58405 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 29% of adults in 58405 typically vote, below the U.S. average of about 62%. Among adults in 58405, ~14% vote Democratic, ~15% Republican, and ~71% don't vote. The map below shows estimated turnout by block group.
How 58405 compares
Among zip codes within 15 miles, 58405 is the least Republican-leaning.
58405 runs about 30 points more Democratic than North Dakota as a whole.
Why 58405 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 58405, not a ranked or complete list of what matters most.
58405 votes Republican even though it is densely developed (more than 99%, far above the North Dakota average of 12%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 58405, ND sits below the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 58405 looks the way it does
Renters vote less often than owners. About 82% of households in 58405 rent, about 57 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 97% of adults in 58405 have completed high school, above 90% 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.