1850 Atlas
| Name | What | Place | Pop | Other |
| Jacinto | PV, CH | Tishemingo CO, MS | water by sources of Tuscumbia creek | |
| Jack's Creek | PO | Henderson Co, TN | ||
| Jack's Forks | PO | Texas Co, MO | ||
| Jack's Reef | PO | Elbridge twp, Onondaga Co, NY | ||
| Jackson | PT | Waldo Co, ME | 883 | water by tributaries of Marsh river |
| Jackson | PT | Coos Co, NH | 589 | water by tributaries of Ellis' river |
| Jackson | PT | Washington Co, NY | 2,129 | |
| Jackson | T | Northumberland Co, PA | 1,935 | |
| Jackson | T | Dauphin Co, PA | water by Armstrong's & Powell's creeks | |
| Jackson | T | Lycoming Co, PA | 407 | |
| Jackson | PT | Susquehanna Co, PA | 978 | water by Lackawannock & Tunkhannock creeks |
| Jackson | T | Columbia Co, PA | 374 | water by tributaries of Fishery creek |
| Jackson | T | Greene Co, PA | 1,252 | |
| Jackson | T | Lebanon Co, PA | 2,857 | water by Tulpehocken & Swatara creeks, Union canal |
| Jackson | T | Tioga Co, PA | water by Mill & Seely's creeks | |
| Jackson | T | Cambria Co, PA | 832 | |
| Jackson | PV, CH | Lick twp, Jackson Co, OH | 482 | seat of justice |
| Jackson | PT | Preble Co, OH | 1,406 | |
| Jackson | T | Montgomery Co, OH | 2,012 | |
| Jackson | PT | Monroe Co, OH | 1,163 | |
| Jackson | T | Wayne Co, OH | ||
| Jackson | PT | Sandusky Co, OH | 1,092 | |
| Jackson | T | Muskingum Co, OH | 1,233 | |
| Jackson | T | Union Co, OH | 436 | |
| Jackson | T | Starke Co, OH | 1,517 | |
| Jackson | T | Wood Co, OH | 74 | |
| Jackson | T | Trumbull Co, OH | 1,079 | |
| Jackson | T | Allen Co, OH | 1,175 | |
| Jackson | T | Shelby Co, OH | 705 | |
| Jackson | T | Brown Co, OH | ||
| Jackson | T | Champaign Co, OH | 1,735 | |
| Jackson | T | Clermont Co, OH | 1,241 | |
| Jackson | T | Seneca Co, OH | 995 | |
| Jackson | T | Coshocton Co, OH | 829 | water by Muskingum river |
| Jackson | T | Crawford Co, OH | 1,711 | |
| Jackson | T | Franklin Co, OH | 1,550 | water by Scioto river |
| Jackson | T | Drake Co, OH | 565 | |
| Jackson | T | Guernsey Co, OH | 1,192 | |
| Jackson | T | Hancock Co, OH | 830 | |
| Jackson | T | Hardin Co, OH | 530 | |
| Jackson | T | Highland Co, OH | 1,449 | |
| Jackson | T | Hocking Co, OH | ||
| Jackson | T | Jackson Co, OH | 1,195 | |
| Jackson | T | Knox Co, OH | 1,080 | water by Wakatomica creek |
| Jackson | T | Morgan Co, OH | 1,249 | |
| Jackson | PT | Perry Co, OH | 1,740 | |
| Jackson | T | Pickaway Co, OH | 1,042 | |
| Jackson | T | Pike Co, OH | ||
| Jackson | PV | Elkhart Co, IN | 991 | |
| Jackson | T | Brown Co, IN | 1,098 | |
| Jackson | T | Clay Co, IN | 735 | |
| Jackson | T | Dearborn Co, IN | 916 | |
| Jackson | T | Fayette Co, IN | 1,283 | |
| Jackson | T | Fountain Co, IN | 1,170 | |
| Jackson | T | Hamilton Co, IN | 1,800 | |
| Jackson | T | Hancock Co, IN | 677 | |
| Jackson | T | Orange Co, IN | 687 | |
| Jackson | T | Owen Co, IN | 981 | |
| Jackson | T | Putnam Co, IN | ||
| Jackson | T | Randolph Co, IN | ||
| Jackson | T | Ripley Co, IN | 887 | |
| Jackson | T | Rush Co, IN | 887 | |
| Jackson | T | Shelby Co, IN | 1,181 | |
| Jackson | T | Tippecanoe Co, IN | 966 | |
| Jackson | T | Steuben Co, IN | 594 | |
| Jackson | T | Washington Co, IN | 2,806 | |
| Jackson | V | Wayne Co, IN | 752 | |
| Jackson | PT, CH | Jackson Co, MI | 4,147 | seat of justice, water by Grand River |
| Jackson | PO | Louisa Co, VA | ||
| Jackson | PV, CH | Jackson Co, VA | seat of justice | |
| Jackson | PV | Northampton Co, NC | ||
| Jackson | PV, CH | Butts Co, GA | water by Ocmulgee river | |
| Jackson | PV | Clark Co, AL | ||
| Jackson | PV, CH | Jackson Co, MS | ||
| Jackson | City | Hinds Co, MS | blank | seat of justice, State Capital |
| Jackson | PV, CH | East Feliciana parish, LA | seat of justice, water by Thompson's creek, seat of Louisiana College | |
| Jackson | PV, CH | Madison Co, TN | seat of justice, water by Forked Deer river | |
| Jackson | PV, CH | Cape Girardeau Co, MO | seat of justice, water by White Water river | |
| Jackson | T | Johnson Co, MO | 2,256 | |
| Jackson | T | Livingston Co, MO | ||
| Jackson | T | Adair Co, MO | 1,502 | |
| Jackson | T | Buchanan Co, MO | 584 | |
| Jackson | PT | Greene Co, MO | 1,972 | |
| Jackson | T | St Genevieve Co, MO | 546 | |
| Jackson | T | Osage Co, MO | 943 | |
| Jackson | T | Clarke Co, MO | ||
| Jackson | V | Lawrence Co, AR | ||
| Jackson | T | Dallas Co, AR | 910 | |
| Jackson | T | Sevier Co, AR | 856 | |
| Jackson | T | Union Co, AR | 796 | |
| Jackson | PO | Stephenson Co, IL | ||
| Jackson | PV, CH | Breathitt Co, KY | seat of justice | |
| Jackson | PV, CH | Calaveras Co, CA | seat of justice |