Harker Heights is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 62% of adults in Harker Heights typically vote, near the U.S. average of about 62%. Among adults in Harker Heights, ~31% vote Democratic, ~31% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Harker Heights compares
Among cities within 25 miles, Harker Heights sits roughly in the middle of the political spectrum, with 1 neighbors leaning further in the place's direction and 33 leaning the other way.
Harker Heights runs about 13 points more Democratic than Texas as a whole.
Politics vary noticeably by neighborhood within Harker Heights. The southwest side runs the most Democratic (D+14) and the southeast side runs the most Republican (R+16), a spread of about 30 points.
Why Harker Heights leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Harker Heights. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Harker Heights, 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 Harker Heights looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Harker Heights 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
- Nolanville, TX R+21
- Killeen, TX D+23
- Maxdale, TX R+30
- Dog Ridge, TX R+31
- Fort Hood, TX R+3
- Salado, TX R+57
- Belton, TX R+32
- Youngsport, TX R+54
- Kay Bee Heights, TX R+15
- Morgans Point Resort, TX R+45
Cities with Similar Populations
- Huntington, NY D+8
- San Luis, AZ D+5
- Niles, MI R+15
- Havertown, PA D+22
- Pekin, IL R+25
- Greenfield, IN R+38
- Fairbanks, AK D+5
- Sylvania, OH Even
- La Porte, TX R+36
- Desert Hot Springs, CA D+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.