| Country | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| United States | 20 | 26 | (B) | - |
| State | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Illinois | 15 | 24 | (B) | - |
| Oklahoma | (D) | (D) | (B) | - |
| County | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Cook County [IL] | (D) | (D) | (B) | - |
| City / Metropolitan area / CBSA | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Chicago-Naperville-Elgin [IL-IN] | (D) | (D) | (B) | - |
| Tulsa [OK] | (D) | (D) | (B) | - |