1850 Atlas
| Name | What | Place | Pop | Other |
| Jericho | PO | Perry Co, AL | ||
| Jericho | PT | Chittenden Co, VT | 1,837 | water by Brown's, Onion & other rivers |
| Jericho | PV | Oyster Bay twp, Queen's Co, Long Island, NY | ||
| Jericho | PV | Wayne Co, NC | ||
| Jericho | PO | Kane Co, IL | ||
| Jericho Centre | PV | Jericho twp, Chittenden Co, VT | ||
| Jernigan | PO | Orange Co, FL | ||
| Jerome | PT | Union Co, OH | 881 | |
| Jerome | PO | Howard Co, IN | ||
| Jeromesville | PV | Mohican twp, Ashland Co, OH | ||
| Jersey | V | Bradford twp, Steuben Co, NY | water by Mead creek | |
| Jersey | PO | Licking Co, OH | ||
| Jersey | PO | Oakland Co, MI | ||
| Jersey City | City | Hudson Co, NJ | 6,856 | water by Hudson river |
| Jersey Settlement | PO | Davidson Co, NC | ||
| Jersey Shore | PB | Mifflin twp, Lycoming Co, PA | 632 | water by west branch of Susquehanna river & Pennsylvania canal |
| Jerseytown | PV | Madison twp, Montour Co, PA | ||
| Jerseyville | PV, CH | Jersey Co, IL | seat of justice | |
| Jerusalem | PT | Yates Co, NY | 2,912 | water by west branch of Crooked lake |
| Jerusalem | PV | Southampton Co, VA | seat of justice | |
| Jerusalem | PO | Davie Co, NC | ||
| Jerusalem | PO | Monroe Co, OH | ||
| Jerusalem Mills | PO | Harford Co, MD | ||
| Jerusalem South | PV | Hempstead twp, Queen's Co, Long Island, NY | ||
| Jesse's Store | PO | Shelby Co, KY | ||
| Jessamine | T | Clark Co, MO | ||
| Jessup's Landing | V | Corinth twp, Saratoga Co, NY | water by Hudson river | |
| Jetersville | PO | Amelia Co, VA | ||
| Jewell Hill | PO | Madison Co, NC | ||
| Jewett | PT | Greene Co, NY | 1,452 | |
| Jewett Centre | PO | Greene Co, NY | ||
| Jewett City | PV | Griswold twp, New London Co, CT | water by Quinnebaug & Patchaug rivers | |
| Jim Town | PO | Monogalia Co, VA | ||
| Joanna Furnace | PO | Berks Co, PA | ||
| Joachim | T | Jefferson Co, MO | ||
| Jobe | PO | Oregon Co, MO | ||
| Jobstown | PV | Springfield twp, Burlington Co, NJ | ||
| John's | PO | Liberty Co, TX | ||
| Johnsburgh | PT | Warren Co, NY | 1,824 | water by Hudson river |
| Johnson | PT | Lamoille Co, VT | water by Lamillo river | |
| Johnson | B | Cambria Co, PA | 1,269 | |
| Johnson | T | Champaign Co, OH | 1,553 | |
| Johnson | T | Brown Co, IN | 418 | |
| Johnson | PT | Gibson Co, IN | 1,568 | |
| Johnson | T | Barry Co, MI | 451 | |
| Johnson | T | Union Co, AR | 1,625 | |
| Johnson | T | Licking Co, OH | ||
| Johnson | PT | Trumbull Co, OH | 1,099 | |
| Johnson | PT | La Grange Co, IN | 878 | |
| Johnson | T | Scotland Co, MO | 538 | |
| Johnson | T | Washington Co, MO | 462 | |
| Johnson | T | Crawford Co, MO | ||
| Johnson | PO | Floyd Co, GA | ||
| Johnson | PO | McDonough Co, IL | ||
| Johnson | PO | Washington Co, MO | ||
| Johnsonburgh | PV | Hardwick twp, Warren Co, NJ | water by Bear branch of Pequest creek | |
| Johnsonburgh | PO | Orangeville twp, Wyoming Co, NY | ||
| Johnson's | PO | Montgomery Co, TN | ||
| Johnson's Corner | PO | Summit Co, OH | ||
| Johnson's Creek | PO | Niagara Co, NY | ||
| Johnson's Forks | PO | Morgan Co, KY | ||
| Johnson's Mills | PO | Clark Co, IL | ||
| Johnson's Mills | PO | Pitt Co, NC | ||
| Johnson's Springs | PO | Goochland Co, VA | ||
| Johnson's Station | PO | Tarrant Co, TX | ||
| Johnsontown | PO | Northampton Co, VA | ||
| Johnsonville | PV | Cumberland Co, NC | ||
| Johnsonville | PO | Johnson twp, Trumbull Co, OH | ||
| Johnsonville | PO | Williamsburgh dist, SC | ||
| Johnston | T | Providence Co, RI | water by Powchasset & Wanasquattuck rivers, Cedar brook | |
| Johnston | PO | Poinsett Co, AR | ||
| Johnstonville | PO | Monroe Co, GA | ||
| Johnstown | PT, CH | Fulton Co, NY | 6,131 | seat of justice, water byGaroga & Cuyadutta creeks |
| Johnstown | PB | Connemaugh twp, Cambria Co, PA | 1,269 | water by Stony creek & Little Connemaugh river |
| Johnstown | PV | Monroe Twp, Licking Co, OH | ||
| Johnstown | PT | Barry Co, MI | 451 | |
| Johnstown | PT | Rock Co, WI | ||
| Johnstown Centre | PO | Rock Co, WI | ||
| Johnsville | PV | Frederick Co, MD | ||
| Johnsville | PO | Montgomery Co, OH | ||
| Joliet | PT | Will Co, IL | 2,659 | seat of justice, water by Des Plaines river, Illinois & Michigan canals |
| Jolly | PT | Washington Co, OH | 1,014 | |
| Jollytown | PO | Greene Co, PA | ||
| Jonathan's Creek | PO | Haywood Co, NC | ||
| Jones | T | Hancock Co, IN | ||
| Jones | PO | Panola Co, TX | ||
| Jones' Bluff | PO | Sumter Co, AL | ||
| Jones' Creek | PO | Randolph Co, IL | ||
| Jones' Creek | PO | Liberty Co, GA | ||
| Jones' Mills | PO | Yallabusha Co, MS | ||
| Jones' Mills | PO | McNairy Co, TN | ||
| Jones' Mills | PO | Meriwether Co, GA | ||
| Jones' Mills | PO | Westmoreland Co, PA | ||
| Jones' Nursery | PO | Clark Co, KY | ||
| Jones' Spring | PO | Berkley Co, VA | ||
| Jones' Tan Yard | PO | Callaway Co, MO | ||
| Jonesborough | PT | Washington Co, ME | 466 | water by Englishman's bay & Chandler's river |
| Jonesborough | PO | Brunswick Co, VA | ||
| Jonesborough | PO | Jefferson Co, AL | ||
| Jonesborough | PV, CH | Union Co, IL | 230 | seat of justice |
| Jonesborough | PO | Grant Co, IN | ||
| Jonesborough | PO | Fayette Co, GA | ||
| Jonesborough | PO | Saline Co, MO | ||
| Jonesborough | PV, CH | Washington Co, TN | seat of justice, water by Little Limestone creek | |
| Jonesport | T | Washington Co, ME | 826 | water by Englishman's & Addison's bays |
| Jonestown | PV | Lebanon Co, PA | water by Great & Little Swatara creeks | |
| Jonesville | PV | Clifton park twp, Saratoga Co, NY | water by Hudson river & Erie canal | |
| Jonesville | PV, CH | Lee Co, VA | water by tributary of Powell's river | |
| Jonesville | PV | Surry Co, NC | ||
| Jonesville | PV | Ninon dist, SC | ||
| Jonesville | PV | Salem twp, Monroe Co, OH | ||
| Jonesville | PV | Hillsdale Co, MI | 565 | seat of justice, water by St Joseph's river |
| Jonesville | PO | Harrison Co, TX | ||
| Jonesville | PO | Chittenden Co, VT | ||
| Jordan | PV | Elldridge twp, Onondaga Co, NY | on the Erie canal | |
| Jordan's Mills | PO | Orangeburgh dist, SC | ||
| Jordan's Prairie | PO | Jefferson Co, IL | ||
| Jordan's Saline | PV, CH | Van Zant Co, TX | seat of justice | |
| Jordan's Store | PO | Williamson Co, TX | ||
| Jordan's Valley | PO | Rutherford Co, TN | ||
| Jordansville | PO | Herkimer Co, NY | ||
| Jordon | T | Clearfield Co, PA | 612 | |
| Jasco | PO | Livingston Co, MI | ||
| Josephine | PO | Woodford Co, IL | ||
| Joy | PO | Wayne Co, NY | ||
| Joy's Mills | PO | Burke Co, GA | ||
| Joyner's Depot | PO | Edgecombe Co, NC | ||
| Juda | PO | Greene Co, WI | ||
| Julia Dean | PO | Davidson Co, TN | ||
| Juliann Furnace | PO | Centre Co, PA | ||
| Julian's Gap | PO | Hamilton Co, TN | ||
| Juliustown | PV | Springfield twp, Burlington Co, NJ | ||
| Junction | PO | Hanover Co, VA | ||
| Junction | PO | Du Page Co, IL | ||
| Junction | PO | Schagticoke twp, Rensselaer Co, NY | ||
| Junction | PO | Yuba Co, CA | ||
| Junction | PO | Paulding Co, OH | ||
| Junction Store | PO | Botetourt Co, VA | ||
| Junean | PO | Dodge Co, WI | ||
| Juniata | PT | Perry Co, PA | 1,435 | water by Raccoon, Buffalo & Little Buffalo creeks |
| Juiata Crossings | PO | Bedford Co, PA | ||
| Junior | PO | Scioto Co, OH | ||
| Junius | PT | Seneca Co, NY | 1,516 | |
| Juno | PO | Lumpkin Co, GA | ||
| Juno | PO | Henderson Co, TN | ||
| Justus' Mills | PO | Hempstead Co, AR |