Inland Empire's rapid growth is remaking its electoral math
Once reliably Republican exurban terrain, the Inland Empire has shifted markedly as Latino population growth and in-migration from coastal California have compressed margins in federal and statewide contests over the past two decades.
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Riverside | 2.5M | R+1.3 | 451,782 | 463,677 | 940,405 | 13.8% |
| Riverside | 2.3M | R+1.3 | 451,782 | 463,677 | 940,405 | 13.8% |
| San Bernardino | 2.2M | R+2.1 | 362,114 | 378,416 | 761,714 | 11.2% |
| San Bernardino | 2.1M | R+2.1 | 362,114 | 378,416 | 761,714 | 11.2% |
| Riverside | 2.0M | R+1.3 | 451,782 | 463,677 | 940,405 | 13.8% |
| San Bernardino | 2.0M | R+2.1 | 362,114 | 378,416 | 761,714 | 11.2% |
| San Bernardino | 1.7M | R+2.1 | 362,114 | 378,416 | 761,714 | 11.2% |
| Riverside | 1.5M | R+1.3 | 451,782 | 463,677 | 940,405 | 13.8% |
| Group | Local | National |
|---|---|---|
▶Hispanic / Latino(18) | 47.1% | 19.3% |
▶White (Non-Hispanic)(13) | 36.3% | 57.4% |
▶Black / African American(12) | 7.4% | 12.2% |
▶Asian(6) | 6.1% | 6.0% |
Multiracial / Other | 1.9% | 4.0% |
▶Middle Eastern / North African(11) | 1.1% | 0.9% |
▶Native American / Alaska Native(2) | 1.1% | 0.9% |
▶Native Hawaiian / Pacific Islander(6) | 0.1% | 0.2% |
Catholic-Evangelical edge: +29.8pp (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 |
|---|---|---|---|---|
| 24.6% | 57.8% | — | — | |
| 10.0% | 23.5% | — | — | |
| 5.7% | 13.4% | — | — | |
LDS (Mormon) | 2.3% | 5.4% | — | — |
| 1.4% | 3.3% | — | — | |
| 0.6% | 1.5% | — | — | |
| 0.2% | 0.5% | — | — | |
Non-religiousPopulation | 57.4% | — | — | — |
Who lives in the Riverside-San Bernardino-Ontario, CA metro area? 16,384,110 residents across 8 counties.
20% of adults hold a bachelor's degree — 13pp below the national average. Places with similar education levels vote R+15 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 | R+1.7 | R+3.6 | 1.9pp |