| Country | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| United States | (D) | (D) | (B) | - |
| State | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| California | (D) | (D) | (B) | - |
| County | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Riverside County [CA] | (D) | (D) | (B) | - |
| Santa Barbara County [CA] | (D) | (D) | (B) | - |
| City / Metropolitan area / CBSA | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Riverside-San Bernardino-Ontario [CA] | (D) | (D) | (B) | - |
| Santa Maria-Santa Barbara [CA] | (D) | (D) | (B) | - |