University Commons leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 77% of adults in University Commons typically vote, above the U.S. average of about 62%. Among adults in University Commons, ~42% vote Democratic, ~35% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How University Commons compares
University Commons runs about 10 points more Republican than California as a whole.
Politics vary noticeably by block within University Commons. The east side is the most Democratic-leaning (D+19) and the northwest side is the least Democratic-leaning (D+4), a spread of about 15 points.
Why University Commons leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for University Commons, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 57% of adults in University Commons hold a bachelor's degree, about 28 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; University Commons, San Marcos, CA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in University Commons looks the way it does
Turnout in University Commons 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 Neighborhoods
- Vineyard, Escondido, CA D+9
- Lake, Oceanside, CA D+3
- Felicita, Escondido, CA D+8
- Central Escondido, Escondido, CA D+18
- North Broadway, Escondido, CA Even
- Downtown Carlsbad, Carlsbad, CA D+24
- Peacock, Oceanside, CA D+10
- Black Mountain Ranch, San Diego, CA D+16
- Fire Mountain, Oceanside, CA D+19
- Ivey Ranch-Rancho del Oro, Oceanside, CA D+13
Neighborhoods with Similar Populations
- Wildwood, Charlotte, NC D+51
- Boulevard Bluffs, Everett, WA D+17
- Pasadena Bear Creek Estates, St. Petersburg, FL Even
- Selby-on-the-Bay, Mayo, MD R+13
- Darnestown, Gaithersburg, MD D+25
- Fairmount, Eugene, OR D+73
- Legacy Place, Alafaya, FL D+13
- Pepperidge, Augusta, GA D+84
- Oldtown, Baltimore, MD D+77
- South Poplar, Allentown, PA D+17
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.