Wine Country metros where suburban growth reshapes a once-rural electorate
Sonoma County's blend of agricultural roots and Bay Area commuter spillover has steadily shifted its voter composition, with registration margins narrowing in some precincts even as the area trends reliably blue at the countywide level.
| Group | Local | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 66.3% | 57.4% |
▶Hispanic / Latino(19) | 24.1% | 19.3% |
▶Asian(6) | 3.9% | 6.0% |
Multiracial / Other | 3.0% | 4.0% |
▶Black / African American(12) | 1.5% | 12.2% |
▶Native American / Alaska Native(3) | 1.2% | 0.9% |
▶Middle Eastern / North African(10) | 0.8% | 0.9% |
▶Native Hawaiian / Pacific Islander(6) | 0.1% | 0.2% |
Catholic-Evangelical edge: +45.3pp (vs national 4.5pp). A strongly Catholic-leaning religious profile, which nationally correlates with Democratic-leaning urban and suburban communities.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 23.7% | 64.5% | — | — | |
| 5.7% | 15.5% | — | — | |
| 5.4% | 14.7% | — | — | |
| 1.6% | 4.2% | — | — | |
LDS (Mormon) | 1.4% | 3.9% | — | — |
| 0.4% | 1.0% | — | — | |
Non-religiousPopulation | 63.3% | — | — | — |
Who lives in the Santa Rosa-Petaluma, CA metro area? 1,905,648 residents across 4 counties.
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| President vs Senate | D+46.2 | D+44.0 | 2.3pp |