Tarkio is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 81% of adults in Tarkio typically vote, above the U.S. average of about 62%. Among adults in Tarkio, ~19% vote Democratic, ~62% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Tarkio compares
Among cities within 25 miles, Tarkio leans more Republican than 6 of 32 neighbors.
Tarkio runs about 34 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Tarkio. The southeast side is the most Republican-leaning (R+61) and the east side is the least Republican-leaning (R+46), a spread of about 15 points.
Why Tarkio leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Tarkio. The lean here lands roughly where demographic data alone would predict.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; Tarkio, MO sits in the bottom quarter nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in Tarkio looks the way it does
Turnout in Tarkio 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
- Westboro, MO R+67
- Fairfax, MO R+62
- Rock Port, MO R+60
- Watson, MO R+65
- Northboro, IA R+54
- Elmo, MO R+66
- Corning, MO R+67
- Blanchard, IA R+57
- Brownville, NE R+55
- Quitman, MO R+66
Cities with Similar Populations
- Hopewell, NC R+27
- Peletier, NC R+51
- Norwood Court, MO D+82
- Banner, KY R+66
- West Coxsackie, NY R+26
- Wisner, LA R+12
- Verndale, MN R+63
- Gibson, LA R+19
- Charlestown, MD R+19
- South Floral Park, NY D+53
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.