Johnson City leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 64% of adults in Johnson City typically vote, near the U.S. average of about 62%. Among adults in Johnson City, ~35% vote Democratic, ~29% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Johnson City compares
Among cities within 25 miles, Johnson City leans more Democratic than 53 of 91 neighbors.
Johnson City runs about 6 points more Republican than Oregon as a whole.
Why Johnson City 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 Johnson City, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Johnson City live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 31% of adults in Johnson City have never been married, above 76% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Johnson City, OR sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Johnson City looks the way it does
Turnout in Johnson City 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 Cities
- Oatfield, OR D+24
- Gladstone, OR D+17
- Clackamas, OR D+18
- Oak Grove, OR D+37
- Happy Valley, OR D+20
- Marylhurst, OR D+34
- Milwaukie, OR D+39
- West Linn, OR D+33
- Oregon City, OR Even
- Damascus, OR R+6
Cities with Similar Populations
- Wooton, KY R+74
- McCool, MS R+37
- Bailey, MI R+43
- Milo, IA R+47
- Ordway, CO R+49
- Pone, TX R+61
- Leeds, UT R+68
- Tumbling Shoals, AR R+67
- Beulah, CO R+26
- Keewatin, MN R+18
All Local Stats
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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.