Miller County leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 56% of adults in Miller County typically vote, below the U.S. average of about 62%. Among adults in Miller County, ~21% vote Democratic, ~35% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Miller County compares
Among counties within 50 miles, Miller County leans more Republican than 2 of 11 neighbors.
Miller County runs about 5 points more Democratic than Arkansas as a whole.
Politics vary noticeably by city within Miller County. The west side runs the most Democratic (D+13) and the southeast side runs the most Republican (R+74), a spread of about 87 points.
Why Miller 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 Miller County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 82% of residents in Miller County drive to work alone, about 8 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Miller County, AR 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 Miller County looks the way it does
Renters vote less often than owners. About 36% of households in Miller County rent, about 11 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Miller County sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 25% of adults in Miller County report food insecurity, above 89% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Bowie County, TX R+29
- Little River County, AR R+45
- Lafayette County, AR R+32
- Cass County, TX R+56
- Hempstead County, AR R+18
- Howard County, AR R+33
- Nevada County, AR R+27
- Columbia County, AR R+18
- Sevier County, AR R+50
- Morris County, TX R+39
Counties with Similar Populations
- Danville City, VA D+32
- Vance County, NC D+19
- Erath County, TX R+55
- Mercer County, OH R+65
- Montrose County, CO R+30
- Union County, PA R+26
- Davie County, NC R+45
- Fulton County, OH R+45
- St. John the Baptist Parish, LA D+27
- Camden County, MO R+54
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Sources and methodology
Precinct-level voting records used to fit the model come from Arkansas 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.