58103 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 58% of adults in 58103 typically vote, near the U.S. average of about 62%. Among adults in 58103, ~32% vote Democratic, ~26% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 58103 compares
Among zip codes within 15 miles, 58103 leans more Democratic than 13 of 15 neighbors.
58103 runs about 46 points more Democratic than North Dakota as a whole. North Dakota leans Republican overall, while 58103 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 58103. The northeast side is the most Democratic-leaning (D+19) and the south side is the least Democratic-leaning (Even), a spread of about 18 points.
Why 58103 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 58103, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 58103 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 44% of adults in 58103 have never been married, above 91% of zip codes. 58103 runs against the grain of North Dakota, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 58103, ND sits in the top tenth nationally on this measure.
Why turnout in 58103 looks the way it does
Renters vote less often than owners. About 54% of households in 58103 rent, about 29 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.