Sherman leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 55% of adults in Sherman typically vote, below the U.S. average of about 62%. Among adults in Sherman, ~20% vote Democratic, ~35% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Sherman compares
Among cities within 25 miles, Sherman leans more Republican than 1 of 67 neighbors.
Sherman runs about 13 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Sherman. The northwest side is the most Republican-leaning (R+45) and the south side is the least Republican-leaning (R+11), a spread of about 34 points.
Why Sherman 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 Sherman, not a ranked or complete list of what matters most.
Sherman votes Republican even though it is densely developed (about 63%, well above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Sherman, TX sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Sherman looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sherman is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 42% of households in Sherman rent, compared to around 20% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Knollwood, TX R+42
- Luella, TX R+72
- Smith Oaks, TX R+69
- Southmayd, TX R+65
- Dorchester, TX R+62
- Denison, TX R+37
- Howe, TX R+56
- Sherman Junction, TX R+59
- White Mound, TX R+70
- Penland, TX R+72
Cities with Similar Populations
- Lompoc, CA D+10
- Antelope, CA R+2
- Zephyrhills, FL R+26
- Morganton, NC R+32
- Coatesville, PA D+16
- Salina, KS R+21
- Holly Springs, NC D+7
- Grand Blanc, MI D+4
- Chesterfield, MO D+5
- Prescott Valley, AZ R+25
All Local Stats
Home Services
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.