| State Name | County Name | City |
|---|---|---|
| South Carolina | Bamberg | Denmark |
| Massachusetts | Barnstable | Dennis |
| New Jersey | Cape May | Dennis |
| Massachusetts | Barnstable | Dennis Port |
| Ohio | Hamilton | Dent |
| Maryland | Caroline | Denton |
| Texas | Denton | Denton |
| South Carolina | Richland | Dentsville |
| Colorado | Denver | Denver |
| North Carolina | Lincoln | Denver |
| Pennsylvania | Lancaster | Denver |
| Texas | Yoakum | Denver City |
| New Jersey | Morris | Denville |
| New York | Erie | Depew |
| New Jersey | Gloucester | Deptford |
| Colorado | Adams | Derby |
| Connecticut | New Haven | Derby |
| Kansas | Sedgwick | Derby |
| Vermont | Orleans | Derby |
| Louisiana | Beauregard | DeRidder |
| Arkansas | Chicot | Dermott |
| New Hampshire | Rockingham | Derry |
| Pennsylvania | Dauphin | Derry - Dauphin |
| Pennsylvania | Mifflin | Derry - Mifflin |
| Iowa | Polk | Des Moines |
| Washington | King | Des Moines |
| Missouri | St. Louis | Des Peres |
| Illinois | Cook | Des Plaines |
| Oregon | Deschutes | Deschutes River Woods |
| California | Riverside | Desert Edge |
| California | Riverside | Desert Palms |
| Missouri | St. Francois | Desloge |
| Texas | Dallas | DeSoto |
| Florida | Sarasota | Desoto Lakes |
| Florida | Okaloosa | Destin |
| Louisiana | St. Charles | Destrehan |
| Michigan | Wayne | Detroit |
| Minnesota | Becker | Detroit Lakes |
| North Dakota | Ramsey | Devils Lake |
| Texas | Medina | Devine |
| Arizona | Yavapai | Dewey-Humboldt |
| Arkansas | Arkansas | DeWitt |
| Iowa | Clinton | DeWitt |
| Michigan | Clinton | DeWitt |
| Maine | Penobscot | Dexter |
| Michigan | Washtenaw | Dexter |
| Missouri | Stoddard | Dexter |
| California | Los Angeles | Diamond Bar |
| California | El Dorado | Diamond Springs |
| Mississippi | Hancock | Diamondhead |
| Mississippi | Harrison | D'Iberville |
| Texas | Angelina | Diboll |
| North Dakota | Stark | Dickinson |
| New York | Broome | Dickinson |
| Pennsylvania | Cumberland | Dickinson |
| Texas | Galveston | Dickinson |
| Tennessee | Dickson | Dickson |
| Pennsylvania | Lackawanna | Dickson City |
| Massachusetts | Bristol | Dighton |
| Texas | Frio | Dilley |
| Montana | Beaverhead | Dillon |
| South Carolina | Dillon | Dillon |
| Ohio | Hamilton | Dillonvale |
| Minnesota | Clay | Dilworth |
| Texas | Castro | Dimmitt |
| Pennsylvania | Pike | Dingman |
| California | Tulare | Dinuba |
| California | Contra Costa | Discovery Bay |
| Maryland | Prince George's | District Heights |
| New York | Schuyler | Dix |
| New York | Suffolk | Dix Hills |
| Illinois | Cook | Dixmoor |
| California | Solano | Dixon |
| Illinois | Lee | Dixon |
| New York | Westchester | Dobbs Ferry |
| Georgia | Glynn | Dock Junction |
| Florida | Orange | Doctor Phillips |
| Kansas | Ford | Dodge City |
| Wisconsin | Iowa | Dodgeville |
| Texas | Hidalgo | Doffing |
| Illinois | Cook | Dolton |
| Louisiana | Ascension | Donaldsonville |
| Arizona | Coconino | Doney Park |
| Texas | Hidalgo | Donna |
| Pennsylvania | Washington | Donora |
| Texas | Hidalgo | Doolittle |
| Puerto Rico | Dorado | Dorado |
| Florida | Miami-Dade | Doral |
| Georgia | DeKalb | Doraville |
| Pennsylvania | Allegheny | Dormont |
| Pennsylvania | Lehigh | Dorneyville |
| California | Merced | Dos Palos |
| Alabama | Houston | Dothan |
| Texas | Denton | Double Oak |
| Arizona | Cochise | Douglas |
| Georgia | Coffee | Douglas |
| Massachusetts | Worcester | Douglas |
| Louisiana | Calcasieu | DeQuincy |
| California | Riverside | Desert Hot Springs |
| Oklahoma | Washington | Dewey |
