California megapolitan areas
| California Megalopolis | |
|---|---|
| Megaregion | |
Los Angeles
|
|
 San Francisco |
|
 San Diego |
|
| Country |
United States |
| State(s) |
California Nevada Baja California |
| Population | 28,888,491 |
United States
Mexico
California's major urban areas normally are thought of as two large megalopoleis: one in Northern California and one in Southern California, separated from each other by approximately 382 miles or 615 km (the distance from Los Angeles to San Francisco), with sparsely inhabited (relatively) Central Coast, Central Valley, and Transverse Ranges in between. Other ideas conceive of a single megalopolis encompassing both North and South, or a division of Coastal California vs. Inland California. These regional concepts usually are based on geographic, cultural, political, and environmental differences, rather than transportation and infrastructure connectivity and boundaries.
Futurists Herman Kahn and Anthony Wiener coined the name SanSan as an allusion to San Diego and San Francisco (along with BosWash and Chipitts) in The Year 2000 for a California megalopolis along the coast. The coastal emphasis does not conform to subsequent growth patterns extending to Metropolitan Sacramento and the Inland Empire.
Beyond Megalopolis, by Virginia Tech's Metropolitan Institute, defines two megapolitan areas which extend from California into Nevada: NorCal, which includes the Reno, Nevada area, and the Southland which encompasses Greater Los Angeles, the Inland Empire, and San Diego and includes Metropolitan Las Vegas.
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