| Country | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| United States | 166,826 | 2,493 | 35,250 | 1,340 |
| State | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Arizona | 83,792 | 1,745 | 20,980 | 955 |
| New Mexico | 64,040 | 1,763 | 11,579 | 790 |
| Utah | 8,193 | 562 | 1,288 | 239 |
| Colorado | 2,937 | 525 | 319 | 151 |
| California | 1,401 | 333 | 177 | 66 |
| Nevada | 1,022 | 425 | 208 | 96 |
| Texas | 1,021 | 297 | 156 | 94 |
| Kansas | 641 | 217 | 69 | 61 |
| Washington | 335 | 166 | 18 | 14 |
| Oregon | 326 | 186 | 79 | 68 |
| North Carolina | 243 | 95 | 52 | 43 |
| Georgia | 233 | 156 | 21 | 36 |
| New York | 219 | 142 | (B) | - |
| Oklahoma | 169 | 64 | 41 | 31 |
| Virginia | 165 | 84 | 15 | 19 |
| Wyoming | 162 | 121 | 18 | 24 |
| Montana | 159 | 77 | 12 | 14 |
| Idaho | 153 | 97 | 21 | 20 |
| Alaska | 133 | 99 | 16 | 28 |
| Indiana | 133 | 82 | 25 | 30 |
| Pennsylvania | 124 | 127 | 50 | 53 |
| Wisconsin | 113 | 72 | 10 | 11 |
| South Dakota | 110 | 58 | 10 | 10 |
| Michigan | 102 | 80 | 2 | 4 |
| North Dakota | 101 | 94 | 14 | 23 |
| Maryland | 97 | 82 | (B) | - |
| Alabama | 96 | 92 | (B) | - |
| Minnesota | 84 | 113 | 2 | 4 |
| Florida | 79 | 66 | 32 | 46 |
| Missouri | 65 | 65 | 9 | 12 |
| Ohio | 59 | 79 | (B) | - |
| Illinois | 53 | 61 | 12 | 18 |
| Massachusetts | 52 | 58 | (B) | - |
| Louisiana | 45 | 53 | (B) | - |
| Iowa | 39 | 33 | (B) | - |
| Tennessee | 32 | 35 | (B) | - |
| Arkansas | 20 | 30 | (B) | - |
| Maine | 17 | 17 | (B) | - |
| Hawaii | 13 | 26 | (B) | - |
| Kentucky | 13 | 15 | 6 | 12 |
| West Virginia | 11 | 15 | 3 | 4 |
| Rhode Island | 9 | 17 | (B) | - |
| South Carolina | 6 | 12 | 6 | 12 |
| Nebraska | 5 | 8 | (B) | - |
| Vermont | 4 | 9 | (B) | - |
| County | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| San Juan County [NM] | 25,896 | 1,019 | 3,141 | 281 |
| Navajo County [AZ] | 19,745 | 831 | 6,194 | 468 |
| Maricopa County [AZ] | 9,049 | 1,080 | 1,345 | 332 |
| Bernalillo County [NM] | 5,660 | 685 | 833 | 300 |
| Pima County [AZ] | 1,319 | 308 | 239 | 124 |
| Salt Lake County [UT] | 1,257 | 342 | 278 | 160 |
| Clark County [NV] | 891 | 418 | 178 | 95 |
| Denver County [CO] | 369 | 228 | 111 | 84 |
| Bexar County [TX] | 231 | 207 | 61 | 62 |
| San Bernardino County [CA] | 222 | 132 | 33 | 37 |
| Los Angeles County [CA] | 208 | 116 | 17 | 18 |
| Dallas County [TX] | 172 | 134 | 21 | 26 |
| Arapahoe County [CO] | 166 | 116 | (B) | - |
| San Diego County [CA] | 151 | 117 | (B) | - |
| Alameda County [CA] | 144 | 132 | 26 | 38 |
| King County [WA] | 126 | 129 | 6 | 10 |
| Multnomah County [OR] | 120 | 177 | (B) | - |
| Johnson County [KS] | 106 | 104 | (B) | - |
| Anchorage Municipality [AK] | 96 | 95 | 16 | 28 |
| Denton County [TX] | 86 | 112 | (B) | - |
| Fairfax County [VA] | 79 | 76 | (B) | - |
| Sacramento County [CA] | 77 | 55 | 10 | 14 |
| Ramsey County [MN] | 76 | 112 | (B) | - |
| Contra Costa County [CA] | 73 | 56 | 12 | 18 |
| Riverside County [CA] | 55 | 49 | 8 | 15 |
| Orange County [CA] | 54 | 58 | (B) | - |
| El Paso County [CO] | 50 | 54 | 27 | 44 |
| Washington County [OR] | 46 | 29 | 11 | 17 |
| Washoe County [NV] | 43 | 39 | (B) | - |
| Snohomish County [WA] | 43 | 46 | (B) | - |
| Pierce County [WA] | 42 | 31 | 10 | 16 |
| Tarrant County [TX] | 41 | 55 | 31 | 53 |
| Solano County [CA] | 40 | 52 | (B) | - |
| Worcester County [MA] | 40 | 57 | (B) | - |
| Kern County [CA] | 38 | 55 | (B) | - |
| Cook County [IL] | 38 | 58 | 12 | 18 |
| Prince George s County [MD] | 36 | 57 | (B) | - |
| Montgomery County [MD] | 33 | 52 | (B) | - |
| Milwaukee County [WI] | 32 | 31 | 6 | 8 |
| Santa Clara County [CA] | 28 | 26 | 11 | 16 |
| Collin County [TX] | 28 | 45 | (B) | - |
| Chester County [PA] | 25 | 39 | 25 | 39 |
| Fresno County [CA] | 20 | 31 | (B) | - |
| San Francisco County [CA] | 19 | 28 | (B) | - |
| Clark County [WA] | 17 | 25 | (B) | - |
| San Joaquin County [CA] | 15 | 26 | (B) | - |
| Sonoma County [CA] | 15 | 19 | (B) | - |
| Pinellas County [FL] | 14 | 24 | (B) | - |
| Davidson County [TN] | 14 | 22 | (B) | - |
| Yolo County [CA] | 13 | 22 | (B) | - |
| Honolulu County [HI] | 13 | 26 | (B) | - |
| Wayne County [MI] | 13 | 17 | (B) | - |
| Oklahoma County [OK] | 13 | 15 | 5 | 9 |
| Arlington County [VA] | 13 | 20 | (B) | - |
| Baltimore County [MD] | 12 | 22 | (B) | - |
| St. Louis County [MO] | 11 | 24 | (B) | - |
| DeKalb County [GA] | 10 | 17 | (B) | - |
| Anne Arundel County [MD] | 10 | 15 | (B) | - |
| Santa Barbara County [CA] | 9 | 16 | (B) | - |
| Stanislaus County [CA] | 9 | 18 | (B) | - |
| Providence County [RI] | 9 | 17 | (B) | - |
| Middlesex County [MA] | 8 | 14 | (B) | - |
| Lancaster County [PA] | 8 | 16 | (B) | - |
| San Mateo County [CA] | 7 | 11 | (B) | - |
| Marion County [IN] | 7 | 11 | 7 | 11 |
| Broward County [FL] | 6 | 11 | (B) | - |
| Kane County [IL] | 6 | 10 | (B) | - |
| New York County [NY] | 6 | 13 | (B) | - |
| Monterey County [CA] | 5 | 8 | (B) | - |
| Howard County [MD] | 5 | 10 | (B) | - |
| Hampden County [MA] | 2 | 3 | (B) | - |
| Nassau County [NY] | 2 | 4 | (B) | - |
| Monroe County [NY] | 1 | 5 | (B) | - |
| Allegheny County [PA] | 1 | 3 | (B) | - |
| City / Metropolitan area / CBSA | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Farmington [NM] | 25,896 | 1,019 | 3,141 | 281 |
| Show Low [AZ] | 19,745 | 831 | 6,194 | 468 |
| Phoenix-Mesa-Scottsdale [AZ] | 10,563 | 1,209 | 1,526 | 378 |
| Albuquerque [NM] | 8,514 | 737 | 1,383 | 321 |
| Salt Lake City [UT] | 1,320 | 342 | 286 | 161 |
| Tucson [AZ] | 1,319 | 308 | 239 | 124 |
| Denver-Aurora-Lakewood [CO] | 1,014 | 387 | 177 | 116 |
| Las Vegas-Henderson-Paradise [NV] | 891 | 418 | 178 | 95 |
| Dallas-Fort Worth-Arlington [TX] | 407 | 202 | 67 | 66 |
| Riverside-San Bernardino-Ontario [CA] | 277 | 136 | 41 | 39 |
| Los Angeles-Long Beach-Anaheim [CA] | 262 | 128 | 17 | 18 |
| San Francisco-Oakland-Hayward [CA] | 243 | 150 | 38 | 41 |
| San Antonio-New Braunfels [TX] | 235 | 206 | 61 | 62 |
| Portland-Vancouver-Hillsboro [OR-WA] | 212 | 177 | 28 | 34 |
| Seattle-Tacoma-Bellevue [WA] | 211 | 149 | 16 | 14 |
| Washington-Arlington-Alexandria [DC-VA-MD-WV] | 166 | 102 | (B) | - |
| San Diego-Carlsbad [CA] | 151 | 117 | (B) | - |
| Atlanta-Sandy Springs-Roswell [GA] | 127 | 125 | 21 | 36 |
| Kansas City [MO-KS] | 114 | 104 | (B) | - |
| Anchorage [AK] | 96 | 95 | 16 | 28 |
| Sacramento-Roseville-Arden-Arcade [CA] | 90 | 62 | 10 | 14 |
| Minneapolis-St. Paul-Bloomington [MN-WI] | 76 | 112 | (B) | - |
| Cleveland-Elyria [OH] | 59 | 79 | (B) | - |
| Oklahoma City [OK] | 56 | 36 | 9 | 12 |
| Colorado Springs [CO] | 52 | 54 | 27 | 44 |
| Chicago-Naperville-Elgin [IL-IN] | 46 | 59 | 12 | 18 |
| Reno [NV] | 43 | 39 | (B) | - |
| Vallejo-Fairfield [CA] | 40 | 52 | (B) | - |
| Worcester [MA-CT] | 40 | 57 | (B) | - |
| Bakersfield [CA] | 38 | 55 | (B) | - |
| Syracuse [NY] | 38 | 40 | (B) | - |
| Richmond [VA] | 33 | 27 | 9 | 16 |
| Milwaukee-Waukesha-West Allis [WI] | 32 | 31 | 6 | 8 |
| New Orleans-Metairie [LA] | 28 | 48 | (B) | - |
| San Jose-Sunnyvale-Santa Clara [CA] | 28 | 26 | 11 | 16 |
| Baltimore-Columbia-Towson [MD] | 27 | 27 | (B) | - |
| Philadelphia-Camden-Wilmington [PA-NJ-DE-MD] | 25 | 39 | 25 | 39 |
| Tampa-St. Petersburg-Clearwater [FL] | 24 | 32 | (B) | - |
| Tulsa [OK] | 24 | 33 | 13 | 17 |
| Fresno [CA] | 20 | 31 | (B) | - |
| St. Louis [MO-IL] | 18 | 27 | (B) | - |
| Charlotte-Concord-Gastonia [NC-SC] | 16 | 26 | 16 | 26 |
| Grand Rapids-Wyoming [MI] | 16 | 24 | (B) | - |
| Santa Rosa [CA] | 15 | 19 | (B) | - |
| Stockton-Lodi [CA] | 15 | 26 | (B) | - |
| Nashville-Davidson-Murfreesboro-Franklin [TN] | 14 | 22 | (B) | - |
| Detroit-Warren-Dearborn [MI] | 13 | 17 | (B) | - |
| Urban Honolulu [HI] | 13 | 26 | (B) | - |
| Austin-Round Rock [TX] | 11 | 30 | (B) | - |
| Modesto [CA] | 9 | 18 | (B) | - |
| Providence-Warwick [RI-MA] | 9 | 17 | (B) | - |
| Santa Maria-Santa Barbara [CA] | 9 | 16 | (B) | - |
| Boston-Cambridge-Newton [MA-NH] | 8 | 14 | (B) | - |
| Lancaster [PA] | 8 | 16 | (B) | - |
| New York-Newark-Jersey City [NY] | 8 | 14 | (B) | - |
| Virginia Beach-Norfolk-Newport News [VA-NC] | 8 | 13 | 6 | 11 |
| Durham-Chapel Hill [NC] | 7 | 15 | 7 | 15 |
| Indianapolis-Carmel-Anderson [IN] | 7 | 11 | 7 | 11 |
| Miami-Fort Lauderdale-West Palm Beach [FL] | 6 | 11 | (B) | - |
| Salinas [CA] | 5 | 8 | (B) | - |
| Houston-The Woodlands-Sugar Land [TX] | 4 | 7 | (B) | - |
| Spokane-Spokane Valley [WA] | 3 | 5 | 2 | 3 |
| Portland-South Portland [ME] | 2 | 4 | (B) | - |
| Springfield [MA] | 2 | 3 | (B) | - |
| Pittsburgh [PA] | 1 | 3 | (B) | - |
| Rochester [NY] | 1 | 5 | (B) | - |