Union is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 70% of adults in Union typically vote, above the U.S. average of about 62%. Among adults in Union, ~13% vote Democratic, ~57% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Union compares
Among cities within 25 miles, Union leans more Republican than 46 of 66 neighbors.
Union runs about 41 points more Republican than Mississippi as a whole.
Politics vary noticeably by neighborhood within Union. The northeast side is the most Republican-leaning (R+79) and the south side is the least Republican-leaning (R+48), a spread of about 31 points.
Why Union 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 Union, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in Union are family households, about 10 points above the U.S. average of 67%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Union, MS sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Union looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Union is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 8%, about 52 points below the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Stratton, MS R+72
- Neshoba, MS R+73
- Linwood, MS R+80
- McDonald, MS R+75
- Dixon, MS R+62
- House, MS R+89
- Prospect, MS R+85
- Deemer, MS R+68
- Little Rock, MS R+81
- Perdue, MS R+82
Cities with Similar Populations
- Richton, MS R+73
- Cecilia, KY R+55
- Windsor, VT D+12
- Sebring, OH R+24
- Cherokee Village, AR R+54
- Seneca, MO R+65
- Fischer, TX R+55
- Oconto Falls, WI R+33
- Lisbon Falls, ME R+21
- Stockbridge, MI R+30
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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.