Newport Beach leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 77% of adults in Newport Beach typically vote, above the U.S. average of about 62%. Among adults in Newport Beach, ~34% vote Democratic, ~43% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Newport Beach compares
Among cities within 25 miles, Newport Beach leans more Republican than 59 of 65 neighbors.
Newport Beach runs about 32 points more Republican than California as a whole. California leans Democratic overall, while Newport Beach is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Newport Beach. The north side is the most Republican-leaning (R+18) and the northeast side is the least Republican-leaning (R+6), a spread of about 12 points.
Why Newport Beach 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 Beach, not a ranked or complete list of what matters most.
Newport Beach votes Republican even though it is densely developed (about 88%, well above the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Newport Beach 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 Beach, 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 Beach looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Newport Beach 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Newport Beach have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Corona Del Mar, CA R+13
- Costa Mesa, CA D+8
- Newport Coast, CA R+10
- Fountain Valley, CA R+3
- Irvine, CA D+18
- Huntington Beach, CA R+4
- Santa Ana, CA D+24
- Tustin, CA D+14
- Top-of-the-World, CA D+5
- Laguna Beach, CA D+14
Cities with Similar Populations
- Reynoldsburg, OH D+27
- San Gabriel, CA D+19
- Levittown, PA R+2
- Novi, MI D+14
- Davenport, FL R+6
- Kirkland, WA D+45
- Stuart, FL R+23
- Howell, MI R+24
- Piscataway, NJ D+31
- Fountainebleau, FL R+30
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.