Terre du Lac is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 94% of adults in Terre du Lac typically vote, above the U.S. average of about 62%. Among adults in Terre du Lac, ~21% vote Democratic, ~73% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Terre du Lac compares
Among cities within 25 miles, Terre du Lac leans more Republican than 15 of 68 neighbors.
Terre du Lac runs about 38 points more Republican than Missouri as a whole.
Why Terre du Lac 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 Terre du Lac, not a ranked or complete list of what matters most.
Terre du Lac votes Republican even though it is densely developed (about 27%, modestly above the Missouri average of 22%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Terre du Lac, MO sits in the top tenth nationally on this measure.
Why turnout in Terre du Lac looks the way it does
Homeowners vote more often than renters. About 98% of households in Terre du Lac own their home, about 19 points above the Missouri average of 78%. High high-school completion lines up with higher turnout, and about 97% of adults in Terre du Lac have completed high school, above 87% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- East Bonne Terre, MO R+56
- Summit, MO R+67
- Leadwood, MO R+55
- Frankclay, MO R+61
- Wortham, MO R+65
- Bonne Terre, MO R+48
- Mineral Point, MO R+61
- Desloge, MO R+46
- Shibboleth, MO R+67
- Irondale, MO R+66
Cities with Similar Populations
- Coaling, AL R+61
- Selma, IN R+48
- Vanderbilt, PA R+49
- Centerview, MO R+52
- Stanley, NY R+28
- Elbridge, NY R+24
- Nevis, MN R+31
- Raleigh, MS R+61
- Walnut Grove, GA R+53
- Marion, LA R+60
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.