72421 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 58% of adults in 72421 typically vote, near the U.S. average of about 62%. Among adults in 72421, ~7% vote Democratic, ~51% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 72421 compares
Among zip codes within 15 miles, 72421 leans more Republican than 8 of 9 neighbors.
72421 runs about 43 points more Republican than Arkansas as a whole.
Why 72421 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 72421, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 72421 live in densely developed areas, about 9 points below the Arkansas average of 13%. A high family-household share predicts Republican voting, and about 77% of households in 72421 are family households, above 86% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 72421, AR sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 72421 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 72421 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 76% of adults in 72421 have completed high school, below 95% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.