Mosby leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 83% of adults in Mosby typically vote, above the U.S. average of about 62%. Among adults in Mosby, ~22% vote Democratic, ~61% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Mosby compares
Among cities within 25 miles, Mosby leans more Republican than 39 of 72 neighbors.
Mosby runs about 27 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Mosby. The southeast side is the most Republican-leaning (R+58) and the north side is the least Republican-leaning (R+36), a spread of about 22 points.
Why Mosby 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 Mosby, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in Mosby are family households, about 9 points above the U.S. average of 67%.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Mosby, MO sits in the top quarter nationally on this measure.
Why turnout in Mosby looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Mosby have completed high school, about 7 points above the Missouri average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Excelsior Springs Junction, MO R+51
- Elkhorn, MO R+59
- Prathersville, MO R+42
- Missouri City, MO R+41
- Sibley, MO R+55
- Orrick, MO R+60
- Crystal Lakes, MO R+55
- Wood Heights, MO R+56
- Excelsior Springs, MO R+35
Cities with Similar Populations
- Retreat, WI R+27
- Fanchers Mills, TN R+69
- Vineland, AL R+8
- Cashion Community, TX R+70
- Diana, TN R+70
- Scott City, IN R+59
- Sterling, ND R+69
- Seboyeta, NM R+10
- Tennyson, TX R+77
- Venice, UT R+75
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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.