72638 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 57% of adults in 72638 typically vote, near the U.S. average of about 62%. Among adults in 72638, ~16% vote Democratic, ~40% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 72638 compares
Among zip codes within 15 miles, 72638 is the least Republican-leaning.
72638 runs about 12 points more Republican than Arkansas as a whole.
Politics vary noticeably by block within 72638. The northeast side is the most Republican-leaning (R+66) and the west side is the least Republican-leaning (R+28), a spread of about 38 points.
Why 72638 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 72638, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 72638 hold a bachelor's degree, about 5 points below the Arkansas average of 18%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 72638, 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 72638 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 72638 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 49%, about 11 points below the U.S. average of 60%. High food insecurity lines up with lower turnout, and about 23% of adults in 72638 report food insecurity, above 85% of zip codes. Low high-school completion lines up with lower turnout, and about 72% of adults in 72638 have completed high school, below 97% 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.