Silicon Valley's core, where tech-sector density shapes every ballot
Home to roughly 2 million residents, this metro posts among the nation's highest concentrations of science and engineering workers, a demographic that has shifted the area's margins leftward by double digits over the past two decades.
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Santa Clara | 1.9M | D+40.0 | 510,744 | 210,924 | 750,433 | 24.1% |
| Santa Clara | 1.9M | D+40.0 | 510,744 | 210,924 | 750,433 | 24.1% |
| Santa Clara | 1.7M | D+40.0 | 510,744 | 210,924 | 750,433 | 24.1% |
| Santa Clara | 1.7M | D+40.0 | 510,744 | 210,924 | 750,433 | 24.1% |
| San Benito | 67K | D+12.6 | 15,179 | 11,702 | 27,649 | 0.9% |
| San Benito | 58K | D+12.6 | 15,179 | 11,702 | 27,649 | 0.9% |
| San Benito | 55K | D+12.6 | 15,179 | 11,702 | 27,649 | 0.9% |
| San Benito | 53K | D+12.6 | 15,179 | 11,702 | 27,649 | 0.9% |
| Group | Local | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 35.5% | 57.4% |
▶Asian(6) | 32.0% | 6.0% |
▶Hispanic / Latino(19) | 26.2% | 19.3% |
Multiracial / Other | 3.0% | 4.0% |
▶Black / African American(14) | 2.5% | 12.2% |
▶Middle Eastern / North African(11) | 2.3% | 0.9% |
▶Native American / Alaska Native(2) | 0.7% | 0.9% |
▶Native Hawaiian / Pacific Islander(6) | 0.1% | 0.2% |
Catholic-Evangelical edge: +36.0pp (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 |
|---|---|---|---|---|
| 27.6% | 58.5% | — | — | |
| 8.8% | 18.6% | — | — | |
| 8.5% | 18.0% | — | — | |
LDS (Mormon) | 1.4% | 3.0% | — | — |
| 1.4% | 2.9% | — | — | |
| 0.6% | 1.3% | — | — | |
| 0.3% | 0.6% | — | — | |
Non-religiousPopulation | 52.8% | — | — | — |
Who lives in the San Jose-Sunnyvale-Santa Clara, CA metro area? 7,432,393 residents across 8 counties.
47% of adults hold a bachelor's degree — 14pp above the national average. Places with similar education levels vote D+16 on average nationally.
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+39.0 | D+36.9 | 2.0pp |