Ukiah leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 65% of adults in Ukiah typically vote, near the U.S. average of about 62%. Among adults in Ukiah, ~38% vote Democratic, ~27% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Ukiah compares
Among cities within 25 miles, Ukiah leans more Democratic than 15 of 21 neighbors.
Politically, Ukiah sits close to the rest of California.
Politics vary noticeably by neighborhood within Ukiah. The west side is the most Democratic-leaning (D+26) and the northeast side is the least Democratic-leaning (D+6), a spread of about 20 points.
Why Ukiah 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 Ukiah, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 67% of residents in Ukiah live in densely developed areas, about 30 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in Ukiah have never been married, above 91% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Ukiah, CA 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 Ukiah looks the way it does
Turnout in Ukiah 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
- Calpella, CA D+17
- Talmage, CA D+11
- Vichy Springs, CA D+26
- Redwood Valley, CA R+4
- Witter Springs, CA R+7
- Hopland, CA D+11
- Boonville, CA D+35
- Old Hopland, CA D+12
- Potter Valley, CA Even
- Philo, CA D+46
Cities with Similar Populations
- Southgate, MI Even
- West Roxbury, MA D+40
- Walnut, CA D+10
- Reedley, CA Even
- Glenside, PA D+45
- Scarsdale, NY D+33
- Batavia, OH R+36
- Derby, KS R+29
- Salem, NH D+4
- Westfield, NJ D+27
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from California 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.