Dorchester is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 69% of adults in Dorchester typically vote, above the U.S. average of about 62%. Among adults in Dorchester, ~15% vote Democratic, ~54% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Dorchester compares
Among cities within 25 miles, Dorchester leans more Republican than 40 of 41 neighbors.
Dorchester runs about 57 points more Republican than Georgia as a whole.
Politics vary noticeably by neighborhood within Dorchester. The southeast side is the most Republican-leaning (R+63) and the east side is the least Republican-leaning (R+35), a spread of about 28 points.
Why Dorchester leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Dorchester. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Dorchester, GA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Dorchester looks the way it does
Turnout in Dorchester 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
- Midway, GA R+23
- Fleming, GA R+7
- Brisbon, GA R+35
- Daniel, GA R+31
- Richmond Hill, GA R+27
- Keller, GA R+44
- Riceboro, GA D+45
- McIntosh, GA D+38
- Myrtle Grove, GA R+44
Cities with Similar Populations
- Jacksonville, NY D+44
- Wevertown, NY R+4
- Cornwallis, WV R+70
- Crouch, ID R+41
- Rantowles, SC D+7
- Lincoln, NM R+50
- Origanna, MO R+71
- Cochesett, MA R+5
- Nymph, AL D+10
- Ottenheim, KY R+73
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.