1850 Atlas
| Name | What | Place | Pop | Other |
| Habolochitto | PO | Hancock Co, MS | ||
| Hackensack | T | Bergen Co, NJ | 3,486 | water by Hudson & Hackensack rivers |
| Hackensack | PV | Barbadoes twp, Bergen Co, NJ | seat of justice, water by Hackensack river | |
| Hackettstown | PV | Independence twp, Warren Co, NJ | water by Musconetcong river & Morris canal | |
| Hackney's Cross Roads | PO | Chatham Co, NC | ||
| Haddam | PT, CH | Middlesex Co, CT | 2,279 | seat of justice with Middleton, water by Connecticut river |
| Haddonfield | PV | Newton twp, Camden Co, NJ | 884 | water by Cooper creek |
| Haden's | PO | Madison Co, AL | ||
| Hadensville | V | Todd Co, KY | ||
| Hadensville | PO | Goochland Co, VA | ||
| Hadley | PT | Hampshire Co, MA | 1,986 | water by Connecticut river |
| Hadley | PT | Saratoga Co, NY | 1,003 | water by Hudson & Sacandaga rivers |
| Hadley | PT | Lapeer Co, MI | 847 | |
| Hadley | PV | Will Co, IL | ||
| Hadley's Mills | PO | Chatham Co, NC | ||
| Hadlyme | PV | East Haddam twp, New London Co, CT | ||
| Hadnot's | PO | Carteret Co, NC | ||
| Hagman's Mills | PV | Amsterdam twp, Montgomery Co, NY | ||
| Hager's Grove | PO | Shelby Co, MO | ||
| Hagerstown | PV, CH | Washington Co, MD | 3,696 | seat of justice, water by Antietam creek |
| Hagerstown | PV | Monroe twp, Preble Co, OH | ||
| Hagerstown | PV | Wayne Co, IN | water by west fork of White Water river | |
| Hagersville | PO | Berks Co, PA | ||
| Hague | PT | Warren Co, NY | 771 | |
| Hague | PV | Westmoreland Co, VA | ||
| Hague | PV | Logan Co, KY | ||
| Hains | PT | Centre Co, PA | 1,954 | containing villages of Aaronsburg & Millheim |
| Hainesburgh | PO | Warren Co, NJ | ||
| Hainesville | PO | Sussex Co, NJ | ||
| Hainesville | PO | Lake Co, IL | ||
| Hainesville | PO | Clinton Co, MO | ||
| Hainesville | PO | Berkeley Co, VA | ||
| Halawaka | PO | Chambers Co, AL | ||
| Halcottsville | PO | Delaware Co, NY | ||
| Halcyondale | PO | Scriven Co, GA | ||
| Hale | PT | Hardin Co, OH | ||
| Hale | PO | Ogle Co, IL | ||
| Hale's Eddy | PO | Broome Co, NY | ||
| Hale's Ford | PO | Panola Co, MS | ||
| Hale's Ford | PO | Franklin Co, VA | ||
| Hale's Mills | PO | Fentress Co, TN | ||
| Hale's Point | PO | Andrew Co, MO | ||
| Hale's Point | PO | Lauderdale Co, TN | ||
| Haleysburgh | PO | Lunenburgh Co, VA | ||
| Half Acre | V | Putnam Co, GA | ||
| Half Day | PO | Lake Co, IL | ||
| Half Moon | PT | Saratoga Co, NY | 2,788 | water by Hudson river & Champlain canal |
| Half Moon | PT | Centre Co, PA | 714 | water by Bald Eagle creek & Half Moon run |
| Half Way | PO | Polk Co, MO | ||
| Half Way House | PO | York Co, VA | ||
| Half Way Prairie | PO | Monroe Co, IA | ||
| Halifax | PT | Plymouth Co, MA | 784 | |
| Halifax | PT | Windham Co, VT | 1,133 | water by Green & North river |
| Halifax | PO | Panola Co, MS | ||
| Halifax | PT | Dauphin Co, PA | 1,295 | water by Susquehanna river & Armstrong creek |
| Halifax | PV, CH | Halifax Co, VA | seat of justice, water by Banister river | |
| Halifax | PV, CH | Halifax Co, NC | seat of justice, water by Roanoke river | |
| Halifax | PV | Wilson Co, TN | ||
| Halifax | PV | Kemper Co, MS | ||
| Hall | O | York Co, PA | ||
| Hall | PO | Appling dist, S | ||
| Hall | PO | Lawrence Co, MO | ||
| Hall | PO | Franklin Co, IL | ||
| Halletsville | PO | La Vaca Co, TX | ||
| Halloca | PO | Muscogee Co, GA | ||
| Hallowell | PT | Kennebec Co, ME | 4,769 | water by Kennebec river |
| Hallowell Cross Roads | PO | Kennebec Co, ME | ||
| Hall's Corners | PO | Seneca twp, Ontario Co, NY | ||
| Hall's Corners | PO | Allen Co, IN | ||
| Hall's Cross Roads | PO | Harford Co, MD | ||
| Hall's Cross Roads | PO | Franklin Co, NC | ||
| Hall's Mills | V | Rensselaerville twp, Albany Co, NY | ||
| Hall's Ranche | PO | Colusi Co, CA | ||
| Hall's Store | PO | Sessex Co, DE | ||
| Hall's Valley | PO | Morgan Co, OH | ||
| Hallsa's Creek | PO | Nodaway Co, MO | ||
| Hallsborough | PO | Powhatan Co, VA | ||
| Hallsville | PO | Minden twp, Montgomery Co, NY | ||
| Hallsville | PV | Duplin Co, NC | ||
| Hallsville | PO | Coleraine twp, Ross Co, OH | ||
| Hallsville | PO | Boone Co, MO | ||
| Halltown | PV | Jefferson Co, VA | ||
| Halseville | PO | Chester dist, SC | ||
| Halsey Valley | PO | Tioga Co, NY | ||
| Hambaugh's | PO | Warren Co, VA | ||
| Hamburgh | PO | St Charles Co, MO | ||
| Hamburgh | PV | Lyme twp, New London Co, CT | ||
| Hamburgh | PT | Erie Co, NY | 5,219 | water by Smoke's Rush & Cauquaga creeks & Lake Erie |
| Hamburgh | PV | Vernon twp, Sussex Co, NJ | water by Wallkill river | |
| Hamburgh | PV | Windsor twp, Berks Co, PA | 1,034 | |
| Hamburgh | PV | Edgefield dist, SC | water by Savannah river | |
| Hamburgh | PV | Macon Co, GA | ||
| Hamburgh | PV | Calhoun Co, IL | 374 | water by Mississippi river |
| Hamburgh | PV | Hardin Co, TN | ||
| Hamburgh | PT | Livingston Co, MI | 895 | |
| Hamburgh | PV | Clarke Co, IN | ||
| Hamburgh | PO | Franklin Co, WI | ||
| Hamburgh | PO | Preble Co, OH | ||
| Hamburgh | PV, CH | Ashley Co, AR | seat of justice | |
| Hamburgh on the Lake | PV | Hamburgh twp, Erie Co, NY | water by Lake Erie | |
| Hamden | PT | Delaware Co, NY | 1,919 | water by west branch of Delaware river |
| Hamden | PT | New Haven Co, CT | 2,166 | water by Mill river, contains village of Whitneyville |
| Hammersville | PO | Clark twp, Brown Co, OH | ||
| Hamilton | PT | Essex Co, MA | 889 | water by Ipswich river |
| Hamilton | PT | Madison Co, NY | 3,599 | water by sources of Chenango river |
| Hamilton | PT | Atlantic Co, NJ | 2,015 | seat of justice, water by Great Egg Harbor, contains village of May's Landing |
| Hamilton | T | Adams Co, PA | 2,696 | water by Conewago creek & Beaver run |
| Hamilton | PV | Loudoun Co, VA | ||
| Hamilton | PV | Martin Co, NC | ||
| Hamilton | PV, CH | Fairfield twp, Butler Co, OH | 1,582 | seat of justice, water by Great Miami river |
| Hamilton | V | Blockley twp, Philadelphia Co, PA | ||
| Hamilton | PT | Franklin Co, OH | 1,485 | water by Scioto river |
| Hamilton | PT | Jackson Co, OH | 665 | |
| Hamilton | T | Warren Co, OH | 842 | |
| Hamilton | PT | Van Buren Co, MI | 370 | |
| Hamilton | PV, CH | Harris Co, GA | seat of justice | |
| Hamilton | PV, CH | Monroe Co, MS | seat of justice | |
| Hamilton | T | McKean Co, PA | 103 | |
| Hamilton | T | Franklin Co, PA | 1,924 | water by mian branch of Conecocheague & Back creeks |
| Hamilton | T | Monroe Co, PA | 1,984 | water by Cherry, Pokons & McMichael's creeks |
| Hamilton | PO | Marion Co, IA | ||
| Hamilton | PO | Steuben Co, IN | ||
| Hamilton | PO | Shelby Co, TX | ||
| Hamilton | PO | Boone Co, KY | ||
| Hamilton | PO | Union parish, LA | ||
| Hamilton | PV, CH | Butte Co, CA | seat of justice | |
| Hamilton Ban | T | Adams Co, PA | 1,530 | water by south branch of Marsh creek, Middle & Towns' creeks & Muddy run |
| Hamilton Cross Roads | PO | McMinn Co, TN | ||
| Hamilton Landing | PO | Jackson Co, TN | ||
| Hamilton Square | PO | Mercer Co, NY | ||
| Hamlet | PO | Chautauque Co, NY | ||
| Hamlin | PO | Cabell Co, VA | ||
| Hamlin's Grant | T | Oxford Co, ME | ||
| Hamlinton | PO | Wayne Co, PA | ||
| Hammock's Grove | PO | Crawford Co, GA | ||
| Hammond | PT | St Lawrence Co, NY | 1,819 | water by St Lawrence river & Black lake |
| Hammond's | PO | St Joseph Co, IN | ||
| Hammond's Mills | V | Campbell twp, Steuben Co, NY | ||
| Hammond's Store | PO | Anson CO, NC | ||
| Hammondsburgh | PO | Warren Co, IA | ||
| Hammondsport | V | Urbana twp, Steuben Co, NY | water by Crooked lake | |
| Hammonton | PO | Atlantic Co, NJ | ||
| Hammonville | PO | Hart Co, KY | ||
| Hamorton | PO | Chester Co, PA | ||
| Hampden | PT | Penobscot Co, ME | 3,195 | water by Penobscot & Sowadabsook rivers |
| Hampden | PT | Geauga CO, OH | 919 | |
| Hampden | PO | Columbia Co, WI | ||
| Hampden | PO | Marengo Co, AL | ||
| Hampden Sidney College | PO | Prince Edward Co, VA | ||
| Hampshire | PO | Kane Co, IL | ||
| Hampshire | PO | Lewis Co, TN | ||
| Hampstead | PT | Rockingham Co, NH | 789 | |
| Hampstead | PV | Carroll Co, MD | ||
| Hampstead | PV | King George Co, VA | ||
| Hampton | PT | Rockingham Co, NH | 1,192 | water by Atlantic ocean, noted for promontary called "Boar's Head" |
| Hampton | PT | Windham Co, CT | 946 | water by branch of Shetucket river |
| Hampton | PT | Washington Co, NY | 899 | water by Poultney river |
| Hampton | V | Westmoreland twp, Oneida Co, NY | water by Oriskany creek | |
| Hampton | PV | Reading twp, Admas Co, PA | ||
| Hampton | PV, CH | Elizabeth City Co, VA | seat of justice, water by Hampton river | |
| Hampton | PV | Rock Island Co, IL | ||
| Hampton | PO | Hendricks Co, IN | ||
| Hampton | PO | Saganaw Co, MI | ||
| Hampton Falls | PT | Rockingham Co, NH | 640 | water by Atlantic Ocean |
| Hamptonburgh | PT | Orange Co, NY | 1,343 | water by Murderer's & Wallkill Creeks |
| Hamptonville | PV | Surry Co, NC | ||
| Hamtranck | T | Wayne Co, MI | 1,628 |