Hartsburg leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 74% of adults in Hartsburg typically vote, above the U.S. average of about 62%. Among adults in Hartsburg, ~27% vote Democratic, ~47% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Hartsburg compares
Among cities within 25 miles, Hartsburg leans more Republican than 7 of 55 neighbors.
Hartsburg runs about 8 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Hartsburg. The southwest side is the most Republican-leaning (R+61) and the east side is the least Republican-leaning (R+22), a spread of about 39 points.
Why Hartsburg 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 Hartsburg, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 82% of households in Hartsburg are family households, about 15 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Hartsburg, MO sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Hartsburg looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Hartsburg is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Hartsburg have completed high school, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Oldham, MO R+27
- Ashland, MO R+22
- Wilton, MO R+23
- Marion, MO R+57
- Elkhurst, MO R+27
- Englewood, MO R+29
- Cedar City, MO R+43
- Sandy Hook, MO R+64
- Lake Mykee Town, MO R+57
- St. Martins, MO R+48
Cities with Similar Populations
- Christopher, IL R+49
- South Hutchinson, KS R+42
- Marion, KS R+48
- Pine River, MN R+41
- Graysville, AL R+16
- East Lansdowne, PA D+68
- Chenango Forks, NY R+35
- Mecosta, MI R+30
- Oskaloosa, KS R+51
- Oakwood, IL R+49
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.