Oceanside is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About more than 99% of adults in Oceanside typically vote, above the U.S. average of about 62%. Among adults in Oceanside, ~53% vote Democratic, ~50% Republican, and ~-3% don't vote. The map below shows estimated turnout by block group.
How Oceanside compares
Among cities within 25 miles, Oceanside sits roughly in the middle of the political spectrum, with 21 neighbors leaning further in the place's direction and 6 leaning the other way.
Oceanside runs about 16 points more Republican than Washington as a whole.
Politics vary noticeably by neighborhood within Oceanside. The south side runs the most Democratic (D+18) and the north side runs the most Republican (R+4), a spread of about 22 points.
Why Oceanside leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Oceanside. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Oceanside, WA sits above the national average 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 Oceanside looks the way it does
Turnout in Oceanside 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 Cities
- Long Beach, WA Even
- Seaview, WA D+9
- Ocean Park, WA D+3
- Ilwaco, WA D+2
- Stringtown, WA R+18
- Chinook, WA R+18
- Oysterville, WA D+16
- Naselle, WA R+23
- Menlo, WA R+24
- Bay Center, WA D+4
Cities with Similar Populations
- Ritchie, TN R+78
- Manchester, WI R+54
- Manilla, IN R+59
- Silver Spring, NC R+11
- Schultz, MI R+37
- Mount George, AR R+71
- Rockport, OH R+68
- Stratford, NY R+50
- Toronto, KS R+64
- Seaton, MO R+57
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from Washington 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.