Ideological Lean Ranking — San Mateo
Updated June 22, 2026
See how neighborhoods in San Mateo compare on ideological lean. Rankings are based on measured data aggregated across each neighborhood boundary. How ideological lean is measured →
Top Ideological Lean Neighborhoods — Ranked
Voting patterns and census indicators in Bay Meadows reflect a deeply liberal leaning that is slightly more pronounced than the San Mateo average, according to iHuus data.
Voting patterns and census indicators show a predominantly liberal political landscape that is very similar to the rest of San Mateo. According to iHuus data, residents will find a community aligned with the broader citywide political trends.
Voting patterns and census indicators show a very high concentration of liberal leaning residents, which is slightly above the San Mateo city average according to iHuus data.
Full San Mateo Ideological Lean Ranking
| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Bay Meadows | 9.8 | #1 | +0.1 ↑ |
| Central | 9.8 | #2 | +0.1 ↑ |
| East San Mateo | 9.8 | #3 | +0.1 ↑ |
| Sunnybrae | 9.8 | #4 | +0.1 ↑ |
| B-Delaware Strip | 9.8 | #5 | +0.1 ↑ |
| South Shoreview | 9.8 | #6 | +0.1 ↑ |
| Fiesta Gardens | 9.8 | #7 | +0.1 ↑ |
| Nineteenth Avenue | 9.8 | #8 | +0.1 ↑ |
| Central Business District | 9.8 | #9 | +0.1 ↑ |
| Hayward Park | 9.8 | #10 | +0.1 ↑ |
| North Shoreview | 9.8 | #11 | +0.1 ↑ |
| San Mateo Village | 9.8 | #12 | +0.1 ↑ |
| Westshore | 9.8 | #13 | +0.1 ↑ |
| Shoreline Park | 9.8 | #14 | +0.1 ↑ |
| Parkside | 9.8 | #15 | +0.1 ↑ |
| Northeast Hillsdale | 9.8 | #16 | +0.1 ↑ |
| Southeast Hillsdale | 9.7 | #17 | — |
| San Mateo Heights | 9.7 | #18 | — |
| North Central | 9.7 | #19 | — |
| Los Prados | 9.7 | #20 | — |
| Twenty-Fifth Ave | 9.7 | #21 | — |
| Aragon | 9.7 | #22 | — |
| Edgewater Isle | 9.7 | #23 | — |
| Lauriedale | 9.7 | #24 | — |
| Bridgepointe | 9.7 | #25 | — |
| Southwest Hillsdale | 9.7 | #26 | — |
| Mariners Island | 9.7 | #27 | — |
| Northwest Hillsdale | 9.6 | #28 | -0.1 ↓ |
| Foothill Terrace | 9.6 | #29 | -0.1 ↓ |
| Baywood | 9.6 | #30 | -0.1 ↓ |
| Country Club Heights | 9.6 | #31 | -0.1 ↓ |
| Laurelwood | 9.5 | #32 | -0.2 ↓ |
| Baywood Park | 9.5 | #33 | -0.2 ↓ |
| San Mateo Park | 9.5 | #34 | -0.2 ↓ |
| Baywood Knolls | 9.4 | #35 | -0.3 ↓ |
| College Heights | 9.3 | #36 | -0.4 ↓ |
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