McKinney leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 74% of adults in McKinney typically vote, above the U.S. average of about 62%. Among adults in McKinney, ~21% vote Democratic, ~53% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How McKinney compares
Among cities within 25 miles, McKinney leans more Republican than 24 of 60 neighbors.
McKinney runs about 40 points more Republican than Georgia as a whole.
Politics vary noticeably by neighborhood within McKinney. The southeast side is the most split-leaning (R+73) and the northwest side is the least split-leaning (Even), a spread of about 72 points.
Why McKinney 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 McKinney, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in McKinney drive to work alone, about 17 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; McKinney, GA sits below the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in McKinney looks the way it does
Limited routine healthcare access lines up with lower turnout, and McKinney sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hannahs Mill, GA R+75
- The Rock, GA R+72
- Thomaston, GA R+25
- Topeka Junction, GA R+73
- Rose Hill, GA R+77
- Meansville, GA R+76
- Lincoln Park, GA D+28
- Vega, GA R+75
- Piedmont, GA R+63
Cities with Similar Populations
- Greenland, MI R+27
- North Georgetown, OH R+57
- Gurley, NE R+74
- Rocky Ford, KS R+40
- Filburns Island, OH R+77
- McRoss, WV R+66
- Ford Cliff, PA R+42
- Coaltown, PA R+55
- Stough, AL R+85
- Fairmont, OK R+68
All Local Stats
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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.