Walnut City is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 83% of adults in Walnut City typically vote, above the U.S. average of about 62%. Among adults in Walnut City, ~20% vote Democratic, ~63% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Walnut City compares
Among cities within 25 miles, Walnut City leans more Republican than 25 of 44 neighbors.
Walnut City runs about 39 points more Republican than Iowa as a whole.
Why Walnut City leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Walnut City, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 79% of households in Walnut City are family households, about 12 points above the U.S. average of 67%.
Population density and Republican lean
Places with low population density tend to lean Republican; Walnut City, IA sits in the bottom quarter nationally on this measure.
Why turnout in Walnut City looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Walnut City is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Walnut City own their home, compared to around 78% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Mystic, IA R+51
- Garfield, IA R+50
- Rathbun, IA R+53
- Plano, IA R+52
- Sunshine, IA R+53
- Forbush, IA R+46
- Centerville, IA R+34
- Moravia, IA R+51
- Jerome, IA R+58
Cities with Similar Populations
- Almartha, MO R+71
- New Almelo, KS R+78
- Sandberg, CA R+28
- Guthrie, IL R+57
- Rose Bay, NC R+41
- Urey, PA R+68
- Brownsville, MD R+38
- Brookland, PA R+64
- Burns, CO D+5
- Fort Adams, MS D+23
Sources and methodology
Precinct-level voting records used to fit the model come from Iowa 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.