Oak Park leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 45% of adults in Oak Park typically vote, below the U.S. average of about 62%. Among adults in Oak Park, ~29% vote Democratic, ~16% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.
How Oak Park compares
Among neighborhoods within 5 miles, Oak Park leans more Democratic than 7 of 34 neighbors.
Oak Park runs about 9 points more Democratic than California as a whole.
Politics vary noticeably by block within Oak Park. The southeast side is the most Democratic-leaning (D+42) and the north side is the least Democratic-leaning (D+24), a spread of about 18 points.
Why Oak Park leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Oak Park. The lean here lands roughly where demographic data alone would predict.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Oak Park, San Diego, CA sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Oak Park looks the way it does
Crowded housing lines up with lower turnout. About 8% of homes in Oak Park have more than one occupant per room, above 88% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Darnall, San Diego, CA D+31
- Ridgeview-Webster, San Diego, CA D+37
- El Cerritos, San Diego, CA D+48
- Emerald Hills, San Diego, CA D+45
- City Heights East, San Diego, CA D+31
- Encanto, San Diego, CA D+29
- Chollas View, San Diego, CA D+37
- Talmadge, San Diego, CA D+48
- Rolando, San Diego, CA D+42
- City Heights West, San Diego, CA D+41
Neighborhoods with Similar Populations
- Mount Washington, Cincinnati, OH D+13
- Original Daly City, Daly City, CA D+40
- Cheswolde, Baltimore, MD D+9
- Allison Hill, Harrisburg, PA D+63
- Meadow Point, Wesley Chapel, FL R+5
- Clear Lake, Houston, TX R+8
- Far Southwest, Fort Worth, TX D+10
- Dellview Area, San Antonio, TX D+24
- Martha Lake, Lynnwood, WA D+24
- Upper Eastside, Miami, FL D+25
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.