1850 Atlas
| Name | What | Place | Pop | Other |
| Dead Falls | PO | Abbeville dist, SC | ||
| Dead River | PO | Somerset Co, ME | ||
| Deal's Mills | PO | Caldwell Co, NC | ||
| Deal | V | Shrewsbury twp, Monmouth Co, NJ | water by Popular Swamp creek | |
| Deam | PO | Owen Co, IN | ||
| Dean's Corner | PO | Saratoga twp, Saratoga Co, NY | ||
| Deansville | PV | Marshall twp, Oneida Co, NY | on the Chenango canal | |
| Dearborn | T | Kennebec Co, ME | ||
| Dearborn | T | Wayne Co, MI | 1,385 | water by Rouge river |
| Dearbornville | PV | Dearborn twp, Wayne Co, MI | water by Rouge iver | |
| Deardorf's Mills | not listed | Wayne twp, Tuscarawas Co, OH | ||
| Dearmans | PO | Westchester Co, NY | ||
| Deatsville | PO | Nelson Co, KY | ||
| Deatsville | PO | Amelia Co, VA | ||
| Devertown | PV | York Twp, Morgan Co, OH | ||
| De Bastrop | PT | Drew Co, AR | now called Holly Point | |
| Decatur | PT | Otsego Co, NY | 927 | water by Elk creek |
| Decatur | T | Clearfield Co, PA | 445 | |
| Decatur | PT | Mifflin Co, PA | 990 | water by Jack's creek |
| Decatur | PV | Byrd twp, Brown Co, OH | ||
| Decatur | PT | Van Buren Co, MI | 386 | |
| Decatur | PV, CH | DeKalb Co, GA | 744 | seat of justice |
| Decatur | T | Marion Co, IN | ||
| Decatur | T | Washington Co, OH | 807 | |
| Decatur | V | Union dist, SC | ||
| Decatur | T | Lawrence Co, OH | 1,052 | |
| Decatur | PV | Morgan Co, AL | water by Tennessee river | |
| Decatur | PV, CH | Adams Co, IN | 231 | seat of justice, water by Wabash river |
| Decatur | PV, CH | Newton Co, MS | seat of justice, water by Chickasaw river | |
| Decatur | PV, CH | Meigs Co, TN | seat of justice | |
| Decatur | V | Howard Co, MO | ||
| Decatur | PV, CH | Macon Co, IL | seat of justice, water by Sangamon river | |
| Decatur | PO | Greene Co, WI | ||
| Decaturville | PO | Decatur Co, TN | ||
| Decaturville | PO | Washington Co, OH | ||
| Decker's Creek | PO | Preston Co, VA | ||
| Deckertown | PV | Wantage twp, Sussex Co, NJ | ||
| Decorah | PO | Winnesheik Co, IA | ||
| Dedham | PT, CH | Norfolk Co, MA | 4,447 | seat of justice, water by Charles & Neponset rivers |
| Deed's Creek | PO | Kosciusko Co, IN | ||
| Deedsville | PO | Jefferson Co, IA | ||
| Deep Creek | PV | Norfolk Co, VA | ||
| Deep Cut | PO | Mercer Co, OH | ||
| Deepikill | PO | Rensselaer Co, NY | ||
| Deep River | PV | Saybrook twp, Middlesex Co, CT | water by Connecticut & Deep rivers | |
| Deep River | PO | Guilford Co, NC | ||
| Deep River | PO | Lake Co, IN | ||
| Deep River | PO | Poweshick Co, IA | ||
| Deep Water | PO | Henry Co, MO | ||
| Deep Water | T | Van Buren Co, MO | ||
| Deep Water | PO | Marshall Co, MS | ||
| Deep Well | PO | Iredell Co, NC | ||
| Deer | T | Allegany Co, PA | ||
| Deer Brook | PO | Noxubee Co, MS | ||
| Deer Creek | PO | Mercer Co, PA | ||
| Deer Creek | T | Madison Co, OH | 436 | |
| Deer Creek | PO | Livingston Co, MI | ||
| Deer Creek | PO | Carroll Co, IN | ||
| Deer Creek | PO | Issaquena Co, MS | ||
| Deer Creek | T | Pickaway Co, OH | 1,354 | |
| Deerfield | PT | Rockingham Co, NH | 2,022 | water by Lamprey river, Martin & Pleasant ponds |
| Deerfield | PT | Franklin Co, MS | 2,421 | water by Connecticut & Deerfield rivers |
| Deerfield | PT | Oneida Co, NY | 2,287 | water by tributaries of Mohawk river |
| Deerfield | T | Cumberland Co, NJ | 927 | water by Cohansey creek & Muddy run |
| Deerfield | T | Tioga Co, PA | 721 | water by Cowanesque & Marsh creeks |
| Deerfield | V | Warren Co, PA | 1,022 | |
| Deerfield | PT | Portage Co, OH | 1,371 | water by Mahoning river & the Pennsylvania & Ohio canal |
| Deerfield | PT | Warren Co, OH | 1,863 | |
| Deerfield | PV | Lenawee Co, MI | ||
| Deerfield | T | Morgan Co, OH | 1,325 | |
| Deerfield | PV | Augusta Co, VA | ||
| Deerfield | T | Ross Co, OH | 1,315 | |
| Deerfield | PV | Randolph Co, IN | ||
| Deerfield | T | Van Buren Co, MO | ||
| Deerfield | T | Livingston Co, MI | 883 | |
| Deerfield | PO | Lake Co, IL | ||
| Deerfield | PO | Carroll parish, LA | ||
| Deerfield | PO | Dane Co, WI | ||
| Deerfield Street | PV | Deerfield twp, Cumberland Co, NJ | water by Cohansey creek | |
| Deerfield Village | PV | Union twp, Warren Co, OH | water by Little Miami river | |
| Deer Grove | PO | Cook Co, IL | ||
| Deering | PT | Hillsborough Co, NH | 890 | water by Contoocook river |
| Deer Isle | PT & island | Hancock Co, ME | 3,037 | situated in Penobscot bay |
| Deerlick | PO | Macon Co, VA | ||
| Deerpark | T | Orange Co, NY | 4,032 | water by Navesink river, Delaware & Hudson canal |
| Deer Park | PO | La Salle Co, IL | ||
| Deer Plain | PO | Clahoun Co, IL | ||
| Deer River | PO | Lewis Co, NY | ||
| Deersville | PV | Stock twp, Harrison Co, OH | 289 | |
| Defiance | PV, CH | Defiance twp, Defiance Co, OH | 890 | seat of justice, water by Maumee & Auglaize rivers |
| Defrietsville | PV | Greenbush twp, Rensselaer Co, NY | ||
| De Glaize | PO | Morehouse parish, LA | ||
| De Kalb | PT | St Lawrence Co, NY | 2,389 | water by Oswegatchie river |
| De Kalb | PO | Crawford Co, OH | ||
| De Kalb | V | Hancock Co, IL | ||
| De Kalb | PV, CH | Kemper Co, MS | seat of justice, water by Sacarnochee creek | |
| De Kalb | PV | Lewis Co, VA | water by Little Kanawha river | |
| De Kalb | PO | Buchanan Co, MO | ||
| De Kalb | PO | De Kalb Co, IN | ||
| De Kalb | PO | Gilmer Co, VA | ||
| De Kalb | PO | Bowie Co, TX | ||
| De Kalb Centre | PO | De Kalb Co, IL | ||
| Dekorra | PO | Columbia Co, WI | ||
| Delafield | PO | Waukesba Co, WI | ||
| De Lancey | PO | Madison Co, NY | ||
| De La Palma | PO | Brown Co, OH | ||
| Delayvan | PO | Yorkshire twp, Cattaraugus Co, NY | ||
| Delavan | PO | Tazwell Co, IL | ||
| Delavan | PT | Walworth Co, WI | ||
| Delaware | T | Hunterdon Co, NJ | 2,554 | water by Delaware river & Wickhecheoke creek |
| Delaware | PT | Juniata Co, PA | ||
| Delaware | T | Mercer Co, PA | 2,863 | water by Chenango & Lackawanock creeks |
| Delaware | PT | Pike Co, PA | 754 | water by Dingman's & Bushkill creeks |
| Delaware | PV, CH | Delaware Co, OH | 2,074 | water by Oleatangy or Whetstone river |
| Delaware | T | Williams Co, OH | water by Maumee river | |
| Delaware | T | Hancock Co, OH | 1,035 | |
| Delaware | T | Hamilton Co, IN | ||
| Delaware | PV | Ripley Co, IN | ||
| Delaware City | PV | New Castle Co, DE | 908 | water by Delaware river |
| Delaware Bridge | PO | Sullivan Co, NY | ||
| Delaware Grove | PO | Mercer Co, PA | ||
| Delay | PO | Fayette Co, MS | ||
| Delectable Hill | PO | Pike Co, IN | ||
| Delhi | PT, CH | Delaware Co, NY | 2,909 | seat of justice, water by Mohawk branch of Delaware river |
| Delhi | T | Hamilton Co, OH | 1,942 | water by Ohio river |
| Delhi | PV | Jersey Co, IL | ||
| Delhi | PV, CH | Delaware Co, IA | seat of justice | |
| Delhi | PO | Winnebago Co, WI | ||
| Delhi Centre | PO | Ingham Co, MI | ||
| Dellona | PO | Sauk Co, WI | ||
| Del Norte | PO | Davis Co, IA | ||
| Delphi | PV, CH | Carroll Co, IN | seat of justice, water by Wabash river & Deer creek | |
| Delphi | PV | Pompey twp, Onondaga Co, NY | ||
| Delphi | V | Marion Co, TN | water by Sequatchy river | |
| Delphi | PV | Gasconade Co, MO | water by Bourbeuse creek | |
| Delphos | PO | Van Wert Co, OH | ||
| Delphton | V | Fayette Co, KY | ||
| Delray | PO | Union Co, GA | ||
| Delta | PV | Lee twp, Oneida Co, NY | ||
| Delta | PO | Fulton Co, OH | ||
| Delta | PO | Parke Co, IN | ||
| Delta | PO | Coahoma Co, MS | ||
| Delta | PO | Eaton Co, MI | ||
| Delmar | T | Tioga Co, PA | 1,529 | |
| Demand | T | Randolph Co, AR | ||
| Democracy | PO | Pike twp, Knox Co, OH | ||
| Democracy | PO | Pike Co, KY | ||
| Democrat | PO | Buncombe Co, NC | ||
| Democrat | PO | Iroquois Co, IL | ||
| Demopolis | PV | Marengo Co, AL | water by Tombigbee river | |
| Demos | PO | Belomnt Co, OH | ||
| Dempseytown | PO | Venango Co, PA | ||
| Denmark | PT | Oxford Co, ME | 1,203 | water by Saco river |
| Denmark | PT | Lewis Co, NY | 1,824 | water by Black river & Deer creek |
| Denmark | PT | Ashtabula Co, OH | 241 | |
| Denmark | PV | Madison Co, TN | ||
| Denning | PO | Ulster Co, NY | ||
| Dennis | PT | Barnstable Co, MA | water by Bass river | |
| Dennis | PT | Cape May Co, NJ | 1,604 | water by Dennis creek |
| Dennis Creek | PO | Dennis twp, Cape May Co, NJ | ||
| Dennis' Mills | PO | St Helena parish, LA | ||
| Dennison | T | Luzerne Co, PA | ||
| Dennisville | PO | Amelia Co, VA | ||
| Denny | PO | Warren Co, IL | ||
| Dennysville | PT | Washington Co, ME | 458 | water by Dennis river |
| Denon | PO | Waukesha Co, WI | ||
| Densontown | PO | Rankin Co, PA | ||
| Dent | PO | Hamilton Co, OH | ||
| Denton | PV, CH | Caroline Co, MD | seat of justice, water by Choptauk river | |
| Denton Creek | PO | Denton Co, TX | ||
| Dentonsville | V | Hanover Co, VA | ||
| Denville | PO | Morris Co, NJ | ||
| Depauville | PV | Clayton twp, Jefferson Co, NY | water by Chaumont river | |
| De Pere | PC, CH | Brown Co, WI | seat of justice | |
| De Peyster | PT | St Lawrence Co, NY | 906 | water by Oswegatchie river & Black lake |
| Deposit | PV | Tompkins twp, Delaware Co, NY | water by Delaware river | |
| Deptford | T | Gloucester Co, NJ | 3,555 | water by Big Timber creek & tributaries of Harbor river |
| Derby | PT | Orleans Co, VT | 1,750 | water by Clyde river & Lake Memphremagog |
| Derby | PT | New Haven Co, CT | 3,824 | water by Housatonic and Naugatuck rivers |
| Derby Line | PO | Derby twp, Orleans Co, VT | ||
| Derickson's Cross Roads | PO | Worcester Co, MD | ||
| Derry | PT | Westmorland Co, PA | ||
| Derry | PT | Rockingham Co, NH | 1,850 | water by Beaver river & Derry pond |
| Derry | T | Mifflin Co, PA | water by Kishkoquilla creek | |
| Derry | T | Dauphin Co, PA | 1,649 | |
| Derry | T | Columbia Co, PA | ||
| De Ruyter | PT | Madison Co, NY | 1,931 | water by Toughnioga river |
| Des Arc | PO | Prairie Co, AR | ||
| Des Moines | V | Hancock Co, IL | ||
| Des Moines | T | Clark Co, MO | ||
| Des Moines City | PO | Wapello Co, IA | ||
| Des Peres | PO | St Louis Co, MO | ||
| Desrayauxville | PO | Rapides parish, LA | ||
| Detroit | City | Wayne Co, MI | 21,119 | seat of justice |
| Detroit | PO | Somerset Co, ME | ||
| Detroit | PO | Pike Co, IL | ||
| Detroit | PO | Marion Co, AL | ||
| Devereaux | PO | Herkimer Co, NY | ||
| Devereaux's Store | PO | Hancock Co, GA | ||
| Devon | PO | Henry Co, IN | ||
| De Witt | PT | Onondaga Co, NY | 3,302 | |
| De Witt | PV, CH | Clinton Co, MI | 706 | |
| De Witt | PV | Carroll Co, MO | water by Missouri river | |
| De Witt | PO | De Witt Co, IL | ||
| De Witt | PO | Clinton Co, IA | ||
| De Wittville | PO | Shautauque two, Chautanque Co, NY | ||
| Dexter | PT | Penobscot Co, ME | 1,948 | |
| Dexter | PV | Brownville twp, Jefferson Co, NY | water by Black river | |
| Dexter | PV | Scioto twp, Washtenaw Co, MI | water by Mill creek & Huron river | |
| Dexterville | V | Ellicott twp, Chautauque Co, NY | water by Chautauque outlet |