| Country | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| United States | 94,220 | 4,413 | 56,650 | 3,282 |
| State | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Texas | 11,735 | 1,260 | 6,490 | 921 |
| New York | 9,015 | 1,213 | 5,750 | 956 |
| California | 7,165 | 1,102 | 3,925 | 720 |
| Virginia | 6,305 | 1,103 | 3,105 | 710 |
| Massachusetts | 5,415 | 1,033 | 2,375 | 558 |
| Pennsylvania | 4,720 | 909 | 3,610 | 832 |
| Maryland | 4,240 | 849 | 2,170 | 479 |
| Colorado | 3,615 | 831 | 2,095 | 649 |
| Georgia | 3,345 | 837 | 2,330 | 718 |
| Illinois | 3,135 | 819 | 1,885 | 485 |
| Michigan | 2,405 | 541 | 1,625 | 458 |
| Washington | 2,385 | 669 | 1,575 | 502 |
| North Carolina | 2,260 | 617 | 1,440 | 518 |
| Ohio | 2,130 | 688 | 1,640 | 589 |
| New Hampshire | 1,990 | 562 | 1,550 | 461 |
| Utah | 1,985 | 678 | 1,405 | 487 |
| Kentucky | 1,855 | 579 | 1,185 | 485 |
| Minnesota | 1,675 | 447 | 930 | 355 |
| Florida | 1,525 | 646 | 760 | 490 |
| Connecticut | 1,325 | 412 | 615 | 256 |
| Missouri | 1,290 | 411 | 685 | 297 |
| Tennessee | 1,185 | 466 | 930 | 420 |
| Nebraska | 1,110 | 463 | 715 | 378 |
| Arizona | 1,085 | 498 | 765 | 398 |
| Oregon | 1,045 | 492 | 885 | 468 |
| Nevada | 1,030 | 463 | 750 | 382 |
| Idaho | 890 | 433 | 715 | 402 |
| New Jersey | 805 | 269 | 380 | 165 |
| Wisconsin | 795 | 415 | 520 | 387 |
| Vermont | 790 | 340 | 570 | 238 |
| Iowa | 720 | 374 | 430 | 231 |
| Kansas | 685 | 263 | 240 | 142 |
| Rhode Island | 575 | 415 | 350 | 330 |
| Alabama | 555 | 274 | 225 | 173 |
| South Dakota | 480 | 295 | 370 | 215 |
| Louisiana | 340 | 187 | 185 | 118 |
| Arkansas | 320 | 167 | 205 | 113 |
| West Virginia | 305 | 154 | 165 | 115 |
| Alaska | 300 | 309 | 190 | 193 |
| South Carolina | 270 | 224 | 265 | 223 |
| North Dakota | 260 | 157 | 190 | 155 |
| Indiana | 245 | 176 | 160 | 110 |
| Oklahoma | 245 | 156 | 50 | 51 |
| New Mexico | 155 | 107 | 65 | 52 |
| Delaware | 115 | 105 | (D) | (D) |
| Mississippi | 110 | 83 | 80 | 91 |
| Hawaii | 100 | 77 | 30 | 33 |
| Wyoming | 90 | 88 | 55 | 57 |
| District of Columbia | 85 | 74 | (D) | (D) |
| Puerto Rico | 15 | 17 | 15 | 17 |
| Maine | (D) | (D) | (B) | - |
| Montana | (D) | (D) | (B) | - |
| County | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Queens County [NY] | 4,650 | 965 | 2,960 | 738 |
| Harris County [TX] | 3,125 | 653 | 1,720 | 420 |
| Fairfax County [VA] | 2,825 | 692 | 1,475 | 463 |
| Dallas County [TX] | 2,675 | 559 | 1,355 | 440 |
| Tarrant County [TX] | 2,490 | 740 | 1,770 | 669 |
| DeKalb County [GA] | 2,430 | 764 | 1,995 | 700 |
| Montgomery County [MD] | 2,120 | 629 | 735 | 266 |
| Middlesex County [MA] | 2,040 | 642 | 620 | 259 |
| King County [WA] | 1,945 | 665 | 1,430 | 509 |
| Salt Lake County [UT] | 1,815 | 668 | 1,280 | 480 |
| Los Angeles County [CA] | 1,770 | 583 | 1,020 | 425 |
| Cook County [IL] | 1,580 | 714 | 975 | 430 |
| Alameda County [CA] | 1,470 | 463 | 865 | 301 |
| Allegheny County [PA] | 1,415 | 498 | 1,100 | 477 |
| Onondaga County [NY] | 1,245 | 422 | 930 | 308 |
| Hillsborough County [NH] | 1,145 | 430 | 930 | 347 |
| Worcester County [MA] | 960 | 551 | 555 | 290 |
| Davidson County [TN] | 945 | 409 | 805 | 388 |
| Arapahoe County [CO] | 870 | 404 | 405 | 244 |
| Jefferson County [KY] | 850 | 421 | 600 | 382 |
| Wake County [NC] | 825 | 465 | 345 | 302 |
| Hampden County [MA] | 820 | 395 | 720 | 368 |
| Suffolk County [MA] | 805 | 341 | 135 | 139 |
| Ramsey County [MN] | 800 | 343 | 615 | 316 |
| Clark County [NV] | 780 | 423 | 585 | 358 |
| Maricopa County [AZ] | 770 | 443 | 525 | 332 |
| Baltimore County [MD] | 760 | 341 | 475 | 238 |
| Baltimore city [MD] | 750 | 340 | 595 | 293 |
| Monroe County [NY] | 725 | 465 | 685 | 446 |
| Erie County [NY] | 720 | 348 | 425 | 229 |
| DuPage County [IL] | 705 | 363 | 420 | 237 |
| Mecklenburg County [NC] | 685 | 357 | 605 | 338 |
| Denver County [CO] | 675 | 408 | 495 | 378 |
| Philadelphia County [PA] | 660 | 401 | 550 | 383 |
| Bexar County [TX] | 655 | 402 | 290 | 223 |
| Santa Clara County [CA] | 640 | 254 | 280 | 190 |
| Contra Costa County [CA] | 620 | 343 | 405 | 226 |
| Duval County [FL] | 620 | 534 | 460 | 473 |
| Providence County [RI] | 575 | 415 | 350 | 330 |
| Prince William County [VA] | 575 | 341 | 235 | 214 |
| Sacramento County [CA] | 570 | 305 | 320 | 185 |
| Denton County [TX] | 570 | 243 | 195 | 102 |
| Hartford County [CT] | 525 | 241 | 225 | 141 |
| Polk County [IA] | 495 | 327 | 350 | 216 |
| Multnomah County [OR] | 485 | 289 | 365 | 255 |
| Kings County [NY] | 460 | 250 | 340 | 204 |
| Guilford County [NC] | 460 | 273 | 360 | 229 |
| Travis County [TX] | 435 | 205 | 180 | 125 |
| Arlington County [VA] | 435 | 316 | 210 | 179 |
| Cuyahoga County [OH] | 420 | 300 | 295 | 224 |
| Washington County [OR] | 390 | 341 | 365 | 340 |
| Collin County [TX] | 385 | 294 | 215 | 185 |
| St. Louis County [MO] | 380 | 247 | 55 | 61 |
| Fairfield County [CT] | 365 | 259 | 260 | 215 |
| El Paso County [CO] | 340 | 389 | 300 | 362 |
| Franklin County [OH] | 335 | 242 | 265 | 233 |
| Pima County [AZ] | 315 | 194 | 240 | 165 |
| Sonoma County [CA] | 315 | 222 | 135 | 141 |
| Anchorage Municipality [AK] | 300 | 309 | 190 | 193 |
| Hamilton County [OH] | 295 | 338 | 255 | 297 |
| Essex County [MA] | 285 | 206 | 195 | 178 |
| San Mateo County [CA] | 275 | 160 | 105 | 86 |
| Bronx County [NY] | 270 | 211 | 220 | 193 |
| Loudoun County [VA] | 270 | 296 | 120 | 204 |
| Dane County [WI] | 270 | 227 | 230 | 221 |
| Milwaukee County [WI] | 265 | 335 | 255 | 334 |
| New Haven County [CT] | 255 | 204 | 110 | 85 |
| Prince George s County [MD] | 255 | 203 | 130 | 115 |
| Oakland County [MI] | 255 | 164 | 160 | 111 |
| New York County [NY] | 255 | 149 | 70 | 66 |
| Dakota County [MN] | 250 | 151 | 110 | 98 |
| Lancaster County [PA] | 250 | 194 | 205 | 165 |
| Fulton County [GA] | 240 | 181 | 50 | 54 |
| Orange County [CA] | 235 | 180 | 155 | 142 |
| Henrico County [VA] | 230 | 227 | 80 | 125 |
| Cobb County [GA] | 220 | 186 | 40 | 53 |
| Johnson County [KS] | 210 | 125 | 55 | 51 |
| Hennepin County [MN] | 205 | 120 | 100 | 89 |
| San Francisco County [CA] | 200 | 127 | 130 | 93 |
| Yolo County [CA] | 190 | 170 | 85 | 89 |
| Norfolk County [MA] | 190 | 120 | 15 | 29 |
| Washoe County [NV] | 180 | 137 | 135 | 117 |
| Hudson County [NJ] | 180 | 89 | 50 | 51 |
| Kane County [IL] | 165 | 153 | 65 | 93 |
| Nassau County [NY] | 145 | 130 | (B) | - |
| Delaware County [PA] | 145 | 113 | 35 | 38 |
| Wayne County [MI] | 140 | 104 | 45 | 61 |
| Camden County [NJ] | 140 | 137 | 105 | 120 |
| Union County [NJ] | 140 | 162 | 110 | 133 |
| Lake County [IL] | 135 | 116 | 85 | 83 |
| Westchester County [NY] | 135 | 88 | (B) | - |
| Anne Arundel County [MD] | 125 | 113 | 105 | 106 |
| Ventura County [CA] | 120 | 104 | 90 | 87 |
| Oklahoma County [OK] | 120 | 133 | (B) | - |
| Fort Bend County [TX] | 120 | 110 | (D) | (D) |
| Riverside County [CA] | 115 | 127 | 85 | 93 |
| New Castle County [DE] | 115 | 105 | (D) | (D) |
| Pinellas County [FL] | 115 | 160 | (D) | (D) |
| Gwinnett County [GA] | 115 | 116 | 80 | 93 |
| Monterey County [CA] | 105 | 94 | (D) | (D) |
| Honolulu County [HI] | 100 | 77 | 30 | 33 |
| Albany County [NY] | 95 | 108 | (B) | - |
| Montgomery County [PA] | 95 | 110 | 35 | 45 |
| Lee County [FL] | 90 | 138 | (D) | (D) |
| District of Columbia [DC] | 85 | 74 | (D) | (D) |
| Hillsborough County [FL] | 85 | 87 | 50 | 61 |
| Palm Beach County [FL] | 85 | 100 | (D) | (D) |
| Somerset County [NJ] | 85 | 114 | (D) | (D) |
| Clark County [WA] | 85 | 97 | (D) | (D) |
| Plymouth County [MA] | 80 | 72 | 35 | 39 |
| Bergen County [NJ] | 80 | 71 | (D) | (D) |
| Shelby County [TN] | 80 | 71 | (D) | (D) |
| Orange County [FL] | 75 | 67 | 45 | 42 |
| San Joaquin County [CA] | 70 | 114 | 70 | 114 |
| Howard County [MD] | 70 | 65 | 30 | 47 |
| Middlesex County [NJ] | 70 | 63 | (D) | (D) |
| Bernalillo County [NM] | 70 | 82 | (D) | (D) |
| San Diego County [CA] | 65 | 61 | (D) | (D) |
| Stanislaus County [CA] | 60 | 100 | (D) | (D) |
| San Bernardino County [CA] | 55 | 44 | (D) | (D) |
| Macomb County [MI] | 50 | 113 | 30 | 53 |
| Snohomish County [WA] | 45 | 71 | (D) | (D) |
| Richmond County [NY] | 40 | 51 | (D) | (D) |
| Solano County [CA] | 35 | 69 | (B) | - |
| Chester County [PA] | 35 | 35 | (D) | (D) |
| Bristol County [MA] | 25 | 31 | (D) | (D) |
| Atlantic County [NJ] | 25 | 102 | 4 | 27 |
| Placer County [CA] | 20 | 35 | 20 | 35 |
| Marion County [IN] | 20 | 49 | (D) | (D) |
| Morris County [NJ] | 20 | 39 | (D) | (D) |
| Washtenaw County [MI] | 15 | 24 | (B) | - |
| Broward County [FL] | (D) | (D) | (B) | - |
| Miami-Dade County [FL] | (D) | (D) | (B) | - |
| Will County [IL] | (D) | (D) | (D) | (D) |
| Rockland County [NY] | (D) | (D) | (D) | (D) |
| Virginia Beach city [VA] | (D) | (D) | (B) | - |
| City / Metropolitan area / CBSA | Number of speakers | Margin of Error | Speak English less than "Very Well" | Margin of Error |
| Washington-Arlington-Alexandria [DC-VA-MD-WV] | 7,155 | 1,254 | 3,265 | 724 |
| New York-Newark-Jersey City [NY] | 6,605 | 1,018 | 3,855 | 774 |
| Dallas-Fort Worth-Arlington [TX] | 6,155 | 984 | 3,565 | 805 |
| Boston-Cambridge-Newton [MA-NH] | 3,420 | 779 | 1,000 | 358 |
| Houston-The Woodlands-Sugar Land [TX] | 3,305 | 665 | 1,790 | 429 |
| Atlanta-Sandy Springs-Roswell [GA] | 3,070 | 824 | 2,175 | 719 |
| Chicago-Naperville-Elgin [IL-IN] | 2,625 | 805 | 1,565 | 472 |
| San Francisco-Oakland-Hayward [CA] | 2,590 | 647 | 1,515 | 390 |
| Denver-Aurora-Lakewood [CO] | 2,390 | 628 | 1,425 | 508 |
| Los Angeles-Long Beach-Anaheim [CA] | 2,005 | 565 | 1,175 | 400 |
| Seattle-Tacoma-Bellevue [WA] | 1,995 | 670 | 1,440 | 511 |
| Salt Lake City [UT] | 1,815 | 668 | 1,280 | 480 |
| Baltimore-Columbia-Towson [MD] | 1,770 | 526 | 1,230 | 395 |
| Pittsburgh [PA] | 1,485 | 507 | 1,150 | 480 |
| Minneapolis-St. Paul-Bloomington [MN-WI] | 1,370 | 375 | 840 | 335 |
| Syracuse [NY] | 1,245 | 422 | 930 | 308 |
| Philadelphia-Camden-Wilmington [PA-NJ-DE-MD] | 1,190 | 433 | 750 | 398 |
| Manchester-Nashua [NH] | 1,145 | 430 | 930 | 347 |
| Portland-Vancouver-Hillsboro [OR-WA] | 1,100 | 475 | 870 | 459 |
| Omaha-Council Bluffs [NE-IA] | 985 | 445 | 710 | 380 |
| St. Louis [MO-IL] | 985 | 366 | 560 | 281 |
| Nashville-Davidson-Murfreesboro-Franklin [TN] | 975 | 413 | 820 | 390 |
| Worcester [MA-CT] | 960 | 551 | 555 | 290 |
| Lansing-East Lansing [MI] | 945 | 433 | 770 | 379 |
| Springfield [MA] | 910 | 422 | 720 | 368 |
| Louisville Jefferson County [KY] | 850 | 421 | 600 | 382 |
| Raleigh [NC] | 825 | 465 | 345 | 302 |
| Akron [OH] | 800 | 397 | 680 | 359 |
| Las Vegas-Henderson-Paradise [NV] | 780 | 423 | 585 | 358 |
| Sacramento-Roseville-Arden-Arcade [CA] | 780 | 364 | 420 | 218 |
| Phoenix-Mesa-Scottsdale [AZ] | 770 | 443 | 525 | 332 |
| Grand Rapids-Wyoming [MI] | 760 | 340 | 590 | 268 |
| Buffalo-Cheektowaga-Niagara Falls [NY] | 730 | 346 | 430 | 230 |
| Rochester [NY] | 725 | 465 | 685 | 446 |
| Charlotte-Concord-Gastonia [NC-SC] | 720 | 362 | 625 | 339 |
| Hartford-West Hartford-East Hartford [CT] | 690 | 318 | 235 | 141 |
| Jacksonville [FL] | 690 | 536 | 480 | 471 |
| San Antonio-New Braunfels [TX] | 655 | 402 | 290 | 223 |
| San Jose-Sunnyvale-Santa Clara [CA] | 640 | 254 | 280 | 190 |
| Harrisburg-Carlisle [PA] | 600 | 329 | 510 | 321 |
| Providence-Warwick [RI-MA] | 600 | 418 | 370 | 334 |
| Austin-Round Rock [TX] | 535 | 232 | 180 | 125 |
| Des Moines-West Des Moines [IA] | 495 | 327 | 350 | 216 |
| Richmond [VA] | 495 | 330 | 155 | 175 |
| Cleveland-Elyria [OH] | 460 | 302 | 325 | 227 |
| Greensboro-High Point [NC] | 460 | 273 | 360 | 229 |
| Detroit-Warren-Dearborn [MI] | 445 | 217 | 235 | 138 |
| Kansas City [MO-KS] | 440 | 197 | 220 | 120 |
| Bridgeport-Stamford-Norwalk [CT] | 365 | 259 | 260 | 215 |
| Cincinnati [OH-KY-IN] | 360 | 344 | 295 | 300 |
| Virginia Beach-Norfolk-Newport News [VA-NC] | 360 | 227 | 190 | 164 |
| Colorado Springs [CO] | 340 | 389 | 300 | 362 |
| Columbus [OH] | 335 | 242 | 265 | 233 |
| Santa Rosa [CA] | 315 | 222 | 135 | 141 |
| Tucson [AZ] | 315 | 194 | 240 | 165 |
| Anchorage [AK] | 300 | 309 | 190 | 193 |
| Milwaukee-Waukesha-West Allis [WI] | 290 | 337 | 265 | 334 |
| Madison [WI] | 270 | 227 | 230 | 221 |
| Tampa-St. Petersburg-Clearwater [FL] | 265 | 197 | 115 | 85 |
| New Haven-Milford [CT] | 255 | 204 | 110 | 85 |
| Lancaster [PA] | 250 | 194 | 205 | 165 |
| Miami-Fort Lauderdale-West Palm Beach [FL] | 185 | 183 | (D) | (D) |
| Reno [NV] | 180 | 137 | 135 | 117 |
| Riverside-San Bernardino-Ontario [CA] | 170 | 127 | 95 | 93 |
| Baton Rouge [LA] | 135 | 105 | 90 | 86 |
| Oklahoma City [OK] | 135 | 135 | (B) | - |
| Oxnard-Thousand Oaks-Ventura [CA] | 120 | 104 | 90 | 87 |
| Spokane-Spokane Valley [WA] | 110 | 78 | 100 | 79 |
| Albuquerque [NM] | 105 | 102 | (D) | (D) |
| Salinas [CA] | 105 | 94 | (D) | (D) |
| Albany-Schenectady-Troy [NY] | 100 | 109 | (B) | - |
| Orlando-Kissimmee-Sanford [FL] | 100 | 79 | 45 | 42 |
| Urban Honolulu [HI] | 100 | 77 | 30 | 33 |
| Cape Coral-Fort Myers [FL] | 90 | 138 | (D) | (D) |
| Allentown-Bethlehem-Easton [PA-NJ] | 85 | 83 | (B) | - |
| Memphis [TN-MS-AR] | 80 | 71 | (D) | (D) |
| Indianapolis-Carmel-Anderson [IN] | 75 | 71 | 55 | 50 |
| Stockton-Lodi [CA] | 70 | 114 | 70 | 114 |
| San Diego-Carlsbad [CA] | 65 | 61 | (D) | (D) |
| Modesto [CA] | 60 | 100 | (D) | (D) |
| Vallejo-Fairfield [CA] | 35 | 69 | (B) | - |
| Dayton [OH] | 30 | 34 | (B) | - |
| New Orleans-Metairie [LA] | 30 | 28 | (B) | - |
| Atlantic City-Hammonton [NJ] | 25 | 102 | 4 | 27 |
| Ann Arbor [MI] | 15 | 24 | (B) | - |
| Deltona-Daytona Beach-Ormond Beach [FL] | (D) | (D) | (B) | - |
| Durham-Chapel Hill [NC] | (D) | (D) | (D) | (D) |
| Lafayette [LA] | (D) | (D) | (D) | (D) |