Paso Robles leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 65% of adults in Paso Robles typically vote, near the U.S. average of about 62%. Among adults in Paso Robles, ~22% vote Democratic, ~43% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Paso Robles compares
Among cities within 25 miles, Paso Robles leans more Republican than 15 of 22 neighbors.
Paso Robles runs about 52 points more Republican than California as a whole. California leans Democratic overall, while Paso Robles is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Paso Robles. The east side is the most Republican-leaning (R+43) and the south side is the least Republican-leaning (R+14), a spread of about 28 points.
Why Paso Robles 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 Paso Robles, not a ranked or complete list of what matters most.
Paso Robles votes against the grain of California. California leans Democratic overall, while Paso Robles runs about 52 points more Republican.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Paso Robles, CA sits in the bottom quarter nationally on this measure.
Why turnout in Paso Robles looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Paso Robles is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wellsona, CA R+38
- El Paso de Robles, CA R+2
- San Miguel, CA R+17
- Templeton, CA R+18
- San Lawrence Terrace, CA R+48
- Klau, CA R+19
- Whitley Gardens, CA R+50
- Atascadero, CA R+7
- Bradley, CA R+36
- Creston, CA R+35
Cities with Similar Populations
- Forest, MS D+7
- Grayson, KY R+58
- Humboldt, TN R+15
- Junction City, OR R+11
- Nevada, MO R+46
- La Riviera, CA D+30
- Fox Lake, IL R+11
- Steger, IL D+30
- Rochester, IN R+46
- Waterford, NY R+4
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.