Niagara is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 64% of adults in Niagara typically vote, near the U.S. average of about 62%. Among adults in Niagara, ~15% vote Democratic, ~49% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Niagara compares
Among cities within 25 miles, Niagara is the most Republican-leaning.
Niagara runs about 16 points more Republican than North Dakota as a whole.
Why Niagara leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Niagara, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in Niagara live in densely developed areas, about 7 points below the North Dakota average of 12%.
Population density and Republican lean
Places with low population density tend to lean Republican; Niagara, ND sits in the bottom quarter nationally on this measure.
Why turnout in Niagara looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Niagara is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Niagara have completed high school, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Petersburg, ND R+42
- McCanna, ND R+51
- Larimore, ND R+52
- Dahlen, ND R+45
- Michigan City, ND R+42
- Michigan, ND R+43
- Forest River Colony, ND R+48
- Fordville, ND R+52
Cities with Similar Populations
- Marshall, OH R+65
- New Somerset, OH R+63
- Felt, OK R+86
- Crockett, KY R+68
- Crosby Beach, MN R+38
- Walton, IL R+30
- Peeltown, TX R+74
- Octa, MO R+73
- Frontier, ND R+14
- Slickford, KY R+76
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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.