Traill County leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 79% of adults in Traill County typically vote, above the U.S. average of about 62%. Among adults in Traill County, ~24% vote Democratic, ~55% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Traill County compares
Among counties within 50 miles, Traill County leans more Republican than 5 of 6 neighbors.
Politically, Traill County sits close to the rest of North Dakota.
Why Traill County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Traill County. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Traill County, ND 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 Traill County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Traill County 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 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 94% of adults in Traill County have completed high school, above 87% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Steele County, ND R+33
- Grand Forks County, ND R+8
- Norman County, MN R+27
- Polk County, MN R+31
- Griggs County, ND R+52
- Cass County, ND R+5
- Clay County, MN R+3
- Barnes County, ND R+36
- Nelson County, ND R+43
- Red Lake County, MN R+47
Counties with Similar Populations
- Hamilton County, IL R+62
- Lemhi County, ID R+61
- Liberty County, FL R+45
- Twiggs County, GA R+22
- Graham County, NC R+62
- Allendale County, SC D+37
- Schoolcraft County, MI R+28
- Clay County, WV R+63
- Thomas County, KS R+67
- San Miguel County, CO D+35
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Sources and methodology
Precinct-level voting records used to fit the model come from North Dakota 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.