Humphreys County leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 68% of adults in Humphreys County typically vote, above the U.S. average of about 62%. Among adults in Humphreys County, ~49% vote Democratic, ~19% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Humphreys County compares
Among counties within 50 miles, Humphreys County leans more Democratic than 7 of 11 neighbors.
Humphreys County runs about 66 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while Humphreys County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Humphreys County. The north side runs the most Democratic (D+73) and the west side runs the most Republican (R+55), a spread of about 128 points.
Why Humphreys County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Humphreys County, not a ranked or complete list of what matters most.
Humphreys County votes against the grain of Mississippi. Mississippi leans Republican overall, while Humphreys County runs about 66 points more Democratic. A high never-married share predicts Democratic voting, and about 43% of adults in Humphreys County have never been married, above 96% of counties.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Humphreys County, MS sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Humphreys County looks the way it does
Limited routine healthcare access lines up with lower turnout, and Humphreys County sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Yazoo County, MS D+17
- Sharkey County, MS D+48
- Holmes County, MS D+60
- Sunflower County, MS D+35
- Leflore County, MS D+53
- Washington County, MS D+48
- Issaquena County, MS R+11
- Carroll County, MS R+40
- Bolivar County, MS D+34
- Chicot County, AR D+3
Counties with Similar Populations
- Major County, OK R+73
- Winkler County, TX R+59
- Northwest Arctic Borough, AK D+17
- Doddridge County, WV R+69
- Taylor County, GA R+22
- Searcy County, AR R+68
- Anderson County, KS R+58
- Greene County, AL D+53
- Ballard County, KY R+62
- Pocahontas County, WV R+55
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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.