Johnson County is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 54% of adults in Johnson County typically vote, below the U.S. average of about 62%. Among adults in Johnson County, ~13% vote Democratic, ~41% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Johnson County compares
Among counties within 50 miles, Johnson County leans more Republican than 3 of 8 neighbors.
Johnson County runs about 23 points more Republican than Arkansas as a whole.
Politics vary noticeably by city within Johnson County. The northeast side is the most Republican-leaning (R+64) and the south side is the least Republican-leaning (R+47), a spread of about 17 points.
Why Johnson 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 Johnson County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in Johnson County drive to work alone, about 9 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Johnson County, AR 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 Johnson County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Johnson County 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 47%, about 13 points below the U.S. average of 60%. High food insecurity lines up with lower turnout, and about 22% of adults in Johnson County report food insecurity, above 82% of counties. Low high-school completion lines up with lower turnout, and about 84% of adults in Johnson County have completed high school, below 83% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Franklin County, AR R+64
- Logan County, AR R+63
- Pope County, AR R+47
- Yell County, AR R+59
- Newton County, AR R+63
- Madison County, AR R+61
- Crawford County, AR R+54
- Conway County, AR R+47
- Sebastian County, AR R+29
- Perry County, AR R+62
Counties with Similar Populations
- Staunton City, VA Even
- Montgomery County, NC R+34
- Lawrence County, SD R+37
- Russell County, VA R+68
- Plymouth County, IA R+49
- Hart County, GA R+47
- Edgefield County, SC R+23
- Garvin County, OK R+61
- Montezuma County, CO R+24
- McNairy County, TN R+71
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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.