Nyssa, OR Political Map | Democrat & Republican Areas in Nyssa

By the BestNeighborhood data science team. Last updated May 2026.

Nyssa leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.

 

About 68% of adults in Nyssa typically vote, above the U.S. average of about 62%. Among adults in Nyssa, ~21% vote Democratic, ~47% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.

How Nyssa compares

Among cities within 25 miles, Nyssa leans more Republican than 2 of 20 neighbors.

Nyssa runs about 53 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Nyssa is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Nyssa. The northwest side is the most Republican-leaning (R+74) and the east side is the least Republican-leaning (R+24), a spread of about 50 points.

Why Nyssa 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 Nyssa, not a ranked or complete list of what matters most.

Nyssa votes Republican even though it is densely developed (about 33%, above 82% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here. Nyssa runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Nyssa, OR sits in the top tenth 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 Nyssa looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Nyssa is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.

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Sources and methodology

Precinct-level voting records used to fit the model come from Oregon Secretary of State, Elections Division, 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.