Allendale is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 81% of adults in Allendale typically vote, above the U.S. average of about 62%. Among adults in Allendale, ~14% vote Democratic, ~67% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Allendale compares
Among cities within 25 miles, Allendale leans more Republican than 19 of 37 neighbors.
Allendale runs about 47 points more Republican than Missouri as a whole.
Why Allendale 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 Allendale, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Allendale sits in the bottom quarter on density and about 98% of residents are non-Hispanic white, about 12 points above the Missouri average of 87%.
Population density and Republican lean
Places with low population density tend to lean Republican; Allendale, MO sits in the bottom tenth nationally on this measure.
Why turnout in Allendale looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Allendale have completed high school, about 8 points above the Missouri average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hatfield, MO R+68
- Washington Center, MO R+67
- Grant City, MO R+60
- Irena, MO R+69
- Denver, MO R+66
- Redding, IA R+54
- Martinsville, MO R+69
- Delphos, IA R+54
- Worth, MO R+66
- Isadora, MO R+72
Cities with Similar Populations
- Denali National Park, AK R+36
- Esmond, ND R+43
- Angola on the Lake, NY R+20
- Bona, MO R+69
- Cowart, MS D+6
- Helvetia, WV R+67
- Blue Clay Farms, NC R+13
- Shuler, AR R+62
- Idlewild, LA R+32
- Iantha, MO R+72
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Sources and methodology
Precinct-level voting records used to fit the model come from Missouri 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.