| Country | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| United States | 214,943 | 5,719 | 92,861 | 3,459 |
| State | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| California | 76,789 | 3,747 | 35,655 | 2,144 |
| Minnesota | 55,037 | 2,294 | 24,674 | 1,490 |
| Wisconsin | 40,985 | 1,758 | 16,174 | 1,094 |
| North Carolina | 8,786 | 963 | 3,502 | 503 |
| Michigan | 4,887 | 864 | 1,634 | 363 |
| Oklahoma | 3,215 | 633 | 1,089 | 275 |
| Alaska | 3,107 | 885 | 1,706 | 615 |
| Georgia | 3,061 | 687 | 907 | 270 |
| Colorado | 3,008 | 725 | 1,037 | 317 |
| Washington | 2,116 | 708 | 653 | 269 |
| Florida | 1,643 | 699 | 890 | 387 |
| Arkansas | 1,584 | 440 | 716 | 274 |
| Kansas | 1,474 | 303 | 661 | 216 |
| South Carolina | 1,097 | 345 | 314 | 160 |
| Missouri | 949 | 226 | 468 | 172 |
| Pennsylvania | 900 | 540 | 390 | 216 |
| Oregon | 799 | 284 | 249 | 134 |
| Texas | 768 | 290 | 311 | 182 |
| Rhode Island | 666 | 292 | 301 | 152 |
| Massachusetts | 563 | 282 | 305 | 177 |
| Ohio | 543 | 306 | 164 | 108 |
| Illinois | 415 | 215 | 118 | 71 |
| Utah | 315 | 146 | 174 | 118 |
| Iowa | 299 | 193 | 135 | 125 |
| Indiana | 237 | 214 | 171 | 211 |
| Virginia | 235 | 204 | 48 | 73 |
| Arizona | 234 | 222 | 31 | 38 |
| Alabama | 208 | 205 | 67 | 72 |
| Tennessee | 208 | 99 | 64 | 43 |
| New York | 191 | 115 | 56 | 65 |
| Montana | 92 | 143 | 9 | 19 |
| Kentucky | 86 | 107 | 47 | 60 |
| Louisiana | 67 | 87 | 9 | 14 |
| Nevada | 59 | 56 | 17 | 25 |
| District of Columbia | 54 | 77 | 45 | 78 |
| South Dakota | 54 | 65 | 17 | 30 |
| Idaho | 42 | 50 | (B) | - |
| Nebraska | 37 | 47 | 12 | 17 |
| Wyoming | 30 | 45 | 30 | 45 |
| Hawaii | 23 | 28 | 7 | 12 |
| New Mexico | 21 | 32 | (B) | - |
| New Jersey | 15 | 17 | (B) | - |
| North Dakota | 11 | 17 | (B) | - |
| Connecticut | 9 | 15 | (B) | - |
| New Hampshire | 9 | 12 | 4 | 5 |
| Mississippi | 8 | 8 | (B) | - |
| Maryland | 7 | 15 | (B) | - |
| County | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Ramsey County [MN] | 28,786 | 1,395 | 14,014 | 982 |
| Fresno County [CA] | 24,576 | 1,654 | 10,918 | 1,047 |
| Sacramento County [CA] | 22,902 | 2,402 | 10,789 | 1,270 |
| Hennepin County [MN] | 14,624 | 1,346 | 6,961 | 868 |
| Milwaukee County [WI] | 10,318 | 877 | 3,892 | 585 |
| San Joaquin County [CA] | 6,620 | 1,123 | 3,439 | 655 |
| Dane County [WI] | 3,629 | 651 | 1,346 | 514 |
| Anchorage Municipality [AK] | 3,031 | 889 | 1,687 | 617 |
| Orange County [CA] | 1,469 | 605 | 609 | 235 |
| San Diego County [CA] | 1,416 | 435 | 516 | 222 |
| Oakland County [MI] | 1,267 | 568 | 424 | 181 |
| Mecklenburg County [NC] | 1,216 | 456 | 249 | 166 |
| Macomb County [MI] | 1,209 | 390 | 466 | 215 |
| Riverside County [CA] | 1,148 | 421 | 545 | 250 |
| Los Angeles County [CA] | 1,140 | 392 | 393 | 182 |
| Dakota County [MN] | 988 | 382 | 313 | 140 |
| King County [WA] | 842 | 493 | 384 | 227 |
| Snohomish County [WA] | 797 | 373 | 196 | 121 |
| Gwinnett County [GA] | 703 | 443 | 65 | 60 |
| Lancaster County [PA] | 587 | 458 | 250 | 178 |
| Alameda County [CA] | 552 | 381 | 269 | 239 |
| Multnomah County [OR] | 510 | 245 | 182 | 131 |
| Hillsborough County [FL] | 480 | 503 | 150 | 165 |
| San Bernardino County [CA] | 439 | 263 | 198 | 174 |
| Santa Barbara County [CA] | 431 | 230 | 159 | 120 |
| Yolo County [CA] | 424 | 255 | 141 | 89 |
| Wayne County [MI] | 392 | 212 | 158 | 118 |
| Stanislaus County [CA] | 356 | 185 | 205 | 157 |
| Pinellas County [FL] | 346 | 235 | 100 | 78 |
| Solano County [CA] | 332 | 286 | 124 | 142 |
| Providence County [RI] | 295 | 155 | 170 | 123 |
| Oklahoma County [OK] | 291 | 347 | (B) | - |
| Santa Clara County [CA] | 277 | 144 | 99 | 79 |
| Worcester County [MA] | 248 | 162 | 166 | 93 |
| Tarrant County [TX] | 237 | 235 | 143 | 151 |
| Denver County [CO] | 226 | 256 | 82 | 117 |
| El Paso County [CO] | 214 | 192 | 76 | 89 |
| Washington County [OR] | 198 | 195 | 40 | 50 |
| Kern County [CA] | 179 | 173 | 96 | 105 |
| San Mateo County [CA] | 176 | 183 | 95 | 113 |
| DeKalb County [GA] | 171 | 176 | 31 | 45 |
| Marion County [IN] | 171 | 211 | 171 | 211 |
| Polk County [IA] | 169 | 153 | 46 | 55 |
| Prince William County [VA] | 168 | 188 | (B) | - |
| Placer County [CA] | 166 | 127 | 63 | 70 |
| Philadelphia County [PA] | 163 | 232 | 42 | 60 |
| San Francisco County [CA] | 158 | 109 | 37 | 42 |
| Middlesex County [MA] | 150 | 134 | 75 | 106 |
| Wake County [NC] | 124 | 122 | 37 | 58 |
| Contra Costa County [CA] | 121 | 143 | 43 | 64 |
| Monterey County [CA] | 119 | 119 | 43 | 62 |
| Will County [IL] | 118 | 141 | 12 | 22 |
| Kane County [IL] | 113 | 144 | 52 | 60 |
| Johnson County [KS] | 110 | 102 | (B) | - |
| Ventura County [CA] | 97 | 108 | 67 | 81 |
| Sonoma County [CA] | 96 | 88 | 66 | 82 |
| Plymouth County [MA] | 96 | 113 | 8 | 12 |
| Washtenaw County [MI] | 96 | 86 | (B) | - |
| Rockland County [NY] | 96 | 87 | 43 | 62 |
| Cobb County [GA] | 95 | 93 | 6 | 15 |
| Franklin County [OH] | 91 | 113 | (B) | - |
| Pima County [AZ] | 88 | 120 | 10 | 16 |
| Jefferson County [KY] | 86 | 107 | 47 | 60 |
| Bexar County [TX] | 85 | 75 | 43 | 68 |
| Pierce County [WA] | 79 | 90 | 1 | 4 |
| Fulton County [GA] | 76 | 119 | 40 | 64 |
| DuPage County [IL] | 76 | 71 | 9 | 13 |
| Arapahoe County [CO] | 74 | 78 | 6 | 10 |
| Guilford County [NC] | 74 | 77 | 67 | 73 |
| Shelby County [TN] | 68 | 64 | 24 | 30 |
| St. Louis County [MO] | 61 | 95 | 61 | 95 |
| Loudoun County [VA] | 59 | 76 | 48 | 73 |
| Cook County [IL] | 55 | 40 | 13 | 25 |
| District of Columbia [DC] | 54 | 77 | 45 | 78 |
| Onondaga County [NY] | 51 | 74 | 13 | 18 |
| Hampden County [MA] | 43 | 108 | 43 | 108 |
| Dallas County [TX] | 33 | 32 | 8 | 12 |
| Clark County [NV] | 31 | 36 | (B) | - |
| Travis County [TX] | 29 | 38 | (B) | - |
| Washoe County [NV] | 28 | 44 | 17 | 25 |
| Denton County [TX] | 27 | 43 | (B) | - |
| Honolulu County [HI] | 23 | 28 | 7 | 12 |
| Orange County [FL] | 21 | 32 | 10 | 16 |
| Bernalillo County [NM] | 21 | 32 | (B) | - |
| Clark County [WA] | 21 | 40 | 11 | 20 |
| Suffolk County [MA] | 19 | 26 | 13 | 23 |
| Westchester County [NY] | 19 | 25 | (B) | - |
| Duval County [FL] | 17 | 16 | 11 | 12 |
| Delaware County [PA] | 15 | 23 | (B) | - |
| Kings County [NY] | 13 | 20 | (B) | - |
| Palm Beach County [FL] | 10 | 19 | (B) | - |
| Collin County [TX] | 10 | 19 | (B) | - |
| Hartford County [CT] | 9 | 15 | (B) | - |
| Lake County [IL] | 9 | 17 | 7 | 12 |
| Jefferson Parish [LA] | 9 | 14 | 9 | 14 |
| Hillsborough County [NH] | 9 | 12 | 4 | 5 |
| Maricopa County [AZ] | 8 | 15 | (B) | - |
| Bergen County [NJ] | 8 | 13 | (B) | - |
| Virginia Beach city [VA] | 8 | 13 | (B) | - |
| Bristol County [MA] | 7 | 13 | (B) | - |
| Essex County [NJ] | 7 | 11 | (B) | - |
| City / Metropolitan area / CBSA | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Minneapolis-St. Paul-Bloomington [MN-WI] | 52,519 | 2,239 | 23,860 | 1,451 |
| Fresno [CA] | 24,576 | 1,654 | 10,918 | 1,047 |
| Sacramento-Roseville-Arden-Arcade [CA] | 23,492 | 2,452 | 10,993 | 1,268 |
| Milwaukee-Waukesha-West Allis [WI] | 10,989 | 1,020 | 4,024 | 630 |
| Stockton-Lodi [CA] | 6,620 | 1,123 | 3,439 | 655 |
| Madison [WI] | 3,644 | 653 | 1,346 | 514 |
| Anchorage [AK] | 3,060 | 884 | 1,690 | 617 |
| Detroit-Warren-Dearborn [MI] | 2,966 | 684 | 1,064 | 297 |
| Los Angeles-Long Beach-Anaheim [CA] | 2,609 | 759 | 1,002 | 323 |
| Denver-Aurora-Lakewood [CO] | 2,458 | 603 | 840 | 279 |
| Atlanta-Sandy Springs-Roswell [GA] | 2,253 | 639 | 537 | 210 |
| Charlotte-Concord-Gastonia [NC-SC] | 2,078 | 677 | 582 | 287 |
| Tulsa [OK] | 1,916 | 522 | 820 | 257 |
| Seattle-Tacoma-Bellevue [WA] | 1,718 | 648 | 581 | 257 |
| Riverside-San Bernardino-Ontario [CA] | 1,587 | 495 | 743 | 311 |
| San Diego-Carlsbad [CA] | 1,416 | 435 | 516 | 222 |
| Kansas City [MO-KS] | 1,303 | 303 | 632 | 217 |
| San Francisco-Oakland-Hayward [CA] | 1,007 | 429 | 444 | 276 |
| Tampa-St. Petersburg-Clearwater [FL] | 826 | 586 | 250 | 187 |
| Portland-Vancouver-Hillsboro [OR-WA] | 783 | 281 | 260 | 135 |
| Lansing-East Lansing [MI] | 775 | 281 | 303 | 149 |
| Providence-Warwick [RI-MA] | 673 | 293 | 301 | 152 |
| Lancaster [PA] | 587 | 458 | 250 | 178 |
| Dallas-Fort Worth-Arlington [TX] | 524 | 260 | 224 | 160 |
| Grand Rapids-Wyoming [MI] | 511 | 315 | 90 | 77 |
| Chicago-Naperville-Elgin [IL-IN] | 495 | 268 | 124 | 100 |
| Santa Maria-Santa Barbara [CA] | 431 | 230 | 159 | 120 |
| Oklahoma City [OK] | 424 | 374 | 30 | 35 |
| Modesto [CA] | 356 | 185 | 205 | 157 |
| Vallejo-Fairfield [CA] | 332 | 286 | 124 | 142 |
| Akron [OH] | 304 | 248 | 98 | 87 |
| Spokane-Spokane Valley [WA] | 290 | 196 | 47 | 40 |
| Washington-Arlington-Alexandria [DC-VA-MD-WV] | 281 | 225 | 93 | 105 |
| San Jose-Sunnyvale-Santa Clara [CA] | 277 | 144 | 99 | 79 |
| Boston-Cambridge-Newton [MA-NH] | 265 | 192 | 96 | 107 |
| Worcester [MA-CT] | 248 | 162 | 166 | 93 |
| Orlando-Kissimmee-Sanford [FL] | 243 | 266 | 195 | 224 |
| Colorado Springs [CO] | 214 | 192 | 76 | 89 |
| Indianapolis-Carmel-Anderson [IN] | 201 | 212 | 171 | 211 |
| Greensboro-High Point [NC] | 196 | 196 | 189 | 193 |
| Bakersfield [CA] | 179 | 173 | 96 | 105 |
| Philadelphia-Camden-Wilmington [PA-NJ-DE-MD] | 178 | 233 | 42 | 60 |
| Des Moines-West Des Moines [IA] | 169 | 153 | 46 | 55 |
| Columbus [OH] | 157 | 161 | 39 | 52 |
| Raleigh [NC] | 146 | 126 | 37 | 58 |
| New York-Newark-Jersey City [NY] | 143 | 95 | 43 | 62 |
| Austin-Round Rock [TX] | 122 | 73 | 33 | 37 |
| Salinas [CA] | 119 | 119 | 43 | 62 |
| Oxnard-Thousand Oaks-Ventura [CA] | 97 | 108 | 67 | 81 |
| Ann Arbor [MI] | 96 | 86 | (B) | - |
| Santa Rosa [CA] | 96 | 88 | 66 | 82 |
| Memphis [TN-MS-AR] | 90 | 73 | 33 | 32 |
| Tucson [AZ] | 88 | 120 | 10 | 16 |
| Louisville Jefferson County [KY] | 86 | 107 | 47 | 60 |
| San Antonio-New Braunfels [TX] | 85 | 75 | 43 | 68 |
| St. Louis [MO-IL] | 70 | 97 | 61 | 95 |
| New Orleans-Metairie [LA] | 67 | 87 | 9 | 14 |
| Durham-Chapel Hill [NC] | 51 | 43 | (B) | - |
| Syracuse [NY] | 51 | 74 | 13 | 18 |
| Springfield [MA] | 43 | 108 | 43 | 108 |
| Omaha-Council Bluffs [NE-IA] | 37 | 47 | 12 | 17 |
| Phoenix-Mesa-Scottsdale [AZ] | 37 | 26 | (B) | - |
| Deltona-Daytona Beach-Ormond Beach [FL] | 36 | 57 | 36 | 57 |
| Las Vegas-Henderson-Paradise [NV] | 31 | 36 | (B) | - |
| Reno [NV] | 28 | 44 | 17 | 25 |
| Cincinnati [OH-KY-IN] | 27 | 40 | 27 | 40 |
| Urban Honolulu [HI] | 23 | 28 | 7 | 12 |
| Albuquerque [NM] | 21 | 32 | (B) | - |
| Jacksonville [FL] | 17 | 16 | 11 | 12 |
| Harrisburg-Carlisle [PA] | 12 | 20 | (B) | - |
| Miami-Fort Lauderdale-West Palm Beach [FL] | 10 | 19 | (B) | - |
| Hartford-West Hartford-East Hartford [CT] | 9 | 15 | (B) | - |
| Manchester-Nashua [NH] | 9 | 12 | 4 | 5 |
| Virginia Beach-Norfolk-Newport News [VA-NC] | 8 | 13 | (B) | - |