Pembina County is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 81% of adults in Pembina County typically vote, above the U.S. average of about 62%. Among adults in Pembina County, ~20% vote Democratic, ~61% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How Pembina County compares
Among counties within 50 miles, Pembina County is the most Republican-leaning.
Pembina County runs about 15 points more Republican than North Dakota as a whole.
Politics vary noticeably by city within Pembina County. The north side is the most Republican-leaning (R+64) and the southeast side is the least Republican-leaning (R+43), a spread of about 21 points.
Why Pembina County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Pembina County. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Pembina County, ND sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Pembina County looks the way it does
Turnout in Pembina County 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 Counties
- Walsh County, ND R+46
- Kittson County, MN R+34
- Cavalier County, ND R+48
- Marshall County, MN R+53
- Grand Forks County, ND R+8
- Nelson County, ND R+43
- Ramsey County, ND R+30
- Towner County, ND R+45
- Pennington County, MN R+32
- Polk County, MN R+31
Counties with Similar Populations
- Weston County, WY R+68
- Huerfano County, CO R+7
- Wabaunsee County, KS R+53
- Southeast Fairbanks Census Area, AK R+39
- Monroe County, AR R+33
- Schuyler County, IL R+44
- Bailey County, TX R+49
- Broadwater County, MT R+54
- Thurston County, NE D+23
- Charles City County, VA D+8
All Local Stats
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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.