Parnell is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 70% of adults in Parnell typically vote, above the U.S. average of about 62%. Among adults in Parnell, ~12% vote Democratic, ~58% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Parnell compares
Among cities within 25 miles, Parnell leans more Republican than 30 of 46 neighbors.
Parnell runs about 47 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Parnell. The northeast side is the most Republican-leaning (R+72) and the southwest side is the least Republican-leaning (R+62), a spread of about 10 points.
Why Parnell 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 Parnell, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in Parnell hold a bachelor's degree, about 9 points below the Missouri average of 22%. Rural areas with a high white share vote Republican. Non-Hispanic white share in Parnell is about 94%, about 21 points above the U.S. average of 72%.
Population density and Republican lean
Places with low population density tend to lean Republican; Parnell, MO sits in the bottom quarter nationally on this measure.
Why turnout in Parnell looks the way it does
Turnout in Parnell sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sheridan, MO R+70
- Ravenwood, MO R+62
- Orrsburg, MO R+60
- Isadora, MO R+72
- Worth, MO R+66
- Gentry, MO R+69
- Clyde, MO R+60
- Conception Junction, MO R+57
- Pickering, MO R+60
Cities with Similar Populations
- Crawford, OH R+61
- Twin Oak, TN R+69
- Canfield, WV R+61
- Bent, NM R+27
- Heartwell, NE R+64
- Collyer, KS R+80
- Elco, IL R+55
- Tadmor, TX R+60
- Coveville, PA R+4
- Linlithgo, NY Even
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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.