| Name | Status | State(s) | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2012-07-01 | |
|---|---|---|---|---|---|---|---|
| San Luis Obispo - Paso Robles - Arroyo Grande | Metropolitan Statistical Area | CA | 217,162 | 246,746 | 269,637 | 274,804 | |
| All Metropolitan Areas | 234,680,262 | 266,339,058 | 293,306,359 | 298,521,424 |
Source: US Census Bureau (web).
2013-05-10WWW.CITYPOPULATION.DE