58203 is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 57% of adults in 58203 typically vote, near the U.S. average of about 62%. Among adults in 58203, ~29% vote Democratic, ~29% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 58203 compares
Among zip codes within 15 miles, 58203 sits roughly in the middle of the political spectrum, with 9 neighbors leaning further in the place's direction and 1 leaning the other way.
58203 runs about 37 points more Democratic than North Dakota as a whole. North Dakota leans Republican overall, while 58203 sits closer to the political middle.
Politics vary noticeably by block within 58203. The east side runs the most Democratic (D+12) and the northwest side runs the most Republican (R+44), a spread of about 56 points.
Why 58203 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 58203, not a ranked or complete list of what matters most.
58203 votes against the grain of North Dakota. North Dakota leans Republican overall, while 58203 runs about 37 points more Democratic.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 58203, ND sits in the top tenth 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 58203 looks the way it does
Renters vote less often than owners. About 52% of households in 58203 rent, about 27 points above the U.S. average of 25%. 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.