Decatur is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 69% of adults in Decatur typically vote, above the U.S. average of about 62%. Among adults in Decatur, ~13% vote Democratic, ~56% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Decatur compares
Among cities within 25 miles, Decatur leans more Republican than 13 of 44 neighbors.
Decatur runs about 49 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Decatur. The southeast side is the most Republican-leaning (R+73) and the west side is the least Republican-leaning (R+52), a spread of about 21 points.
Why Decatur 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 Decatur, not a ranked or complete list of what matters most.
Decatur votes Republican even though it is densely developed (about 25%, modestly below the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Decatur, 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 Decatur looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Decatur is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Runaway Bay, TX R+72
- Greenwood, TX R+74
- New Fairview, TX R+68
- Bridgeport, TX R+62
- Alvord, TX R+75
- Paradise, TX R+77
- Aurora, TX R+68
- Boyd, TX R+74
- Stony, TX R+66
- Rhome, TX R+67
Cities with Similar Populations
- Hazel Crest, IL D+80
- Blue Ash, OH D+10
- Conneaut, OH R+25
- Ruther Glen, VA R+11
- Henderson, CO R+2
- Damascus, MD D+18
- Woodruff, SC R+47
- Pedley, CA R+4
- Milton, DE R+9
- Corona Del Mar, CA R+13
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.