| State Name | County Name | City |
|---|---|---|
| Michigan | Allegan | Douglas |
| Wyoming | Converse | Douglas |
| Pennsylvania | Montgomery | Douglass |
| Kentucky | Jefferson | Douglass Hills |
| Georgia | Douglas | Douglasville |
| Colorado | Arapahoe | Dove Valley |
| Delaware | Kent | Dover |
| Florida | Hillsborough | Dover |
| Massachusetts | Norfolk | Dover |
| New Hampshire | Strafford | Dover |
| New Jersey | Morris | Dover |
| New York | Dutchess | Dover |
| Ohio | Tuscarawas | Dover |
| Pennsylvania | York | Dover |
| Delaware | Kent | Dover Base Housing |
| Maine | Piscataquis | Dover-Foxcroft |
| Illinois | DuPage | Downers Grove |
| California | Los Angeles | Downey |
| Pennsylvania | Chester | Downingtown |
| Ohio | Wayne | Doylestown |
| Pennsylvania | Bucks | Doylestown |
| Massachusetts | Middlesex | Dracut |
| Virginia | Fairfax | Dranesville |
| Utah | Salt Lake | Draper |
| Tennessee | Weakley | Dresden |
| Arizona | Pima | Drexel Heights |
| Pennsylvania | Delaware | Drexel Hill |
| Texas | Hays | Dripping Springs |
| Georgia | DeKalb | Druid Hills |
| Oklahoma | Creek | Drumright |
| Ohio | Hamilton | Dry Ridge |
| Ohio | Hamilton | Dry Run |
| New York | Tompkins | Dryden |
| Illinois | Perry | Du Quoin |
| New York | Schenectady | Duanesburg |
| California | Los Angeles | Duarte |
| California | Alameda | Dublin |
| Georgia | Laurens | Dublin |
| Ohio | Franklin | Dublin |
| Texas | Erath | Dublin |
| Pennsylvania | Clearfield | DuBois |
| Iowa | Dubuque | Dubuque |
| Massachusetts | Worcester | Dudley |
| Virginia | Loudoun | Dulles Town Center |
| Georgia | Gwinnett | Duluth |
| Minnesota | St. Louis | Duluth |
| Arkansas | Desha | Dumas |
| Texas | Moore | Dumas |
| Virginia | Henrico | Dumbarton |
| New Jersey | Bergen | Dumont |
| Pennsylvania | Fayette | Dunbar |
| West Virginia | Kanawha | Dunbar |
| New Hampshire | Merrimack | Dunbarton |
| Oklahoma | Stephens | Duncan |
| South Carolina | Spartanburg | Duncan |
| Texas | Dallas | Duncanville |
| Maryland | Baltimore | Dundalk |
| Florida | Polk | Dundee |
| Oregon | Yamhill | Dundee |
| South Carolina | Greenville | Dunean |
| Florida | Pinellas | Dunedin |
| New Jersey | Middlesex | Dunellen |
| Indiana | Jay | Dunkirk |
| New York | Chautauqua | Dunkirk |
| Indiana | Elkhart | Dunlap |
| Tennessee | Sequatchie | Dunlap |
| Pennsylvania | Lackawanna | Dunmore |
| North Carolina | Harnett | Dunn |
| Virginia | Fairfax | Dunn Loring |
| Massachusetts | Middlesex | Dunstable |
| Georgia | DeKalb | Dunwoody |
| Illinois | St. Clair | Dupo |
| Washington | Pierce | DuPont |
| Michigan | Shiawassee | Durand |
| Colorado | La Plata | Durango |
| Oklahoma | Bryan | Durant |
| California | Butte | Durham |
| Connecticut | Middlesex | Durham |
| Maine | Androscoggin | Durham |
| North Carolina | Durham | Durham |
| New Hampshire | Strafford | Durham |
| Pennsylvania | Luzerne | Duryea |
| Washington | King | Duvall |
| Massachusetts | Plymouth | Duxbury |
| Illinois | Livingston | Dwight |
| Indiana | Lake | Dyer |
| Tennessee | Gibson | Dyer |
| Tennessee | Dyer | Dyersburg |
| Iowa | Dubuque | Dyersville |
| Minnesota | Dakota | Eagan |
| Arizona | Apache | Eagar |
| Idaho | Ada | Eagle |
| Oregon | Deschutes | Eagle Crest |
| Iowa | Wright | Eagle Grove |
| Florida | Polk | Eagle Lake |
| Michigan | Cass | Dowagiac |
| Virginia | Prince William | Dumfries |
| Michigan | Monroe | Dundee |
| Pennsylvania | Allegheny | Duquesne |
| Colorado | Eagle | Eagle |
