Mountainbrook leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 72% of adults in Mountainbrook typically vote, above the U.S. average of about 62%. Among adults in Mountainbrook, ~31% vote Democratic, ~41% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Mountainbrook compares
Among cities within 25 miles, Mountainbrook leans more Republican than 9 of 62 neighbors.
Mountainbrook runs about 13 points more Republican than Georgia as a whole.
Politics vary noticeably by neighborhood within Mountainbrook. The northeast side is the most Republican-leaning (R+26) and the east side is the least Republican-leaning (R+12), a spread of about 13 points.
Why Mountainbrook leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mountainbrook. The lean here lands roughly where demographic data alone would predict.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Mountainbrook, GA sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Mountainbrook looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mountainbrook is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 61%, modestly above similar-sized cities (around 55%). Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pine Mountain, GA R+38
- White Sulphur Springs, GA R+32
- Pine Mountain Valley, GA R+52
- Oak Grove, GA R+59
- Jones Crossroads, GA R+54
- Smiths Crossroads, GA R+55
- Stovall, GA R+69
- Durand, GA R+24
- Hamilton, GA R+43
- Warm Springs, GA R+34
Cities with Similar Populations
- Zebina, GA D+36
- Wells Branch, ME R+4
- Watchorn, OK R+60
- Pisgah, WV R+64
- Hebron, PA R+62
- Stansbury Park, UT R+55
- Sunbeam, VA R+26
- Small, NC R+28
- Willow Branch, IN R+59
- Millington, MS D+29
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Sources and methodology
Precinct-level voting records used to fit the model come from Georgia 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.