Maryville leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 79% of adults in Maryville typically vote, above the U.S. average of about 62%. Among adults in Maryville, ~24% vote Democratic, ~55% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Maryville compares
Among cities within 25 miles, Maryville leans more Republican than 18 of 51 neighbors.
Maryville runs about 27 points more Republican than Iowa as a whole.
Why Maryville 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 Maryville, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in Maryville drive to work alone, about 13 points above the U.S. average of 74%.
Population density and Republican lean
Places with low population density tend to lean Republican; Maryville, IA sits below the national average on this measure.
Why turnout in Maryville looks the way it does
Turnout in Maryville sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Arlington, IA R+39
- Strawberry Point, IA R+42
- Lamont, IA R+42
- Dundee, IA R+45
- Aurora, IA R+43
- Stanley, IA R+43
- Wadena, IA R+38
- Osborne, IA R+46
- Volga, IA R+45
- Edgewood, IA R+46
Cities with Similar Populations
- Lumber, AR R+66
- Alton Station, KY R+61
- Phillips, OK R+72
- Marshall, WV R+69
- Naper, NE R+75
- Empire, OH R+54
- Fulgham, KY R+65
- Dodge, WI R+27
- Bloomington, PA R+36
- Scraper, OK R+50
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.