Biloxi leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 56% of adults in Biloxi typically vote, below the U.S. average of about 62%. Among adults in Biloxi, ~22% vote Democratic, ~34% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Biloxi compares
Among cities within 25 miles, Biloxi leans more Republican than 3 of 24 neighbors.
Politically, Biloxi sits close to the rest of Mississippi.
Politics vary noticeably by neighborhood within Biloxi. The southeast side runs the most Democratic (D+26) and the northwest side runs the most Republican (R+53), a spread of about 79 points.
Why Biloxi 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 Biloxi, not a ranked or complete list of what matters most.
Biloxi votes Republican even though it is densely developed (about 65%, far above the Mississippi average of 15%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Biloxi, MS sits in the bottom tenth nationally 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 Biloxi looks the way it does
Renters vote less often than owners. About 44% of households in Biloxi rent, about 19 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Biloxi sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- D'Iberville, MS R+24
- Gulf Hills, MS R+29
- Loraine, MS R+71
- Gulfport, MS Even
- Ocean Springs, MS R+48
- Nugent, MS R+59
- Gulf Park Estates, MS R+39
- Success, MS R+71
- Long Beach, MS R+39
- Wortham, MS R+60
Cities with Similar Populations
- Malden, MA D+39
- Grants Pass, OR R+24
- Aiken, SC R+20
- San Pablo, CA D+48
- Clermont, FL R+16
- Powder Springs, GA D+26
- Brentwood, CA D+7
- Wyoming, MI D+12
- Gilroy, CA D+17
- North Little Rock, AR D+31
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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.