58740 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 65% of adults in 58740 typically vote, near the U.S. average of about 62%. Among adults in 58740, ~12% vote Democratic, ~53% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 58740 compares
Among zip codes within 15 miles, 58740 leans more Republican than 2 of 4 neighbors.
58740 runs about 25 points more Republican than North Dakota as a whole.
Politics vary noticeably by block within 58740. The west side is the most Republican-leaning (R+65) and the southwest side is the least Republican-leaning (R+40), a spread of about 25 points.
Why 58740 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 58740, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in 58740 drive to work alone, about 10 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 58740 sits in the bottom quarter (about 15%, below 79% of zip codes).
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; 58740, ND sits in the top tenth nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in 58740 looks the way it does
Turnout in 58740 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.