Oak Grove is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 57% of adults in Oak Grove typically vote, near the U.S. average of about 62%. Among adults in Oak Grove, ~12% vote Democratic, ~45% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Oak Grove compares
Among cities within 25 miles, Oak Grove leans more Republican than 42 of 43 neighbors.
Oak Grove runs about 34 points more Republican than Mississippi as a whole.
Politics vary noticeably by neighborhood within Oak Grove. The southeast side runs the most Democratic (D+47) and the west side runs the most Republican (R+66), a spread of about 113 points.
Why Oak Grove 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 Oak Grove, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Oak Grove live in densely developed areas, about 12 points below the Mississippi average of 15%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Oak Grove, 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 Oak Grove looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Oak Grove 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%. Renters vote less often than owners, and about 30% of households in Oak Grove rent, above 84% of cities. High food insecurity lines up with lower turnout, and about 38% of adults in Oak Grove report food insecurity, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Omega, MS D+20
- Deovolente, MS R+57
- Tchula, MS D+77
- Mileston, MS D+59
- Gwin, MS D+66
- Jaketown, MS R+38
- Thornton, MS D+66
- Belzoni, MS D+73
Cities with Similar Populations
- Moose Junction, WI R+29
- Mill Creek, TN R+72
- Michigan, ND R+43
- White Rock, MI R+42
- North Cutler, ME 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.