South Prairie, ND Political Map | Democrat & Republican Areas in South Prairie

By the BestNeighborhood data science team. Last updated May 2026.

South Prairie is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.

 

About 70% of adults in South Prairie typically vote, above the U.S. average of about 62%. Among adults in South Prairie, ~13% vote Democratic, ~57% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

How South Prairie compares

Among cities within 25 miles, South Prairie leans more Republican than 11 of 17 neighbors.

South Prairie runs about 28 points more Republican than North Dakota as a whole.

Why South Prairie 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 South Prairie, not a ranked or complete list of what matters most.

Rural areas with a high white share vote Republican. South Prairie sits in the bottom quarter on density and about 96% of residents are non-Hispanic white, about 9 points above the North Dakota average of 87%. A high family-household share predicts Republican voting, and about 83% of households in South Prairie are family households, above 94% of cities.

Population density, never-married share, and Republican lean

Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as South Prairie, ND does.

Why turnout in South Prairie looks the way it does

Areas with strong routine healthcare access turn out at higher rates. South Prairie 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 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in South Prairie own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in South Prairie have completed high school, above 87% of cities. Learn more about the findings and methodology on the political spectrum map.

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.