Valencia leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 66% of adults in Valencia typically vote, near the U.S. average of about 62%. Among adults in Valencia, ~36% vote Democratic, ~30% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Valencia compares
Among cities within 25 miles, Valencia leans more Democratic than 23 of 61 neighbors.
Valencia runs about 11 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Valencia. The west side runs the most Democratic (D+18) and the northeast side runs the most Republican (R+2), a spread of about 20 points.
Why Valencia 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 Valencia, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in Valencia live in densely developed areas, about 52 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Valencia sits in the top quarter (about 50%, above 94% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Valencia, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Valencia looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Valencia 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Valencia have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Stevenson Ranch, CA D+5
- Santa Clarita, CA Even
- Newhall, CA D+7
- Castaic, CA R+7
- Canyon Country, CA D+3
- Granada Hills, CA D+9
- Sylmar, CA D+24
- San Fernando, CA D+33
- Northridge, CA D+20
- Chatsworth, CA D+16
Cities with Similar Populations
- Fresno, TX D+55
- Argyle, TX R+38
- Franklin, NC R+45
- Chelmsford, MA D+17
- Grandview, MO D+37
- Candler, NC R+13
- Loma Linda, CA D+12
- Lemon Grove, CA D+22
- Angleton, TX R+31
- Bayonet Point, FL R+24
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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.