Latham leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 71% of adults in Latham typically vote, above the U.S. average of about 62%. Among adults in Latham, ~33% vote Democratic, ~38% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Latham compares
Among cities within 25 miles, Latham leans more Republican than 6 of 30 neighbors.
Latham runs about 22 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Latham is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Latham. The southeast side is the most Republican-leaning (R+18) and the east side is the least Republican-leaning (R+8), a spread of about 10 points.
Why Latham 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 Latham, not a ranked or complete list of what matters most.
Latham votes against the grain of Oregon. Oregon leans Democratic overall, while Latham runs about 22 points more Republican.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Latham, OR sits in the top quarter nationally on this measure.
Why turnout in Latham looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Latham have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cottage Grove, OR R+8
- Walker, OR R+13
- Curtin, OR R+30
- Rogue Elk, OR R+21
- Walden, OR R+29
- Thurston, OR R+23
- Saginaw, OR R+11
- Lorane, OR R+18
- Creswell, OR R+8
- London, OR R+24
Cities with Similar Populations
- Horton, KY R+62
- Swan Lake, GA R+4
- Farmersburg, IA R+40
- Farmers, KY R+45
- Scranton, ND R+72
- Seco, KY R+70
- Haynes, AR R+14
- New Rome, WI R+30
- North Russell, NY R+40
- West Charlton, NY R+12
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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.