1850 Atlas
| Name | What | Place | Pop | Other |
| Strawberry | T | Lawrence Co, AR | 701 | |
| Strawberry Hill | PO | Muscatine Co, IA | ||
| Strawberry Plains | PO | Jefferson Co, TN | ||
| Strawberry Point | PO | Clayton Co, IA | ||
| Strawbridge | PO | York Co, PA | ||
| Strawntown | PV | Haycock twp, Bucks Co, PA | ||
| Strawtown | PV | Hamilton Co, IN | water by White river | |
| Streetsborough | PT | Portage Co, OH | 1,108 | water by Cuyahoga river & Tinker's creek |
| Street's Run | PT | Alleghany Co, PA | ||
| Strickersville | PV | Chester Co, PA | ||
| Strickland's | PO | Ware Co, GA | ||
| Strickland's Depot | PO | Duplin Co, NC | ||
| Strinestown | PO | York Co, PA | ||
| String Prairie | PO | Lee Co, IA | ||
| String Prairie | PO | Burleson Co, TX | ||
| Stringtown | PO | Ripley Co, IN | ||
| Stringtown | PO | Richland Co, IL | ||
| Stringtown | PO | Cole Co, MO | ||
| Strode | PO | Culpepper Co, VA | ||
| Strode's Mills | PO | Mifflin Co, PA | ||
| Strong | PT | Franklin Co, ME | 1,008 | water by Sandy river |
| Strongstown | PV | Wheatley twp, Indiana Co, PA | ||
| Strongsville | PV | Cuyahoga Co, OH | 1,199 | water by east branch of Rocky river |
| Stroud | PT | Monroe Co, PA | 1,419 | water by Smithfield & Cherry creeks |
| Stroudsburgh | PB, CH | Stroud twp, Monroe Co, PA | 811 | seat of justice, water by Smithfield creek |
| Strykersville | PV | Sheldon twp, Wyoming Co, NY | water by Buffalo creek | |
| Stump Bridge | PO | Madison Co, MO | ||
| Stump Sound | PO | Onslow Co, NC | ||
| Sturbridge | PT | Worcester Co, MA | 2,119 | water by Quinnebaug river |
| Stureonville | PV | Brunswick Co, VA | ||
| Sturgis | PO | St Joseph Co, MI | ||
| Stuyvesant | PT | Columbia Co, NY | 1,766 | water by Hudson river |
| Stuyvesant Falls | PV | Stuyvesant twp, Columbia Co, NY | water by Kinderhook creek | |
| Sublett's Tavern | PO | Powhatan Co, VA | ||
| Subligna | PO | Chattooga Co, GA | ||
| Success | PO | Riverhead twp, Suffolk Co, Long Island, NY | ||
| Success | T | Coos Co, NH | ||
| Suckasunny | PV | Morris Co, NJ | ||
| Sudbury | PT | Rutland Co, VT | 794 | water by Otter creek |
| Sudbury | PT | Middlesex Co, MA | 1,578 | water by Sudbury river |
| Sudlersville | PV | Queen Anne Co, MD | ||
| Suffern | PO | Rockland Co, NY | ||
| Suffield | PT | Hartford Co, CT | 2,962 | water by Connecticut river |
| Suffield | PT | Portage Co, OH | 1,281 | |
| Suffolk | PV, CH | Riverhead twp, Suffolk Co, Long Island, NY | seat of justice | |
| Suffolk | PV, CH | Nansemond Co, VA | seat of justice, water by Nansemond river | |
| Sugar Creek | PT | Armstrong Co, PA | 1,688 | |
| Sugar Creek | PO | Crawford Co, PA | ||
| Sugar Creek | T | Venango Co, PA | 875 | |
| Sugar Creek | PO | Hancock Co, IN | ||
| Sugar Creek | PO | Lawrence Co, TN | ||
| Sugar Creek | PO | Telfair Co, GA | ||
| Sugar Creek | PT | Greene Co, OH | 3,082 | |
| Sugar Creek | T | Putnam Co, OH | 550 | |
| Sugar Creek | T | Stark Co, OH | 1,743 | |
| Sugar Creek | T | Wayne Co, OH | 2,321 | |
| Sugar Creek | T | Tuscarawas Co, OH | 1,400 | |
| Sugar Creek | T | Montgomery Co, IN | 777 | |
| Sugar Creek | PT | Shelby Co, IN | 743 | |
| Sugar Creek | PT | Barry Co, MO | ||
| Sugar Creek | T | Newton Co, MO | ||
| Sugar Creek | T | Benton Co, AR | 580 | |
| Sugar Creek | PO | Walworth Co, WI | ||
| Sugar Grove | PT | Sugar Grove twp, Warren Co, PA | 1,523 | water by Stillwater creek |
| Sugar Grove | PO | Kane Co, IL | ||
| Sugar Grove | PO | Tippecanoe Co, IN | ||
| Sugar Grove | PO | Fairfield Co, OH | ||
| Sugar Grove | PO | Pendleton Co, VA | ||
| Sugar Grove | PO | Poweshiek Co, IA | ||
| Sugar Grove | PO | Butler Co, KY | ||
| Sugar Grove | PO | Ashe Co, NC | ||
| Sugar Hill | PO | Grafton Co, NH | ||
| Sugar Hill | PO | Orange twp, Steuben Co, NY | ||
| Sugar Hill | PO | Panola Co, TX | ||
| Sugar Hill | PO | McDowell Co, NC | ||
| Sugar Hill | PO | Marion dist, SC | ||
| Sugar Hill | PO | Hall Co, GA | ||
| Sugar Lake | PO | Crawford Co, PA | ||
| Sugar Land | PO | Matagorda Co, TX | ||
| Sugar Loaf | PV | Goshen & Warwick twp, Orange Co, NY | ||
| Sugar Loaf | PT | Columbia Co, PA | 1,316 | water by Fishing creek |
| Sugar Loaf | T | Luzerne Co, PA | 1,023 | water by Necopoke & Black creeks |
| Sugar Loaf | T | Carroll Co, AR | ||
| Sugar Loaf | T | Crawford Co, AR | 911 | |
| Sugar Loaf | PO | Sebastian Co, AR | ||
| Sugar Loaf | T | Van Buren Co, AR | ||
| Sugar Run | PO | Bradford Co, PA | ||
| Sugar Run | PO | Wetzel Co, VA | ||
| Sugartown | PV | Chester Co, PA | ||
| Sugar Tree | PO | Pittsylvania Co, VA | ||
| Sugar Tree Bottom | T | Carroll Co, MO | ||
| Sugar Tree Ridge | PO | Highland Co, OH | ||
| Sugar Valley | PO | Clinton Co, PA | ||
| Sugar Valley | PO | Preble Co, OH | ||
| Sugar Valley | PO | Murray Co, GA | ||
| Suggsville | PV | Clarke Co, AL | water by Basset's creek | |
| Sullivan | PT | Hancock Co, ME | 810 | water by Frenchman's & Taunton bays |
| Sullivan | PT | Cheshire Co, NH | 468 | water by tributary of Ashuelot river |
| Sullivan | PT | Madison Co, NY | 4,764 | water by Oneida lake, Canaseraga & Chittenango creeks |
| Sullivan | PT | Tioga Co, PA | 1,757 | water by head waters of Tioga river |
| Sullivan | PT | Ashland Co, OH | 1,099 | water by tributaries of Black river |
| Sullivan | PO | Moultrie Co, IL | ||
| Sullivan | PV, CH | Sullivan Co, IN | seat of justice | |
| Sullivan | PO | Jackson Co, IA | ||
| Sullivan | PO | Jefferson Co, WI | ||
| Sullivansville | PO | Chemung Co, NY | ||
| Sully | PT | Marion Co, OH | ||
| Sulphur Bluff | PO | Hopkins Co, TX | ||
| Sulphur Hill | PO | Shelby Co, IN | ||
| Sulphur Lick | PO | Lincoln Co, MO | ||
| Sulphur Lick | PO | Monroe Co, KY | ||
| Sulphur Rock | PO | Independence Co, AR | ||
| Sulphur Spring | PO | Crawford Co, OH | ||
| Sulphur Spring | T | Hot Springs Co, AR | ||
| Sulphur Springs | PO | Buncombe Co, NC | ||
| Sulphur Springs | PO | Rhea Co, TN | ||
| Sulphur Springs | PO | Jefferson Co, MO | ||
| Sulphur Springs | PO | Williamson Co, IL | ||
| Sulphur Springs | PO | Madison Co, MS | ||
| Sulphur Springs | PO | Henry Co, IN | ||
| Sulphur Springs | PO | Cherokee Co, TX | ||
| Sulphur Springs | PO | St Clair Co, AL | ||
| Sulphur Well | PO | Shelby Co, TN |