58104 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 79% of adults in 58104 typically vote, above the U.S. average of about 62%. Among adults in 58104, ~37% vote Democratic, ~42% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 58104 compares
Among zip codes within 15 miles, 58104 leans more Republican than 6 of 16 neighbors.
58104 runs about 31 points more Democratic than North Dakota as a whole.
Politics vary noticeably by block within 58104. The northeast side runs the most Democratic (D+9) and the south side runs the most Republican (R+20), a spread of about 29 points.
Why 58104 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 58104, not a ranked or complete list of what matters most.
58104 votes Republican even though it is densely developed (about 92%, far above the North Dakota average of 12%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; 58104, ND sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in 58104 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 58104 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 58104 have completed high school, above 94% 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.