1850 Atlas
| Name | What | Place | Pop | Other |
| Hanauer's Store | PO | Randolph Co, AR | ||
| Hanchetteville | PO | Dane Co, AR | ||
| Hancock | PT | Hancock Co, ME | 960 | water by Frenchman's bay |
| Hancock | PT | Hillsborough Co, NH | 1,012 | water by Contoocook river & Long pond |
| Hancock | PT | Addison Co, VT | 430 | |
| Hancock | PT | Berkshire Co, MA | 789 | water by sources of Kinderhook creek & Housatonic river |
| Hancock | PT | Delaware Co, NY | 1,798 | water by Delaware river & Papacton branch |
| Hancock | PT | Washington Co, MD | water by Potomac river | |
| Hancock | PO | De Soto Co, MS | ||
| Hancock's Bridge | PV | Lower Allaway's twp, Salem Co, NJ | ||
| Handy | PT | Livingston Co, MI | 484 | |
| Honeyville | PO | Lycoming Co, PA | ||
| Hanford's Landing | PO | Greece twp, Monroe Co, NY | ||
| Hanging Rock | PV | Hampshire Co, VA | ||
| Hanging Rock | PO | Kershaw dist, SC | ||
| Hanging Rock | PO | Upper twp, Lawrence Co, OH | ||
| Hannahatchie | PO | Stewart Co, GA | ||
| Hanna's | PO | Sumner Co, TN | ||
| Hanna's Mills | PO | Mahoning Co, OH | ||
| Hannahsburgh | V | Butler Co, PA | ||
| Hannegan | PO | Cherokee Co, AL | ||
| Hannegan | PO | Atchison Co, MO | ||
| Hannegan | PO | Rush Co, IN | ||
| Hannibal | PT | Oswego Co, NY | 2,857 | |
| Hannibal | PV | Marion Co, MO | water by Mississippi river | |
| Hannibal Centre | PO | Oswego Co, NY | ||
| Hanover | PT | Grafton Co, NH | 2,350 | water by Connecticut river, seat of Dartmouth College |
| Hanover | PT | Plymouth Co, MA | 1,592 | water by Pembroke creek |
| Hanover | PT | Chautauque Co, NY | 5,144 | water by Silver creek |
| Hanover | PT | Morris Co, NJ | 3,608 | water by Whippany, Parsipany & Rockaway rivers |
| Hanover | PT | Jefferson Co, IN | ||
| Hanover | T | Burlington Co, NJ | water by Black's & Croswick's creeks | |
| Hanover | PB | Heidelberg twp, York Co, PA | 1,210 | water by branch of Conewago creek |
| Hanover | T | Dauphin Co, PA | water by Beaver & Manady creek & Bow run | |
| Hanover | T | Lehigh Co, PA | water by Calesoque creek & Lehigh river | |
| Hanover | T | Northampton Co, PA | 428 | water by Manokesy creek |
| Hanover | T | Beaver Co, PA | 1,732 | water by Big & Little Traviss creeks |
| Hanover | T | Washington Co, PA | 1,803 | water by Herman's & Indian creeks |
| Hanover | T | Luzerne Co, PA | 1,506 | water by Susquehanna river & Nanticoke & Solomon's creeks |
| Hanover | PT | Licking Co, OH | water by Licking river & Ohio canal | |
| Hanover | T | Butler Co, OH | 1,493 | |
| Hanover | PT | Columbiana Co, OH | 2,858 | |
| Hanover | T | Richland Co, OH | water by branches of Mohiccan river | |
| Hanover | V | North twp, Harrison Co, OH | ||
| Hanover | T | Shelby Co, IN | 1,061 | |
| Hanover | PT | Jackson Co, MI | 930 | |
| Hanover | PO | Jo-Daviess Co, IL | ||
| Hanover | PV, CH | Hanover Co, VA | seat of justice | |
| Hanover | PO | Oxford Co, ME | ||
| Hanover | PO | Coosa Co, AL | ||
| Hanover Centre | PO | Hanover twp, Grafton Co, NH | ||
| Hanover Neck | PO | Hanover twp, Morris Co, NJ | ||
| Hanoverton | PV | Hanover twp, Columbiana Co, OH | ||
| Hanson | PT | Plymouth Co, MA | 1,217 | water by branch of North river |
| Hanson | PO | Marion Co, MO | ||
| Hansonville | PO | Russell Co, VA | ||
| Hap Hazard | PO | Catahoula parish, LA | ||
| Happy Valley | PO | Fairfax Co, VA | ||
| Happy Valley | PO | Carter Co, TN | ||
| Haralson | PO | Coweta Co, GA | ||
| Harbor Creek | PT | Erie Co, PA | 2,084 | water by Lake Erie |
| Hard Money | PO | Stewart Co, GA | ||
| Hardin | PV, CH | Turtle creek twp, Shelby Co, OH | seat of justice | |
| Hardin | PV, CH | Calhoun Co, IL | 596 | seat of justice |
| Hardin | T | Conway Co, AR | ||
| Hardin | PO | Allemakee Co, IA | ||
| Hardin's Tavern | PO | Albermarle Co, VA | ||
| Hardingville | PO | Gloucester Co, NJ | ||
| Hardinsburgh | V | Dearborn Co, IN | water by Great Miami river | |
| Hardinsburgh | PV, CH | Breckenridge Co, KY | seat of justice | |
| Hardinsburgh | PV | Washington Co, IN | ||
| Hardinsburgh | PO | Montgomery Co, IL | ||
| Hardinsville | PV | Shelby Co, KY | ||
| Hardwick | PT | Worcester Co, MA | 1,631 | water by Ware river |
| Hardwick | PT | Caledonia Co, VT | 1,402 | water by Lamoille river |
| Hardwick | T | Warren Co, NJ | 727 | water by Paulin's kill, Beaver brook & Bear branch of Pequest creek |
| Hardwick | V | Bryan Co, GA | water by Ogeechee criver | |
| Hardwicksville | PO | Nelson Co, VA | ||
| Hardy | T | Holmes Co, OH | 2,424 | |
| Hardyston | T | Sussex Co, NJ | 1,344 | water by Wallkill river |
| Harford | PT | Susquehanna Co, PA | 1,258 | water by Martin's Partners & Van Winkle's creeks |
| Harford | PO | Virgil twp, Cortland Co, NY | ||
| Hargrave | PO | Copiah Co, MS | ||
| Hargrove's Tavern | PO | Nansemond Co, VA | ||
| Harois | PT | Centre Co, PA | 1,954 | |
| Harlan | PO, CH | Harlan Co, KY | seat of justice, Mount Pleasant village, water by Clover fork of Cumberland river | |
| Harlan | PO | Allen Co, IN | ||
| Harlessville | PV | Marion dist, SC | water by Little Pedee river | |
| Harlem | PO | Winnebago Co, IL | ||
| Harlem | T | Delaware Co, OH | 1,182 | |
| Harlem | PV, City | Co of New York | water by Harlem river | |
| Harlem Spring | PO | Carroll Co, OH | ||
| Harlemville | PO | Claverack twp, Columbia Co, NY | ||
| Harlensburgh | PV | Lawrence Co, PA | ||
| Harleysville | PO | Montgomery Co, PA | ||
| Harlingen | PV | Montgomery twp, Somerset Co, NJ | ||
| Harmar | PV | Washington Co, OH | 1,010 | water by Muskingum river |
| Harmerville | PO | Alleghany Co, PA | ||
| Harmonsburgh | PV | Sadsbury twp, Crawford Co, PA | water by Conneaut creek & Conneaut lake | |
| Harmony | PT | Somerset Co, ME | 1,107 | water by sources of Sebasticook river |
| Harmony | V | Conequenessing twp, Butler Co, PA | 441 | water by Conequenessing river, founded & sold by the society of harmonites |
| Harmony | PT | Chautauque Co, NY | 3,749 | water by Goose & Little Broken Straw creeks |
| Harmony | PT | Warren Co, NJ | 1,960 | |
| Harmony | T | Susquehanna Co, PA | 1,578 | water by Susquehanna river |
| Harmony | PV | Halifax Co, VA | ||
| Harmony | PV | York dist, SC | ||
| Harmony | PT | Clark Co, OH | 1,804 | |
| Harmony | T | Delaware Co, OH | 1,162 | water by branches of Alum & Big Walnut creeks |
| Harmony | PO | Clay Co, IN | ||
| Harmony | T | Van Buren Co, MO | ||
| Harmony | PV | Washington Co, MO | water by Hazel creek | |
| Harmony | T | Washington Co, MO | 700 | |
| Harmony | PO | Kent Co, MD | ||
| Harmony | PT | Perry Co, IN | ||
| Harmony | PO | McHenry Co, IL | ||
| Harmony | PO | Elbert Co, GA | ||
| Harmony Grove | PO | Jackson Co, GA | ||
| Harmony Vale | PV | Hardiston twp, Sussex Co, NJ | ||
| Harnageville | PV | Cherokee Co, GA | ||
| Harnedsville | PO | Somerset Co, PA | ||
| Harold | PO | Montgomery Co, PA | ||
| Harper's Ferry | PO | Abbeville dist, SC | ||
| Harper's Ferry | PV | Jefferson Co, VA | 1,747 | water by Shenandoah & Potomac rivers |
| Harper's Mills | PO | Pendleton Co, VA | ||
| Harper's Valley | po | Raleigh Co, VA | ||
| Harpersfield | PT | Delaware Co, NY | 1,604 | water by Charlotte & Delaware rivers |
| Harpersfield | PT | Ashtabula Co, OH | 680 | water by Grand river |
| Harpersville | PV | Colesville twp, Broome Co, NY | water by Susquehanna river | |
| Harpersville | PV | Shelby Co, AL | ||
| Harpeth | PO | Williamson Co, TN | ||
| Harpswell | T | Cumberland Co, ME | 1,545 | water by Casco bay & consists of a promontory & islands |