1850 Atlas
| Name | What | Place | Pop | Other |
| Eolia | PO | Dane Co, WI | ||
| Eolia | PO | Tallapoosa Co, AL | ||
| Ephrata | PT | Fulton Co, NY | 2,079 | water by Garoga & Zimmerman's creek |
| Ephrata | PT | Lancaster Co, PA | 1,979 | |
| Epping | PT | Rockingham Co, NH | 1,663 | water by Lamprey & North rivers |
| Epsom | PT | Merrimack Co, NH | 1,366 | water by Suncook river |
| Equality | PV | Mecklenburg Co, NC | ||
| Equality | PO | Anderson dist, SC | ||
| Equality | T | Miller Co, MO | ||
| Equality | PV, CH | Gallatin Co, IL | 794 | water by Saline creek |
| Equality | PO | Coosa Co, AL | ||
| Equator | PO | Lee Co, IL | ||
| Equinunk | PO | Wayne Co, PA | ||
| Erasmus | PO | Lincoln Co, NC | ||
| Ercildown | PO | Chester Co, PA | ||
| Erie | PV, CH | Erie Co, PA | 5,858 | seat of justice, water by Presque Isle bay & Lake Erie |
| Erie | V | Green Co, AL | water by Black Warrior river | |
| Erie | T | Ottawa Co, OH | 222 | water by Portage river |
| Erie | PT | Monroe Co, MI | 1,144 | water by Vance river & Bay creek |
| Erie | PO | Whiteside Co, IL | ||
| Erie | PO | Roane Co, TN | ||
| Erie | PO | Camden Co, MO | ||
| Erieville | PV | Nelson twp, Madison Co, NY | ||
| Erine | PT | Chemung Co, NY | 1,833 | water byCayuta creek |
| Erine | PO | Merriweather Co, GA | ||
| Erine | PO | McHenry Co, IL | ||
| Erine | PO | Chicksaw Co, MS | ||
| Erine | PO | Jaser Co, TX | ||
| Erine Shades | PO | Henrico Co, VA | ||
| Errol | PT | Coos Co, NH | 138 | water by Androscoggin & Mogalloway river, Umbagog lake |
| Erwing | PT | Franklin Co, MA | 449 | water by Miller's & Connecticut rivers |
| Erwin | PT | Steuben Co, NY | 1,435 | water by Conhocton, Tioga & Cheumung rivers |
| Erwin Centre | PO | Erwin twp, Steuben Co, NY | ||
| Erwinna | PB | Bucks Co, PA | water by Delaware river | |
| Erwinsville | PV | Cleveland Co, NC | ||
| Erwinton | PO | Barnwell dist, SC | ||
| Echoheag | PO | Kent Co, RI | ||
| Esmond's Corners | PO | Calhoun Co, MI | ||
| Eson Hill | PO | Paulding Co, OH | ||
| Esopus | PT | Ulster Co, NY | 2,900 | water by Hudson, Wallkill & Rondout rivers |
| Esperance | PV | Schoharie twp, Schoharie Co, NY | 1,428 | |
| Espy | PV | Columbia Co, PA | water by Susquehanna river | |
| Espyville | PV | Crawford Co, PA | ||
| Essex | PT | Chittenden Co, VT | 2,052 | water by Onion, Brown's & Steven's rivers |
| Essex | PV | Essex Co, MA | 1,585 | water by Massachusetts bay |
| Essex | PV | Saybrook twp, Middlesex co, CT | 950 | water by Connecticut river |
| Essex | PT | Essex Co, NY | 2,351 | water by Booquet river & lake Champlain |
| Essex | PO | Clinton Co, MI | ||
| Essex | PO | Fulton Co, OH | ||
| Estalline Furnice | PO | Augusta Co, VA | ||
| Estelville | PO | Atlantic Co, NJ | ||
| Estillville | PV, CH | Scott Co, VA | seat of justice, water by Moccasin creek | |
| Estill's Mills | PO | Platte Co, MO | ||
| Etheridge | PO | Jones Co, GA | ||
| Etna | PT | Penbscot Co, ME | 802 | water by branch of Sebasticook river |
| Etna | PV | Dryden twp, Tompkins Co, NY | water by Fall creek | |
| Etna | PO | Hanover Co, VA | ||
| Etna | PO | Paulding Co, GA | ||
| Etna | PO | Lapeer Co, MI | ||
| Etna | PV | Lima twp, Licking Co, OH | 1,307 | |
| Etna | PO | Whitley Co, IN | ||
| Etna Centre | PO | Etna twp, Penobscot Co, ME | ||
| Etowah | PO | Cass Co, GA | ||
| Etters | PO | York Co, PA | ||
| Eubanks | PO | Columbia Co, GA | ||
| Euclid | PO | Clay twp, Onondaga Co, NY | ||
| Euclid | PT | Cuyahoga Co, OH | 1,034 | water by Lake Erie |
| Eufaula | PV | Barbour Co, AL | water by Chattahoochee river | |
| Eugene | PO | Vermilion Co, IN | water by Big Vermilion river | |
| Euharley | PO | Cass Co, GA | ||
| Eulalia | T | Potter Co, PA | 288 | water by east branch of Sinnemahony river |
| Eulogy | PO | Holmes Co, MS | ||
| Euphemia | PO | Preble Co, OH | ||
| Eureka | PO | Winnebago Co, WI | ||
| Eureka Mills | PO | Greene Co, OH | ||
| Eutaw | PV, CH | Greene Co, AL | seat of justice | |
| Eutaw | PO | De Soto Co, MS | ||
| Evans | PT | Erie Co, NY | 2,182 | water by Little & Big Sisters creeks & Lake Erie |
| Evansburgh | PV | Crawford Co, PA | ||
| Evansburgh | PO | Coshocton Co, OH | ||
| Evan's Mills | PO | Le Roy twp, Jefferson Co, NY | water by Pheasant creek | |
| Evans' Mills | PO | Chatham Co, NC | ||
| Evansport | PV | Defiance Co, OH | 165 | |
| Evansville | PV | Preston Co, VA | ||
| Evansville | PV, CH | Vanderburgh Co, IN | 3,663 | water by Ohio river |
| Evansville | PO | Washington Co, AR | ||
| Evansville | PO | Randolph Co, IL | ||
| Evansville | PO | Rock Co, WI | ||
| Evening Shade | PO | Lawrence Co, AR | ||
| Evergreen | PV | Anderson dist, SC | ||
| Evergreen | PO | Connecuh Co, AL | ||
| Everett's Spring | PO | Floyd Co, GA | ||
| Everettstown | PO | Hunterdon Co, NJ | ||
| Everettsville | PO | Wayne Co, NC | ||
| Everton | PV | Fayette Co, IN | ||
| Eversham | T | Burlington Co, NJ | 3,067 | water by Rancocus & Haines' creeks |
| Ewing | PO | Hocking Co, OH | ||
| Ewing | PO | Franklin Co, IL | ||
| Ewing | T | Franklin Co, MA | 449 | |
| Ewing | T | Mercer Co, NJ | 1,480 | |
| Ewing's Neck | PO | Cumberland Co, NJ | ||
| Ewington | PV, CH | Effingham Co, IL | water by Little Wabash river | |
| Ewington | PO | Galin Co, OH | ||
| Exchange | PO | Warren Co, NC | ||
| Exchangeville | PO | Mercer Co, PA | ||
| Exeter | PT | Penobscot Co, ME | 1,853 | water by tributaries of Kenduskeag river |
| Exeter | T | Washington Co, RI | 1,629 | water by Wood river |
| Exeter | PT | Otsego Co, NY | 1,526 | water by Butternut & Wharton's creeks |
| Exeter | PT | Luzerne Co, PA | 833 | water by Susquehanna river, Gardner's creek & Cascade run |
| Exeter | PT | Monroe Co, MI | 458 | |
| Exeter | T | Berks Co, PA | 2,074 | water by Manokesy & Roush creeks |
| Exeter | V | Scott Co, IL | water by Mauvaise Terre river | |
| Exeter | PO | Greene Co, WI | ||
| Exeter | PT | Rockingham Co, NH | 2,329 | water by Exeter or Swamscot river |
| Exeter Mills | PO | Penobscot Co, ME | ||
| Experiment Mills | PO | Monroe Co, PA |