| 1 | Wabash County | Indiana | 30,777 | -0.6 % | 3.5 % |
| 2 | Wabash County | Illinois | 10,979 | -3.3 % | 3.8 % |
| 3 | Wabasha County | Minnesota | 21,574 | 0.9 % | 3.7 % |
| 4 | Wabaunsee County | Kansas | 7,112 | 3.4 % | 3.6 % |
| 5 | Wadena County | Minnesota | 14,437 | 2.7 % | 6.0 % |
| 6 | Wagoner County | Oklahoma | 91,257 | 12.7 % | 3.1 % |
| 7 | Wahkiakum County | Washington | 4,800 | 8.5 % | 6.9 % |
| 8 | Wake County | North Carolina | 1,232,444 | 9.1 % | 3.2 % |
| 9 | Wakulla County | Florida | 37,115 | 9.9 % | 3.4 % |
| 10 | Waldo County | Maine | 40,617 | 2.6 % | 3.7 % |
| 11 | Walker County | Texas | 83,722 | 9.6 % | 4.3 % |
| 12 | Walker County | Georgia | 69,340 | 2.5 % | 3.2 % |
| 13 | Walker County | Alabama | 65,260 | -0.1 % | 2.8 % |
| 14 | Walla Walla County | Washington | 62,068 | -0.8 % | 4.1 % |
| 15 | Wallace County | Kansas | 1,472 | -2.6 % | 3.3 % |
| 16 | Waller County | Texas | 65,109 | 14.7 % | 5.2 % |
| 17 | Wallowa County | Oregon | 7,522 | 1.8 % | 5.8 % |
| 18 | Walsh County | North Dakota | 10,214 | -3.2 % | 3.4 % |
| 19 | Walthall County | Mississippi | 13,839 | -0.3 % | 4.7 % |
| 20 | Walton County | Georgia | 109,792 | 13.6 % | 3.2 % |
| 21 | Walton County | Florida | 89,666 | 19.1 % | 3.7 % |
| 22 | Walworth County | Wisconsin | 106,029 | 0.8 % | 2.9 % |
| 23 | Walworth County | South Dakota | 5,270 | -0.9 % | 2.8 % |
| 24 | Wapello County | Iowa | 35,681 | 0.7 % | 4.3 % |
| 25 | Ward County | North Dakota | 68,427 | -2.1 % | 2.6 % |
| 26 | Ward County | Texas | 11,038 | -5.2 % | 3.5 % |
| 27 | Ware County | Georgia | 36,222 | -0.1 % | 4.3 % |
| 28 | Warren County | Ohio | 256,059 | 5.7 % | 4.1 % |
| 29 | Warren County | Kentucky | 147,936 | 9.9 % | 4.2 % |
| 30 | Warren County | New Jersey | 112,031 | 2.2 % | 5.0 % |
| 31 | Warren County | New York | 65,288 | -0.7 % | 3.8 % |
| 32 | Warren County | Iowa | 56,343 | 7.5 % | 3.2 % |
| 33 | Warren County | Tennessee | 43,619 | 6.5 % | 3.9 % |
| 34 | Warren County | Virginia | 42,461 | 4.3 % | 3.3 % |
| 35 | Warren County | Mississippi | 42,105 | -5.8 % | 4.3 % |
| 36 | Warren County | Missouri | 38,478 | 8.3 % | 3.7 % |
| 37 | Warren County | Pennsylvania | 37,373 | -3.2 % | 4.6 % |
| 38 | Warren County | North Carolina | 19,081 | 2.4 % | 4.9 % |
| 39 | Warren County | Illinois | 16,217 | -3.7 % | 4.4 % |
| 40 | Warren County | Indiana | 8,451 | 0.2 % | 3.2 % |
| 41 | Warren County | Georgia | 5,148 | -1.3 % | 4.1 % |
| 42 | Warrick County | Indiana | 66,339 | 3.8 % | 3.2 % |
| 43 | Wasatch County | Utah | 37,858 | 8.8 % | 3.1 % |
| 44 | Wasco County | Oregon | 26,507 | -0.6 % | 5.1 % |
| 45 | Waseca County | Minnesota | 18,684 | -1.4 % | 4.6 % |
| 46 | Washakie County | Wyoming | 7,662 | -0.3 % | 3.5 % |
| 47 | Washburn County | Wisconsin | 16,982 | 2.1 % | 4.3 % |
| 48 | Washington County | Oregon | 611,272 | 1.8 % | 4.9 % |
| 49 | Washington County | Minnesota | 283,960 | 6.1 % | 3.4 % |
| 50 | Washington County | Arkansas | 266,184 | 8.3 % | 3.4 % |
| 51 | Washington County | Pennsylvania | 210,434 | 0.5 % | 4.2 % |
| 52 | Washington County | Utah | 207,943 | 15.3 % | 3.5 % |
| 53 | Washington County | Maryland | 157,228 | 1.6 % | 4.3 % |
| 54 | Washington County | Tennessee | 139,642 | 5.0 % | 3.3 % |
| 55 | Washington County | Wisconsin | 138,727 | 1.4 % | 2.8 % |
| 56 | Washington County | Rhode Island | 130,333 | 0.4 % | 3.6 % |
| 57 | Washington County | Vermont | 59,844 | 0.1 % | 2.6 % |
| 58 | Washington County | New York | 59,839 | -2.4 % | 3.5 % |
| 59 | Washington County | Ohio | 58,332 | -2.4 % | 4.9 % |
| 60 | Washington County | Virginia | 54,098 | 0.3 % | 3.5 % |
| 61 | Washington County | Oklahoma | 54,060 | 3.1 % | 3.6 % |
| 62 | Washington County | Mississippi | 41,181 | -8.3 % | 5.2 % |
| 63 | Washington County | Texas | 37,810 | 5.6 % | 3.9 % |
| 64 | Washington County | Maine | 31,383 | 0.9 % | 5.3 % |
| 65 | Washington County | Indiana | 28,345 | 0.7 % | 3.6 % |
| 66 | Washington County | Florida | 26,503 | 4.7 % | 4.8 % |
| 67 | Washington County | Missouri | 23,583 | 0.3 % | 4.9 % |
| 68 | Washington County | Iowa | 22,631 | 0.3 % | 2.7 % |
| 69 | Washington County | Nebraska | 21,254 | 1.9 % | 2.7 % |
| 70 | Washington County | Georgia | 19,834 | -0.8 % | 3.7 % |
| 71 | Washington County | Alabama | 15,018 | -2.4 % | 3.2 % |
| 72 | Washington County | Illinois | 13,535 | -1.7 % | 3.4 % |
| 73 | Washington County | Kentucky | 12,269 | 2.0 % | 4.0 % |
| 74 | Washington County | Idaho | 11,539 | 9.9 % | 4.6 % |
| 75 | Washington County | North Carolina | 10,654 | -3.2 % | 4.8 % |
| 76 | Washington County | Kansas | 5,572 | 0.9 % | 3.4 % |
| 77 | Washington County | Colorado | 4,771 | -1.0 % | 3.4 % |
| 78 | Washington Parish | Louisiana | 45,090 | -0.8 % | 4.7 % |
| 79 | Washita County | Oklahoma | 10,839 | -0.8 % | 2.9 % |
| 80 | Washoe County | Nevada | 507,280 | 4.3 % | 4.3 % |
| 81 | Washtenaw County | Michigan | 373,875 | 0.4 % | 4.3 % |
| 82 | Watauga County | North Carolina | 54,997 | 1.7 % | 3.5 % |
| 83 | Watonwan County | Minnesota | 11,204 | -0.4 % | 4.0 % |
| 84 | Waukesha County | Wisconsin | 417,029 | 2.5 % | 2.9 % |
| 85 | Waupaca County | Wisconsin | 51,171 | -1.2 % | 3.1 % |
| 86 | Waushara County | Wisconsin | 25,079 | 2.3 % | 3.8 % |
| 87 | Wayne County | Michigan | 1,771,063 | -1.3 % | 6.0 % |
| 88 | Wayne County | North Carolina | 120,338 | 2.6 % | 3.9 % |
| 89 | Wayne County | Ohio | 116,632 | -0.2 % | 4.2 % |
| 90 | Wayne County | New York | 90,757 | -0.6 % | 3.6 % |
| 91 | Wayne County | Indiana | 66,410 | -0.2 % | 3.8 % |
| 92 | Wayne County | Pennsylvania | 51,419 | 0.5 % | 4.5 % |
| 93 | Wayne County | West Virginia | 37,589 | -3.6 % | 4.5 % |
| 94 | Wayne County | Georgia | 32,132 | 6.6 % | 3.5 % |
| 95 | Wayne County | Mississippi | 19,749 | -0.1 % | 4.2 % |
| 96 | Wayne County | Kentucky | 19,629 | 0.4 % | 5.9 % |
| 97 | Wayne County | Tennessee | 15,974 | -1.6 % | 3.8 % |
| 98 | Wayne County | Illinois | 15,928 | -1.7 % | 4.2 % |
| 99 | Wayne County | Missouri | 10,820 | -1.4 % | 5.8 % |
| 100 | Wayne County | Nebraska | 9,870 | 1.7 % | 3.0 % |
| 101 | Wayne County | Iowa | 6,622 | 2.0 % | 3.1 % |
| 102 | Wayne County | Utah | 2,608 | 4.9 % | 5.5 % |
| 103 | Waynesboro city | Virginia | 23,498 | 5.9 % | 3.1 % |
| 104 | Weakley County | Tennessee | 33,162 | 0.8 % | 4.3 % |
| 105 | Webb County | Texas | 272,823 | 2.1 % | 4.6 % |
| 106 | Weber County | Utah | 276,118 | 5.3 % | 3.6 % |
| 107 | Webster County | Missouri | 42,041 | 7.6 % | 3.9 % |
| 108 | Webster County | Iowa | 36,909 | -0.2 % | 3.6 % |
| 109 | Webster County | Kentucky | 12,854 | -1.3 % | 4.7 % |
| 110 | Webster County | Mississippi | 10,039 | 1.2 % | 3.3 % |
| 111 | Webster County | West Virginia | 7,947 | -5.1 % | 6.0 % |
| 112 | Webster County | Nebraska | 3,326 | -2.1 % | 2.7 % |
| 113 | Webster County | Georgia | 2,315 | -1.4 % | 3.9 % |
| 114 | Webster Parish | Louisiana | 35,184 | -4.8 % | 5.0 % |
| 115 | Weld County | Colorado | 369,745 | 12.4 % | 4.3 % |
| 116 | Wells County | Indiana | 28,798 | 2.2 % | 2.9 % |
| 117 | Wells County | North Dakota | 3,803 | -4.5 % | 2.6 % |
| 118 | West Baton Rouge Parish | Louisiana | 28,425 | 4.5 % | 4.1 % |
| 119 | West Carroll Parish | Louisiana | 9,254 | -5.1 % | 6.5 % |
| 120 | West Feliciana Parish | Louisiana | 15,155 | -1.0 % | 3.0 % |
| 121 | Westchester County | New York | 1,006,447 | 0.2 % | 3.4 % |
| 122 | Western Connecticut Planning Region | Connecticut | 637,013 | 2.6 % | 3.5 % |
| 123 | Westmoreland County | Pennsylvania | 350,935 | -1.0 % | 4.2 % |
| 124 | Westmoreland County | Virginia | 19,235 | 4.1 % | 4.8 % |
| 125 | Weston County | Wyoming | 6,866 | 0.4 % | 3.3 % |
| 126 | Wetzel County | West Virginia | 13,766 | -4.8 % | 6.0 % |
| 127 | Wexford County | Michigan | 34,460 | 2.4 % | 6.1 % |
| 128 | Wharton County | Texas | 42,035 | 1.1 % | 4.4 % |
| 129 | Whatcom County | Washington | 234,954 | 3.6 % | 4.4 % |
| 130 | Wheatland County | Montana | 2,058 | -0.4 % | 4.8 % |
| 131 | Wheeler County | Georgia | 7,076 | -5.4 % | 2.9 % |
| 132 | Wheeler County | Texas | 4,824 | -3.3 % | 3.3 % |
| 133 | Wheeler County | Oregon | 1,456 | 0.6 % | 4.6 % |
| 134 | Wheeler County | Nebraska | 808 | 4.7 % | 2.5 % |
| 135 | White County | Arkansas | 79,091 | 2.9 % | 4.1 % |
| 136 | White County | Georgia | 29,668 | 5.9 % | 3.0 % |
| 137 | White County | Tennessee | 29,108 | 6.4 % | 4.3 % |
| 138 | White County | Indiana | 24,833 | 0.5 % | 3.6 % |
| 139 | White County | Illinois | 13,395 | -3.5 % | 4.6 % |
| 140 | White Pine County | Nevada | 8,534 | -6.0 % | 4.1 % |
| 141 | Whiteside County | Illinois | 54,657 | -1.9 % | 4.6 % |
| 142 | Whitfield County | Georgia | 105,070 | 2.1 % | 3.9 % |
| 143 | Whitley County | Kentucky | 37,233 | 1.4 % | 4.7 % |
| 144 | Whitley County | Indiana | 34,885 | 2.0 % | 3.2 % |
| 145 | Whitman County | Washington | 48,399 | 0.9 % | 3.9 % |
| 146 | Wibaux County | Montana | 911 | -2.8 % | 3.1 % |
| 147 | Wichita County | Texas | 129,984 | 0.5 % | 3.8 % |
| 148 | Wichita County | Kansas | 2,072 | -3.7 % | 2.7 % |
| 149 | Wicomico County | Maryland | 106,329 | 2.6 % | 4.3 % |
| 150 | Wilbarger County | Texas | 12,455 | -3.4 % | 3.8 % |
| 151 | Wilcox County | Alabama | 9,865 | -6.9 % | 5.6 % |
| 152 | Wilcox County | Georgia | 8,904 | 1.5 % | 3.4 % |
| 153 | Wilkes County | North Carolina | 66,186 | 0.3 % | 4.0 % |
| 154 | Wilkes County | Georgia | 9,567 | 0.1 % | 3.7 % |
| 155 | Wilkin County | Minnesota | 6,268 | -3.7 % | 3.6 % |
| 156 | Wilkinson County | Georgia | 8,667 | -2.4 % | 4.2 % |
| 157 | Wilkinson County | Mississippi | 7,820 | -8.9 % | 6.0 % |
| 158 | Will County | Illinois | 708,583 | 1.6 % | 4.6 % |
| 159 | Willacy County | Texas | 20,027 | -0.7 % | 5.6 % |
| 160 | Williams County | North Dakota | 40,763 | -0.5 % | 2.8 % |
| 161 | Williams County | Ohio | 36,554 | -1.5 % | 4.9 % |
| 162 | Williamsburg city | Virginia | 16,030 | 4.0 % | 4.9 % |
| 163 | Williamsburg County | South Carolina | 29,865 | -3.7 % | 7.7 % |
| 164 | Williamson County | Texas | 727,480 | 19.4 % | 3.5 % |
| 165 | Williamson County | Tennessee | 269,136 | 8.6 % | 2.8 % |
| 166 | Williamson County | Illinois | 67,064 | -0.1 % | 4.2 % |
| 167 | Wilson County | Tennessee | 169,948 | 15.0 % | 2.9 % |
| 168 | Wilson County | North Carolina | 79,958 | 0.9 % | 5.1 % |
| 169 | Wilson County | Texas | 55,415 | 11.4 % | 3.7 % |
| 170 | Wilson County | Kansas | 8,398 | -2.7 % | 4.8 % |
| 171 | Winchester city | Virginia | 27,800 | -1.1 % | 3.3 % |
| 172 | Windham County | Vermont | 45,627 | -0.7 % | 2.8 % |
| 173 | Windsor County | Vermont | 57,697 | -0.1 % | 2.4 % |
| 174 | Winkler County | Texas | 7,381 | -5.3 % | 3.2 % |
| 175 | Winn Parish | Louisiana | 13,405 | -2.5 % | 4.8 % |
| 176 | Winnebago County | Illinois | 283,790 | -0.6 % | 5.4 % |
| 177 | Winnebago County | Wisconsin | 173,307 | 0.9 % | 2.9 % |
| 178 | Winnebago County | Iowa | 10,383 | -2.7 % | 3.5 % |
| 179 | Winneshiek County | Iowa | 19,723 | -1.7 % | 3.2 % |
| 180 | Winona County | Minnesota | 49,973 | 0.6 % | 3.2 % |
| 181 | Winston County | Alabama | 23,869 | 1.4 % | 3.0 % |
| 182 | Winston County | Mississippi | 17,418 | -1.6 % | 4.0 % |
| 183 | Wirt County | West Virginia | 4,924 | -5.2 % | 6.2 % |
| 184 | Wise County | Texas | 81,275 | 18.4 % | 3.7 % |
| 185 | Wise County | Virginia | 34,973 | -3.2 % | 4.4 % |
| 186 | Wolfe County | Kentucky | 6,364 | -3.0 % | 8.5 % |
| 187 | Wood County | Ohio | 133,077 | 0.6 % | 4.5 % |
| 188 | Wood County | West Virginia | 82,757 | -1.8 % | 4.3 % |
| 189 | Wood County | Wisconsin | 73,943 | -0.4 % | 3.5 % |
| 190 | Wood County | Texas | 48,742 | 8.7 % | 4.7 % |
| 191 | Woodbury County | Iowa | 107,257 | 1.2 % | 3.5 % |
| 192 | Woodford County | Illinois | 38,290 | -0.4 % | 3.7 % |
| 193 | Woodford County | Kentucky | 27,728 | 3.2 % | 3.5 % |
| 194 | Woodruff County | Arkansas | 5,808 | -7.3 % | 3.8 % |
| 195 | Woods County | Oklahoma | 8,582 | -0.5 % | 2.7 % |
| 196 | Woodson County | Kansas | 3,111 | -0.4 % | 5.3 % |
| 197 | Woodward County | Oklahoma | 19,991 | -2.4 % | 2.8 % |
| 198 | Worcester County | Massachusetts | 881,248 | 2.2 % | 4.6 % |
| 199 | Worcester County | Maryland | 54,337 | 3.6 % | 5.3 % |
| 200 | Worth County | Georgia | 20,262 | -2.5 % | 3.4 % |
| 201 | Worth County | Iowa | 7,307 | -1.8 % | 3.0 % |
| 202 | Worth County | Missouri | 1,872 | -5.1 % | 3.4 % |
| 203 | Wrangell City and Borough | Alaska | 2,064 | -3.0 % | 5.2 % |
| 204 | Wright County | Minnesota | 154,593 | 9.4 % | 3.8 % |
| 205 | Wright County | Missouri | 19,505 | 7.2 % | 5.2 % |
| 206 | Wright County | Iowa | 12,729 | -1.7 % | 2.9 % |
| 207 | Wyandot County | Ohio | 21,394 | -2.3 % | 4.0 % |
| 208 | Wyandotte County | Kansas | 169,418 | 0.1 % | 4.8 % |
| 209 | Wyoming County | New York | 39,588 | -2.4 % | 3.8 % |
| 210 | Wyoming County | Pennsylvania | 25,771 | -1.2 % | 4.5 % |
| 211 | Wyoming County | West Virginia | 19,964 | -6.6 % | 5.2 % |
| 212 | Wythe County | Virginia | 28,100 | -0.7 % | 4.1 % |