Sachse leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 69% of adults in Sachse typically vote, above the U.S. average of about 62%. Among adults in Sachse, ~31% vote Democratic, ~38% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Sachse compares
Among cities within 25 miles, Sachse leans more Republican than 26 of 62 neighbors.
Politically, Sachse sits close to the rest of Texas.
Politics vary noticeably by neighborhood within Sachse. The east side is the most split-leaning (R+19) and the south side is the least split-leaning (R+2), a spread of about 17 points.
Why Sachse 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 Sachse, not a ranked or complete list of what matters most.
Sachse votes Republican even though it is densely developed (about 88%, far 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 78% of households in Sachse are family households, above 85% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Sachse, TX sits in the top tenth nationally on this measure.
Why turnout in Sachse looks the way it does
Turnout in Sachse 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
- Wylie, TX R+12
- Murphy, TX R+8
- Rowlett, TX R+6
- St. Paul, TX R+23
- Parker, TX R+17
- Garland, TX D+15
- Richardson, TX D+14
- Lucas, TX R+34
- Lavon, TX R+33
- Rockwall, TX R+31
Cities with Similar Populations
- Fort Dodge, IA R+15
- Haslet, TX R+33
- Fremont, OH R+21
- Logansport, IN R+31
- Tarpon Springs, FL R+15
- Sebastian, FL R+27
- Colonial Heights, VA R+5
- Marina, CA D+32
- Wailuku, HI D+19
- Austintown, OH R+4
All Local Stats
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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.