McMillan leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 63% of adults in McMillan typically vote, near the U.S. average of about 62%. Among adults in McMillan, ~36% vote Democratic, ~26% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How McMillan compares
Among cities within 25 miles, McMillan leans more Democratic than 37 of 38 neighbors.
McMillan runs about 39 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while McMillan is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within McMillan. The west side runs the most Democratic (D+62) and the northwest side runs the most Republican (R+50), a spread of about 111 points.
Why McMillan 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 McMillan, not a ranked or complete list of what matters most.
McMillan votes against the grain of Mississippi. Mississippi leans Republican overall, while McMillan runs about 39 points more Democratic. A high never-married share predicts Democratic voting, and about 36% of adults in McMillan have never been married, above 89% of cities.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; McMillan, MS sits above the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in McMillan looks the way it does
Limited routine healthcare access lines up with lower turnout, and McMillan sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Highpoint, MS D+38
- Louisville, MS D+2
- Estes, MS R+17
- Handle, MS R+44
- Morgantown, MS R+54
- Ackerman, MS R+11
- McCool, MS R+37
- Fentress, MS R+34
- Noxapater, MS R+29
- Rural Hill, MS R+40
Cities with Similar Populations
- Shanghai Corners, MI R+40
- Muldoon, TX R+68
- Munterville, IA R+53
- Sycamore, KS R+70
- Forest Chapel, TX R+80
- Neelyton, PA R+70
- Harcourt, IA R+48
- Pinola, PA R+51
- Poplar Creek, MS R+79
- Deerbrook, MS D+8
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Mississippi 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.