Newport Coast leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 77% of adults in Newport Coast typically vote, above the U.S. average of about 62%. Among adults in Newport Coast, ~35% vote Democratic, ~42% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Newport Coast compares
Among cities within 25 miles, Newport Coast leans more Republican than 48 of 58 neighbors.
Newport Coast runs about 31 points more Republican than California as a whole. California leans Democratic overall, while Newport Coast is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Newport Coast. The northeast side is the most Republican-leaning (R+17) and the north side is the least Republican-leaning (R+4), a spread of about 13 points.
Why Newport Coast 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 Newport Coast, not a ranked or complete list of what matters most.
Newport Coast votes Republican even though it is densely developed (about 70%, modestly above the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 77% of households in Newport Coast are family households, above 82% of cities. Newport Coast runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Newport Coast, CA sits in the top tenth 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 Newport Coast looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Newport Coast 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Newport Coast have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Corona Del Mar, CA R+13
- Newport Beach, CA R+12
- Top-of-the-World, CA D+5
- Laguna Beach, CA D+14
- Aliso Viejo, CA D+11
- Laguna Woods, CA D+12
- Irvine, CA D+18
- Costa Mesa, CA D+8
- Laguna Hills, CA D+2
- Lake Forest, CA D+2
Cities with Similar Populations
- Milton-Freewater, OR R+32
- Ishpeming, MI R+12
- High Springs, FL R+39
- Hampshire, IL R+19
- Batesville, IN R+51
- Castle Pines North, CO R+8
- Clinton, NY D+5
- Playa Del Rey, CA D+44
- South Park Township, PA R+10
- Decorah, IA D+4
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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.