Covina leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 57% of adults in Covina typically vote, near the U.S. average of about 62%. Among adults in Covina, ~32% vote Democratic, ~24% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Covina compares
Among cities within 25 miles, Covina leans more Democratic than 49 of 114 neighbors.
Covina runs about 6 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Covina. The northwest side is the most Democratic-leaning (D+21) and the southeast side is the least Democratic-leaning (D+3), a spread of about 18 points.
Why Covina 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 Covina, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Covina live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 39% of adults in Covina have never been married, above 92% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Covina, CA sits in the top tenth nationally on this measure.
Why turnout in Covina looks the way it does
Renters vote less often than owners. About 38% of households in Covina rent, about 13 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 8% of homes in Covina have more than one occupant per room, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Citrus, CA D+22
- Vincent, CA D+22
- Glendora, CA Even
- Azusa, CA D+22
- West Covina, CA D+20
- San Dimas, CA D+4
- Irwindale, CA D+24
- Walnut, CA D+10
- Valinda, CA D+24
- Baldwin Park, CA D+28
Cities with Similar Populations
- Warren, OH Even
- Haverhill, MA D+11
- Yorba Linda, CA R+15
- Hilliard, OH D+11
- Weatherford, TX R+59
- Dubuque, IA Even
- Portland, ME D+62
- Riverdale, GA D+77
- Eagan, MN D+23
- Bethesda, MD D+65
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.