1850 Atlas
| Name | What | Place | Pop | Other |
| Rowe | PT | Franklin Co, MA | 659 | water by Pelham brook |
| Rowena | PO | Russell Co, KY | ||
| Rowesville | PV | Bedford Co, TN | ||
| Row's | PO | Ashland Co, OH | ||
| Rowland | T | Hillsdale Co, MI | ||
| Rowlandsville | PV | Cecil Co, MD | ||
| Rowlandsville | PO | Stanly Co, NC | ||
| Rowley | PT | Essex Co, MA | 1,075 | water by Rowley river |
| Roxana | PO | Eaton Co, MI | ||
| Roxborough | PT | Philadelphia Co, PA | 2,660 | water by Schuylkill river |
| Roxborough | PV, CH | Person Co, NC | seat of justice | |
| Roxbury | PT | Cheshire Co, NH | 260 | water by tributaries of Ashuelot river |
| Roxbury | PT | Washington Co, VT | 967 | water by tributaries of Onion & White rivers |
| Roxbury | City | Norfolk Co, MA | 18,364 | suburb of Boston |
| Roxbury | PT | Litchfield Co, CT | 1,114 | water by Shepaug river |
| Roxbury | PT | Delaware Co, NY | 2,853 | water by Papacton branch of Delaware river |
| Roxbury | T | Morris Co, NJ | 2,269 | water by Budd's pond & Black river |
| Roxbury | PV | Lurgan twp, Franklin Co, PA | water by Conedogwinit creek | |
| Roxbury | PO | Oxford Co, ME | ||
| Roxbury | PT | Washington Co, OH | 1,373 | |
| Roxo | PO | Marquette Co, WI | ||
| Roxobel | PO | Bertie Co, NC | ||
| Royal Centre | PO | Cass Co, IN | ||
| Royal Oak | PO | Talbot Co, MD | ||
| Royal Oak | PT | Oakland Co, MI | 1,092 | water by Red river |
| Royal Oaks | PO | Cumberland Co, VA | ||
| Royalton | PT | Worcester Co, MA | 1,546 | water by Miller's river |
| Royalton | PT | Windsor Co, VT | 1,850 | water by White river |
| Royalton | PT | Niagara Co, NY | 4,024 | water by Tonawanda creek & Erie canal |
| Royalton | PT | Cuyahoga Co, OH | ||
| Royalton | PT | Lucas Co, OH | ||
| Royalton | PV | Amanda twp, Fairfield Co, OH | ||
| Royalton | T | Berrien Co, MI | ||
| Royalton | PV | Boone Co, IN | ||
| Royalton Centre | PO | Royalton twp, Niagara Co, NY | ||
| Royer's Ford | PO | Montgomery Co, PA | ||
| Royton | PO | Delaware Co, IN | ||
| Rozell's Ferry | not listed | Mecklenburg Co, NC | ||
| Ruark | PO | Lawrence Co, IL | ||
| Ruckersville | PV | Greene Co, VA | ||
| Ruckersville | PV | Elbert Co, GA | water by Van's creek | |
| Ruckersville | PO | Greene Co, VA | ||
| Ruckerville | PO | Clarke Co, KY | ||
| Ruckmanville | PO | Highland Co, VA | ||
| Ruddle | PO | Independence Co, AR | ||
| Ruddle's Mills | PO | Bourbon Co, KY | ||
| Rude's Mills | PO | Lewis Co, VA | ||
| Ruggles | PT | Ashland Co, OH | 1,138 | |
| Ruma | PO | Randolph Co, IL | ||
| Rumford | PT | Oxford Co, ME | 1,375 | water by Androscoggin river |
| Rumford Centre | PO | Rumford twp, Oxford Co, ME | ||
| Rumford Point | PO | Oxford Co, ME | ||
| Rummerfield Creek | PO | Wysox twp, Bradford Co, PA | ||
| Rumley | PT | Harrison Co, OH | 1,088 | |
| Rumney | PT | Grafton Co, NH | 1,109 | water by Baker's river |
| Rumsey | PV | Muhlenburgh Co, KY | ||
| Rundell's | PO | Crawford Co, PA | ||
| Rundale | T | Cape Girardeau Co, MO | ||
| Rupert | PT | Bennington Co, VT | 1,001 | water by Pawlet river |
| Rural | PO | Clermont Co, OH | ||
| Rural | PO | Jasper Co, MO | ||
| Rural Hill | PO | Wilson Co, TN | ||
| Rural Hill | PO | Jefferson Co, NY | ||
| Rural Hill | PO | Conecuh Co, AL | ||
| Rural Retreat | PO | Wythe Co, VA | ||
| Rural Vale | PO | Lapeer Co, MI | ||
| Rural Valley | PO | Armstrong Co, PA | ||
| Ruscumb Manor | T | Berks Co, PA | water by Maiden creek | |
| Rush | PT | Monroe Co, NY | 2,015 | water by Honeoyo creek & Genesee river |
| Rush | T | Centre Co, PA | 371 | |
| Rush | PT | Susquehanna Co, PA | 1,159 | water by Wyalusing lake & Deer Lick creek |
| Rush | T | Northumberland Co, PA | 1,178 | |
| Rush | PT | Dauphin Co, PA | ||
| Rush | T | Schuylkill Co, PA | ||
| Rush | PT | Tuscarawas Co, OH | ||
| Rush | T | Champaign Co, OH | ||
| Rush | PO | Shiawassee Co, MI | ||
| Rush | PO | Jo-Daviess Co, IL | ||
| Rush Bottom | PO | Holt Co, MO | ||
| Rush Creek | PT | Fairfield Co, OH | 1,218 | |
| Rush Creek | PT | Logan Co, OH | 1,458 | |
| Rush Creek | PO | Union Co, OH | ||
| Rush Lake | PO | Fond du Lac Co, WI | ||
| Rush Tower | PO | Jefferson Co, MO | ||
| Rushford | PT | Alleghany Co, NY | 1,816 | water by Cold creek |
| Rushing Creek | PO | Benton Co, TN | ||
| Rushtown | PO | Northumberland Co, PA | ||
| Rushville | PV | Ontario Co, NY | water by West river | |
| Rushville | PV | Rush twp, Susquehanna Co, PA | ||
| Rushville | PV | Richland twp, Fairfield Co, OH | ||
| Rushville | PV, CH | Rush Co, IN | seat of justice, water by Big Flat Rock creeek | |
| Rushville | PV, CH | Scuyler Co, IL | 2,609 | seat of justice |
| Rushsylvania | PO | Logan Co, OH | ||
| Rusk | PO | Haywood Co, TN | ||
| Rusk | PO | Cherokee Co, TX | ||
| Rusk | PO | Surry Co, NC | ||
| Russell | PT | Hampden Co, MA | water by Westfield river | |
| Russell | PT | Lawrence Co, NY | 1,808 | water by West Canada creek |
| Russell | PT | Geauga Co, OH | 1,083 | |
| Russell | PT | Putnam Co, IN | ||
| Russell | PO | Atchison Co, MO | ||
| Russell Hill | PO | Wyoming Co, PA | ||
| Russell Place | PO | Kershaw dist, SC | ||
| Russell's Corners | PO | Sauk Co, WI | ||
| Russell's Mills | PO | Tyler Co, VA | ||
| Russell's Mills | PO | Parke Co, IN | ||
| Russell's Place | PO | Lawrence Co, OH | ||
| Russellsville | PV, CH | Franklin Co, AL | set of justice, water by Cedar creek | |
| Russellville | PV | Chester Co, PA | ||
| Russellville | PV | Byrd twp, Brown Co, OH | ||
| Russellville | PV | Putnam Co, IN | ||
| Russellville | PV | Lawrence Co, IL | water by Wabash river | |
| Russellville | PO | Monroe Co, GA | ||
| Russellville | PV, CH | Logan Co, KY | seat of justice | |
| Russellville | PO | Cole Co, MO | ||
| Russellville | PO | Jefferson Co, TN | ||
| Russelsburgh | PV | Pine Grove twp, Warren Co, PA | water by Conewango creek | |
| Russia | PT | Herkimer Co, NY | 2,349 | water by West Canada creek |
| Russia | PT | Lorain Co, OH | 2,061 | |
| Russiaville | PO | Clinton Co, IN | ||
| Rutersville | PO | Fayette Co, TX | ||
| Rutherfordtown | PV, CH | Rutherford Co, NC | seat of justice, water by tributary of Broad river | |
| Ruther Glenn | PO | Caroline Co, VA | ||
| Rutland | PT, CH | Rutland Co, VT | 3,715 | seat of justice, water by Otter creek |
| Rutland | PT | Worcester Co, MA | 1,223 | water by tributary of Ware river |
| Rutland | PT | Jefferson Co, NY | 2,265 | water by Sandy creek & Black river |
| Rutland | PT | Tioga Co, PA | 1,006 | |
| Rutland | PT | Meigs Co, OH | 1,748 | |
| Rutland | PO | Dane Co, WI | ||
| Rutledge | V | Conewango twp, Cattaraugus Co, NY | ||
| Rutledge | PV, CH | Grainger Co, TN | seat of justice | |
| Rutledge | PV, CH | McDonald Co, MO | seat of justice | |
| Ryan's Mills | PO | Washington Co, KY | ||
| Ryan's Store | PO | Montgomery Co, TN | ||
| Ryan's Well | PT | Itawamba Co, MS | ||
| Rye | PT | Rockingham Co, NH | 1,295 | water by Byram river |
| Rye | PT | Westchester Co, NY | 2,584 | |
| Rye | T | Perry Co, PA | ||
| Rye Cove | PO | Scott Co, VA | ||
| Rye Valley | PO | Smyth Co, VA | ||
| Ryegate | PT | Caledonia Co, VT | 1,606 | water by Connecticut & Wells rivers |
| Ryerson's Station | PO | Greene Co, PA | ||
| Ryland's Depot | PO | Greenville Co, VA |