Shelby is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.
About 66% of adults in Shelby typically vote, near the U.S. average of about 62%. Among adults in Shelby, ~7% vote Democratic, ~59% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Shelby compares
Among cities within 25 miles, Shelby leans more Republican than 53 of 58 neighbors.
Shelby runs about 47 points more Republican than Alabama as a whole.
Politics vary noticeably by neighborhood within Shelby. The northeast side is the most Republican-leaning (R+82) and the northwest side is the least Republican-leaning (R+59), a spread of about 22 points.
Why Shelby leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Shelby. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Shelby, AL sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Shelby looks the way it does
Turnout in Shelby 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
- Talladega Springs, AL R+76
- Columbiana, AL R+55
- South Calera, AL R+54
- Wilsonville, AL R+73
- Klein, AL R+75
- Coosa Pines, AL R+58
- Unity, AL R+80
- Calera, AL R+19
- Collins Chapel, AL R+80
- Saginaw, AL R+41
Cities with Similar Populations
- Nocona, TX R+65
- Lakewood, NY R+13
- Carrollton, MO R+55
- Wheatland, CA R+37
- Olustee, FL R+32
- Forty Fort, PA R+5
- Many Farms, AZ D+61
- Dauphin, PA R+31
- Sutter Creek, CA R+29
- Oroville, WA R+42
All Local Stats
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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.