Old Monroe is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 71% of adults in Old Monroe typically vote, above the U.S. average of about 62%. Among adults in Old Monroe, ~16% vote Democratic, ~55% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Old Monroe compares
Among cities within 25 miles, Old Monroe leans more Republican than 52 of 74 neighbors.
Old Monroe runs about 38 points more Republican than Missouri as a whole.
Why Old Monroe 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 Old Monroe, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Old Monroe drive to work alone, about 16 points above the U.S. average of 74%.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; Old Monroe, MO sits in the bottom quarter nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in Old Monroe looks the way it does
Turnout in Old Monroe 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
- Maryknoll, MO R+55
- Winfield, MO R+54
- Moscow Mills, MO R+48
- Cap au Gris, MO R+56
- Chain of Rocks, MO R+55
- Foley, MO R+57
- St. Paul, MO R+32
- Josephville, MO R+35
- Flint Hill, MO R+19
- Troy, MO R+45
Cities with Similar Populations
- Glenmora, LA R+70
- Gasport, NY R+41
- Myrtle Point, OR R+32
- Manville, RI D+6
- Scott AFB, IL Even
- St. Jacob, IL R+37
- Bechtelsville, PA R+33
- Taylor Lake Village, TX R+23
- Greensburg, LA D+6
- Northwoods, MO D+86
All Local Stats
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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.