Dennis is a Republican stronghold. About 10% of voters here vote Democratic and 90% Republican.
About 63% of adults in Dennis typically vote, near the U.S. average of about 62%. Among adults in Dennis, ~6% vote Democratic, ~57% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Dennis compares
Among cities within 25 miles, Dennis leans more Republican than 29 of 54 neighbors.
Dennis runs about 58 points more Republican than Mississippi as a whole.
Politics vary noticeably by neighborhood within Dennis. The east side is the most Republican-leaning (R+87) and the northeast side is the least Republican-leaning (R+71), a spread of about 16 points.
Why Dennis 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 Dennis, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Dennis drive to work alone, about 17 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Dennis sits in the bottom quarter (about 14%, below 81% of cities).
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Dennis, MS sits in the bottom tenth nationally on this measure.
Why turnout in Dennis looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dennis 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 7%, about 53 points below the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ellistown, MS R+86
- Bloody Springs, MS R+88
- Belmont, MS R+78
- Tishomingo, MS R+73
- Paden, MS R+81
- Burtons, MS R+84
- Moores Mill, MS R+86
- New Site, MS R+87
Cities with Similar Populations
- Dumas, MS R+89
- Harwick, PA R+18
- Ethel, MS R+34
- Savoy, TX R+72
- Faulkner, MD R+37
- Onley, VA R+20
- Athena, OR R+60
- Carlsbad, TX R+76
- La Harpe, IL R+57
- Penn Laird, VA R+29
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.