| State Name | County Name | City |
|---|---|---|
| Pennsylvania | Bucks | Croydon |
| Virginia | Albemarle | Crozet |
| Minnesota | Hennepin | Crystal |
| Missouri | Jefferson | Crystal City |
| Texas | Zavala | Crystal City |
| Florida | Polk | Crystal Lake |
| Illinois | McHenry | Crystal Lake |
| Florida | Citrus | Crystal River |
| Mississippi | Copiah | Crystal Springs |
| Missouri | Crawford | Cuba |
| New York | Allegany | Cuba |
| California | Los Angeles | Cudahy |
| Wisconsin | Milwaukee | Cudahy |
| Alabama | Cullman | Cullman |
| West Virginia | Cabell | Culloden |
| North Carolina | Jackson | Cullowhee |
| Virginia | Culpeper | Culpeper |
| California | Los Angeles | Culver City |
| Indiana | Marion | Cumberland |
| Kentucky | Harlan | Cumberland |
| Maryland | Allegany | Cumberland |
| Maine | Cumberland | Cumberland |
| Pennsylvania | Greene | Cumberland |
| Rhode Island | Providence | Cumberland |
| Maine | Cumberland | Cumberland Center |
| Rhode Island | Providence | Cumberland Hill |
| Georgia | Forsyth | Cumming |
| Pennsylvania | Berks | Cumru |
| California | Santa Clara | Cupertino |
| Oklahoma | Payne | Cushing |
| Georgia | Chattahoochee | Cusseta |
| Montana | Glacier | Cut Bank |
| Louisiana | Lafourche | Cut Off |
| New York | Suffolk | Cutchogue |
| Georgia | Randolph | Cuthbert |
| California | Tulare | Cutler |
| Florida | Miami-Dade | Cutler Bay |
| Michigan | Kent | Cutlerville |
| California | Humboldt | Cutten |
| Ohio | Summit | Cuyahoga Falls |
| Kentucky | Harrison | Cynthiana |
| California | Orange | Cypress |
| Florida | Polk | Cypress Gardens |
| Florida | Lee | Cypress Lake |
| Colorado | Weld | Dacono |
| Georgia | Gwinnett | Dacula |
| Florida | Pasco | Dade City |
| Florida | Pasco | Dade City North |
| Alabama | Tallapoosa | Dadeville |
| Virginia | King George | Dahlgren |
| Georgia | Lumpkin | Dahlonega |
| Texas | Morris | Daingerfield |
| South Dakota | Union | Dakota Dunes |
| Colorado | Jefferson | Dakota Ridge |
| Virginia | Prince William | Dale City |
| Alabama | Dale | Daleville |
| Virginia | Botetourt | Daleville |
| Texas | Dallam | Dalhart |
| Georgia | Paulding | Dallas |
| North Carolina | Gaston | Dallas |
| Oregon | Polk | Dallas |
| Pennsylvania | Luzerne | Dallas |
| Pennsylvania | York | Dallastown |
| Georgia | Whitfield | Dalton |
| Massachusetts | Berkshire | Dalton |
| California | San Mateo | Daly City |
| South Carolina | Sumter | Dalzell |
| Maryland | Montgomery | Damascus |
| Oregon | Clackamas | Damascus |
| Pennsylvania | Wayne | Damascus |
| North Carolina | Henderson | Dana |
| California | Orange | Dana Point |
| Connecticut | Fairfield | Danbury |
| New York | Tompkins | Danby |
| Tennessee | Jefferson | Dandridge |
| Florida | Broward | Dania Beach |
| Connecticut | Windham | Danielson |
| New York | Livingston | Dansville |
| Massachusetts | Essex | Danvers |
| California | Contra Costa | Danville |
| Illinois | Vermilion | Danville |
| Indiana | Hendricks | Danville |
| Kentucky | Boyle | Danville |
| New Hampshire | Rockingham | Danville |
| Pennsylvania | Montour | Danville |
| Virginia | Danville | Danville |
| Alabama | Baldwin | Daphne |
| Pennsylvania | Delaware | Darby |
| Arkansas | Yell | Dardanelle |
| Missouri | St. Charles | Dardenne Prairie |
| Connecticut | Fairfield | Darien |
| Georgia | McIntosh | Darien |
| Illinois | DuPage | Darien |
| New York | Genesee | Darien |
| South Carolina | Darlington | Darlington |
| Maryland | Montgomery | Darnestown |
| Massachusetts | Bristol | Dartmouth |
| Texas | DeWitt | Cuero |
| Texas | Dallas | Dallas |
| New York | Clinton | Dannemora |
