Delta is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 69% of adults in Delta typically vote, above the U.S. average of about 62%. Among adults in Delta, ~9% vote Democratic, ~60% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Delta compares
Among cities within 25 miles, Delta leans more Republican than 77 of 80 neighbors.
Delta runs about 56 points more Republican than Missouri as a whole.
Why Delta 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 Delta, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Delta, more than 99% of residents are non-Hispanic white, about 27 points above the U.S. average of 72%; about 8% of adults hold a bachelor's degree, about 14 points below the Missouri average of 22%.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; Delta, MO sits in the bottom tenth nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in Delta looks the way it does
Turnout in Delta sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chaffee, MO R+60
- Randles, MO R+73
- Dutchtown, MO R+64
- Arbor, MO R+75
- Rockview, MO R+70
- Whitewater, MO R+75
- Blomeyer, MO R+55
- Perkins, MO R+70
- Gordonville, MO R+65
- Oran, MO R+63
Cities with Similar Populations
- Aldenville, PA R+42
- Slab City, WI R+50
- Cooksville, WI Even
- Throopsville, NY R+35
- Copper Center, AK R+31
- Haw Branch, NC R+49
- Queensville, IN R+57
- Millwood, SC D+14
- Battle Creek, VA R+56
- Bledsoe, TN R+63
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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.