58830 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 68% of adults in 58830 typically vote, above the U.S. average of about 62%. Among adults in 58830, ~9% vote Democratic, ~59% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 58830 compares
58830 sits in a sparsely populated area with few comparable zip codes nearby.
58830 runs about 38 points more Republican than North Dakota as a whole.
Politics vary noticeably by block within 58830. The west side is the most Republican-leaning (R+77) and the north side is the least Republican-leaning (R+64), a spread of about 13 points.
Why 58830 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 58830, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 58830, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 7 points below the North Dakota average of 26%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 58830, ND sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 58830 looks the way it does
Homeowners vote more often than renters. About 89% of households in 58830 own their home, about 9 points above the North Dakota average of 80%. 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.