations
- Graysville, IN R+55
- Tendal, LA R+76
- Harriston, MS D+71
- Chicota, TX R+51
- Oak Hills, PA R+22
- Westboro, MO R+67
- Kline, CO R+26
- Taylors Store, NC D+17
- Prairie Center, WA D+12
- Banetown, PA R+52
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.