| 4208586552 | Worth | |
| 13321 | Worth County remainder | |
| 29227 | Worth County remainder | |
| 4606172780 | Worthen | |
| 2501582175 | Worthington | |
| 2710571752 | Worthington | |
| 3913986618 | Worthington | |
| 4612372860 | Wortman | |
| 02275 | Wrangell City and Borough remainder | |
| 2701771806 | Wrenshall | |
| 2502182315 | Wrentham | |
| 1805585634 | Wright | |
| 1915594785 | Wright | |
| 1918594788 | Wright | |
| 2605988780 | Wright | |
| 2613988820 | Wright | |
| 2708971842 | Wright | |
| 3609583195 | Wright | |
| 3802187620 | Wright | |
| 4207986584 | Wright | |
| 4612372940 | Wright | |
| 27171 | Wright County remainder | |
| 29229 | Wright County remainder | |
| 1706183583 | Wrights | |
| 4201786624 | Wrightstown | |
| 5500989175 | Wrightstown | |
| 3802387660 | Writing Rock | |
| 2713771869 | Wuori | |
| 1905194791 | Wyacondah | |
| 4201586664 | Wyalusing | |
| 5504389250 | Wyalusing | |
| 2711371878 | Wyandotte | |
| 20209 | Wyandotte County remainder | |
| 1701183635 | Wyanet | |
| 2705971896 | Wyanett | |
| 3803187700 | Wyard | |
| 3400383050 | Wyckoff | |
| 2715371932 | Wykeham | |
| 2712571986 | Wylie | |
| 3807787780 | Wyndmere | |
| 5502189325 | Wyocena | |
| 1710383674 | Wyoming | |
| 1910594794 | Wyoming | |
| 3108953940 | Wyoming | |
| 5504989350 | Wyoming | |
| 5513589375 | Wyoming | |
| 42131 | Wyoming County remainder | |
| 54109 | Wyoming County remainder | |
| 1701583700 | Wysox | |
| 4201586912 | Wysox | |
| 1706783713 | Wythe | |
| 51197 | Wythe County remainder | |
| 1702583752 | Xenia | |
| 3905786786 | Xenia | |
| 37197 | Yadkin County remainder | |
| 53077 | Yakima County remainder | |
| 02282 | Yakutat City and Borough remainder | |
| 28161 | Yalobusha County remainder | |
| 41071 | Yamhill County remainder | |
| 37199 | Yancey County remainder | |
| 2601589020 | Yankee Springs | |
| 46135 | Yankton County remainder | |
| 2300587845 | Yarmouth | |
| 2500182525 | Yarmouth | |
| 1711383804 | Yates | |
| 2608589040 | Yates | |
| 3607383448 | Yates | |
| 04025 | Yavapai County remainder | |
| 28163 | Yazoo County remainder | |
| 1901594797 | Yell | |
| 1918794800 | Yell | |
| 05149 | Yell County remainder | |
| 2707372058 | Yellow Bank | |
| 2904181286 | Yellow Creek | |
| 2911581304 | Yellow Creek | |
| 3902986912 | Yellow Creek | |
| 27173 | Yellow Medicine County remainder | |
| 1905794803 | Yellow Springs | |
| 1709183856 | Yellowhead | |
| 3805387820 | Yellowstone | |
| 30111 | Yellowstone County remainder | |
| 48501 | Yoakum County remainder | |
| 2015580775 | Yoder | |
| 06113 | Yolo County remainder | |
| 1701583908 | York | |
| 1702383934 | York | |
| 1704383947 | York | |
| 1800785940 | York | |
| 1802985958 | York | |
| 1803985976 | York | |
| 1811385994 | York | |
| 1815186030 | York | |
| 1815586048 | York | |
| 1909594806 | York | |
| 1915594809 | York | |
| 1917194812 | York | |
| 2018580800 | York | |
| 2303187985 | York | |
| 2616189100 | York | |
| 2704572076 | York | |
| 2917181340 | York | |
| 3605184022 | York | |
| 3800587900 | York | |
| 3900986982 | York | |
| 3901386996 | York | |
| 3903787010 | York | |
| 3905187024 | York | |
| 3910387052 | York | |
| 3911587066 | York | |
| 3914387080 | York | |
| 3915787094 | York | |
| 3915987122 | York | |
| 3916187136 | York | |
| 4213387056 | York | |
| 4603773220 | York | |
| 4605973260 | York | |
| 5501989425 | York | |
| 5502589450 | York | |
| 5504589475 | York | |
| 23031 | York County remainder | |
| 31185 | York County remainder | |
| 42133 | York County remainder | |
| 45091 | York County remainder | |
| 51199 | York County remainder | |
| 3600984055 | Yorkshire | |
| 1707384012 | Yorktown | |
| 3611984077 | Yorktown | |
| 3802187940 | Yorktown | |
| 3802187980 | Young | |
| 4206387160 | Young | |
| 4206587168 | Young | |
| 1704584064 | Young America | |
| 2701972130 | Young America | |
| 48503 | Young County remainder | |
| 1705784077 | Young Hickory | |
| 2616189160 | Ypsilanti | |
| 3809388060 | Ypsilanti | |
| 06115 | Yuba County remainder | |
| 2705572166 | Yucatan | |
| 02290 | Yukon-Koyukuk Census Area remainder | |
| 04027 | Yuma County remainder | |
| 08125 | Yuma County remainder | |
| 3909188042 | Zane | |
| 1713584129 | Zanesville | |
| 48505 | Zapata County remainder | |
| 48507 | Zavala County remainder | |
| 2016180900 | Zeandale | |
| 2613989280 | Zeeland | |
| 4604973340 | Zell | |
| 4209787280 | Zerbe | |
| 3100154150 | Zero | |
| 4607573420 | Zickrick | |
| 46137 | Ziebach County remainder | |
| 1719184194 | Zif | |
| 2614589340 | Zilwaukee | |
| 1709784233 | Zion | |
| 2714572256 | Zion | |
| 3809588220 | Zion | |
| 1716184246 | Zuma | |
| 2715772292 | Zumbro | |
| 2704972346 | Zumbrota | |