Mount Zion is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 79% of adults in Mount Zion typically vote, above the U.S. average of about 62%. Among adults in Mount Zion, ~19% vote Democratic, ~60% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Mount Zion compares
Among cities within 25 miles, Mount Zion leans more Republican than 28 of 51 neighbors.
Mount Zion runs about 38 points more Republican than Iowa as a whole.
Why Mount Zion 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 Mount Zion, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Mount Zion, about 95% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 13% of adults hold a bachelor's degree, about 11 points below the Iowa average of 24%.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Mount Zion, IA sits below the national average on this measure.
Why turnout in Mount Zion looks the way it does
Turnout in Mount Zion 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
- Keosauqua, IA R+51
- Lebanon, IA R+51
- Kilbourn, IA R+57
- Pittsburg, IA R+55
- Birmingham, IA R+56
- Stockport, IA R+56
- Leando, IA R+57
- Douds, IA R+57
- Bonaparte, IA R+55
- Mount Sterling, IA R+55
Cities with Similar Populations
- Morning Glory, KY R+63
- Mormon Lake, AZ R+31
- Alice, ND R+44
- Lockport, KY R+62
- Lone Tree, ND R+64
- Lone Star, AZ R+53
- Margerum, AL R+75
- Holder, FL R+48
- Sherrett, PA R+65
- Simcoe, ND R+60
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.