58230 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 74% of adults in 58230 typically vote, above the U.S. average of about 62%. Among adults in 58230, ~24% vote Democratic, ~50% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 58230 compares
Among zip codes within 15 miles, 58230 leans more Republican than 1 of 4 neighbors.
Politically, 58230 sits close to the rest of North Dakota.
Why 58230 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 58230, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 58230 sits in the bottom quarter on density and about 95% of residents are non-Hispanic white, about 8 points above the North Dakota average of 87%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 58230, ND sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 58230 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 58230 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 65%, above 65% of zip codes. High high-school completion lines up with higher turnout, and about 96% of adults in 58230 have completed high school, above 84% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.