58528 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 49% of adults in 58528 typically vote, below the U.S. average of about 62%. Among adults in 58528, ~36% vote Democratic, ~13% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 58528 compares
58528 runs about 83 points more Democratic than North Dakota as a whole. North Dakota leans Republican overall, while 58528 is one of the few Democratic-leaning pockets.
Why 58528 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 58528, not a ranked or complete list of what matters most.
58528 votes against the grain of North Dakota. North Dakota leans Republican overall, while 58528 runs about 83 points more Democratic. A high never-married share predicts Democratic voting, and about 54% of adults in 58528 have never been married, above 97% of zip codes.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 58528, ND sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 58528 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 58528 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 45%, about 19 points below the North Dakota average of 64%. Renters vote less often than owners, and about 52% of households in 58528 rent, compared to around 24% in nearby zip codes. High food insecurity lines up with lower turnout, and about 35% of adults in 58528 report food insecurity, above 97% 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.