Harrisburg leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 54% of adults in Harrisburg typically vote, below the U.S. average of about 62%. Among adults in Harrisburg, ~18% vote Democratic, ~35% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Harrisburg compares
Among cities within 25 miles, Harrisburg leans more Republican than 14 of 41 neighbors.
Politically, Harrisburg sits close to the rest of Alabama.
Politics vary noticeably by neighborhood within Harrisburg. The north side is the most Republican-leaning (R+34) and the northeast side is the least Republican-leaning (R+21), a spread of about 13 points.
Why Harrisburg 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 Harrisburg, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Harrisburg live in densely developed areas, about 15 points below the Alabama average of 19%. A high family-household share predicts Republican voting, and about 76% of households in Harrisburg are family households, above 80% of cities.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Harrisburg, AL sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Harrisburg looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Harrisburg is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 10 points below the Alabama average of 54%. High food insecurity lines up with lower turnout, and about 33% of adults in Harrisburg report food insecurity, above 97% of cities. Low high-school completion lines up with lower turnout, and about 84% of adults in Harrisburg have completed high school, below 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ellards, AL R+34
- Pondville, AL R+34
- Brent, AL R+19
- Jericho, AL R+46
- Fairdale, AL R+13
- Eoline, AL R+73
- Centreville, AL R+53
- Pearson, AL R+74
- Oakmulgee, AL R+41
Cities with Similar Populations
- Roanoke, WV R+62
- Philpott, VA R+53
- Lime City, OH R+29
- Bucktown, MD R+53
- Broadwell, IL R+49
- Brant, NY R+39
- Williana, LA R+91
- Twilight, WV R+67
- Wetipquin, MD R+26
- Skaggs, KY R+75
Sources and methodology
Precinct-level voting records used to fit the model come from Alabama Secretary of State, Elections, 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.