Grant County is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 63% of adults in Grant County typically vote, near the U.S. average of about 62%. Among adults in Grant County, ~9% vote Democratic, ~54% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Grant County compares
Among counties within 50 miles, Grant County is the most Republican-leaning.
Grant County runs about 35 points more Republican than North Dakota as a whole.
Why Grant County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Grant County, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Grant County sits in the bottom quarter on density and about 92% of residents are non-Hispanic white, about 6 points above the North Dakota average of 87%.
Population density and Republican lean
Places with low population density tend to lean Republican; Grant County, ND sits in the bottom tenth nationally on this measure.
Why turnout in Grant County looks the way it does
Homeowners vote more often than renters. About 84% of households in Grant County own their home, about 9 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hettinger County, ND R+69
- Morton County, ND R+49
- Sioux County, ND D+54
- Adams County, ND R+62
- Oliver County, ND R+67
- Burleigh County, ND R+32
- Perkins County, SD R+68
- Corson County, SD D+38
- Stark County, ND R+53
- Mercer County, ND R+65
Counties with Similar Populations
- Miner County, SD R+52
- Cimarron County, OK R+68
- Griggs County, ND R+52
- Garfield County, WA R+58
- Renville County, ND R+65
- Dolores County, CO R+45
- Sanborn County, SD R+59
- Eddy County, ND R+46
- Webster County, GA R+16
- Hoonah-Angoon Census Area, AK Even
All Local Stats
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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.