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

Otis is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.

 
Otis, OR block-group political-lean map
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About 79% of adults in Otis typically vote, above the U.S. average of about 62%. Among adults in Otis, ~39% vote Democratic, ~40% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.

Otis, OR block-group voter-turnout map
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How Otis compares

Among cities within 25 miles, Otis sits roughly in the middle of the political spectrum, with 15 neighbors leaning further in the place's direction and 17 leaning the other way.

Otis runs about 15 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Otis sits closer to the political middle.

Politics vary noticeably by neighborhood within Otis. The southwest side runs the most Democratic (D+14) and the northeast side runs the most Republican (R+5), a spread of about 19 points.

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

Otis votes against the grain of Oregon. Oregon leans Democratic overall, while Otis runs about 15 points more Republican.

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Otis, OR sits in the top quarter nationally on this measure.

Why turnout in Otis looks the way it does

Homeowners vote more often than renters. About 91% of households in Otis own their home, about 17 points above the Oregon average of 74%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.