Dorchester Estates leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 58% of adults in Dorchester Estates typically vote, near the U.S. average of about 62%. Among adults in Dorchester Estates, ~21% vote Democratic, ~37% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Dorchester Estates compares
Among cities within 25 miles, Dorchester Estates leans more Republican than 33 of 48 neighbors.
Dorchester Estates runs about 9 points more Republican than South Carolina as a whole.
Why Dorchester Estates 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 Dorchester Estates, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in Dorchester Estates drive to work alone, about 14 points above the U.S. average of 74%.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as Dorchester Estates, SC does.
Why turnout in Dorchester Estates looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dorchester Estates is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 20% of adults in Dorchester Estates report food insecurity, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Long Ridge, SC R+19
- Jedburg, SC R+20
- Summerville, SC R+17
- Lincolnville, SC D+19
- Whitesville, SC R+18
- Ladson, SC D+3
- Strawberry, SC R+22
- Ridgeville, SC R+20
- Murraysville, SC R+14
- Givhans, SC R+34
Cities with Similar Populations
- Casey, IA R+51
- Clifton, SC R+48
- Brashear, TX R+74
- Beldenville, WI R+31
- Howells, NE R+68
- Kneeland, WI R+33
- Grandy, MN R+42
- Roby, TX R+75
- Shamrock, OK R+70
- Piney View, WV R+59
Sources and methodology
Precinct-level voting records used to fit the model come from South Carolina State Election Commission, 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.