| Country | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| United States | 155 | 66 | 40 | 27 |
| State | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| North Dakota | 145 | 66 | 40 | 27 |
| California | (D) | (D) | (B) | - |
| County | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| San Mateo County [CA] | (D) | (D) | (B) | - |
| City / Metropolitan area / CBSA | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| San Francisco-Oakland-Hayward [CA] | (D) | (D) | (B) | - |