1850 Atlas
| Name | What | Place | Pop | Other |
| Bickley's Mills | PO | Russell Co, VA | ||
| Biddeford | T | York Co, ME | 6,095 | water by Saco river |
| Bidwell's Bar | Po | Butts Co, CA | ||
| Big Bar | PO | Trinity Co, CA | ||
| Big Barren | PO | Claiborne Co, TN | ||
| Big Beaver | T | Beaver Co, PA | 922 | |
| Big Beaver | PT | Oakland Co, MI | ||
| Big Bend | PO | Venango Co, PA | ||
| Big Bend | PO | Gilmer Co, VA | ||
| Big Bend | PO | Waukesha Co, WI | ||
| Big Bend | PO | Avoyelles parish, LA | ||
| Big Blue | PO | Jackson Co, MO | ||
| Big Brook | PO | Western Twp, Oncida Co, NY | ||
| Big Cane | PO | St Laundry parish, LA | ||
| Big Cedar | PO | Jackson Co, MO | ||
| Big Clear Creek | PO | Greenbrier Co, PA | ||
| Big Clifty | PO | Hardin Co, KY | ||
| Big Coal | PO | Boone Co, VA | ||
| Big Creek | PO | Edgefield dist, SC | ||
| Big Creek | PO | Stokes Co, NC | ||
| Big Creek | PO | Forsyth Co, GA | ||
| Big Creek | PT | Phillips Co, AR | 677 | |
| Big Creek | PO | Fort Bend Co, TX | ||
| Big Creek | PO | Johnson Co, MO | ||
| Big Creek | PO | Rapides parish, LA | ||
| Big Creek | T | Van Buren Co, MO | ||
| Big Creek | PO | Steuben Co, NY | ||
| Big Creek | PO | Yallabusha Co, MS | ||
| Big Creek | T | Crawford Co, AR | 395 | |
| Big Creek | PO | Dale Co, AL | ||
| Big Creek | PO | Shelby Co, TN | ||
| Big Creek | T | Rives Co, MO | ||
| Big Equinunck | PO | Wayne Co, PA | ||
| Big Falls | PO | Orange Co, NY | ||
| Big Flats | PT | Chemung Co, NY | 1,709 | water by Chemung river |
| Big Foot Prairie | PO | Walworth Co, WI | ||
| Big Glades | PO | Russell Co, VA | ||
| Big Hill | PO | Madison Co, KY | ||
| Big Hollow | PO | Windham Twp, Greene Co, NY | ||
| Big Island | PO | Bedford Co, VA | ||
| Big Island | PT | Marion Co, OH | 600 | |
| Big Island | V | Big Island Twp, Marion Co, OH | ||
| Big Laurel | PO | Yancey Co, NC | ||
| Big Lick | PT | Hancock Co, OH | 1,008 | |
| Big Lick | PO | Roanoke Co, VA | ||
| Big Meadow | PO | Grayson Co, VA | ||
| Big Mills | PO | Dorchester Co, MD | ||
| Big Neck | PO | Adams Co, IL | ||
| Big Oak | PO | Kemper Co, MS | ||
| Big Otter | PO | Braxton Co, VA | ||
| Big Plain | PO | Madison Co, OH | ||
| Big Pond | PO | Fayette Co, AL | ||
| Big Prairie | T | New Madrid Co, MO | ||
| Big Prairie | PO | Clinton Tw, Wayne Co, OH | ||
| Big Ready | PO | Edmonson Co, KY | ||
| Big River | T | Jefferson Co, MO | ||
| Big River Mills | PO | St Francis Co, MO | ||
| Big Rock | PO | Sumter Co, AL | ||
| Big Rock | PT | Kane Co, IL | 496 | |
| Big Skin Creek | PO | Lewis Co, VA | ||
| Big Spring | PO | Wilson Co, TN | ||
| Big Spring | PO | Breckenridge Co, KY | ||
| Big Spring | PO | Montgomery Co, MO | ||
| Big Spring | T | Seneca Co, OH | 1,932 | |
| Big Spring | PO | LaPorte Co, IN | ||
| Big Spring | PO | Marshall Co, AL | ||
| Big Spring | PO | Pocahontas Co, VA | ||
| Big Spring | PO | Cumberland Co, PA | ||
| Big Spring | PO | Ottawa Co, MI | ||
| Big Spring | PO | Shelby Co, IL | ||
| Big Spring Point | PV | Starkey Twp, Yates Co, NY | ||
| Big Swamp | PO | Bladen Co, NC | ||
| Big Tree Corners | PO | Erie Co, NY | ||
| Big Valley | PO | Anderson Co, TN | ||
| Big Wanhoo | PO | Hall Co, GA | ||
| Big Woods | PO | Dupage Co, IL | ||
| Bigby Fork | PO | Monroe Co, MS | ||
| Bigbyville | PO | Maury Co, TN | ||
| Bigelow's Mills | PO | LaPorte Co, IN | ||
| Billerica | PT | Middlesex Co, MA | 1,646 | water by Concord & Shawshee rivers |
| Billing's Grove | PO | Livingston Co, IL | ||
| Billingsville | PO | Union Co, IN | ||
| Biloxi | PO | Newton Co, TX | ||
| Biloxi | PV | Harrison Co, MS | on Biloxi bay | |
| Bilton | PO | Logan Co, VA | ||
| Bingham | PT | Somerset Co, ME | 752 | water by Kennebec river |
| Bingham | PT | Potter Co, PA | 584 | |
| Bingham | PT | Clinton Co, MI | ||
| Binghampton | PV, CH | Chenango Twp, Broome Co, NY | seat of justice, water by Chenango & Susquehanna rivers | |
| Binghampton | PO | Lee Co, IL | ||
| Birch Pond | PO | Crawford Co, MS | ||
| Birch Pond | PO | Fayette Co, TN | ||
| Birch River | PO | Nicholas Co, VA | ||
| Birchardville | PO | Susquehanna Co, PA | ||
| Birchettsville | PO | Cleveland Co, NC | ||
| Bird | PO | Hillsdale Co, MI | ||
| Birdsall | PT | Alleghany Co, NY | water by Black creek | |
| Birdsborough | PO | Berks Co, PA | ||
| Birdsville | PV | Burke Co, GA | ||
| Birdsville | PO | Tarrant Co, TX | ||
| Bird's Run | PO | Guernsey Co, OH | ||
| Birmingham | PB | Warrior Mark Twp, Huntingdon Co, PA | 266 | water by Little Juniata river |
| Birmingham | T | Delaware Co, PA | 566 | |
| Birmingham | T | Chester Co, PA | 328 | |
| Birmingham | PV | Florence Twp, Erie Co, OH | water by Vermilion river | |
| Birmingham | PV | Oakland Co, MI | water by Rouge river | |
| Birmingham | B | St Clair Twp, Alleghany Co, PA | 3,742 | |
| Birmingham | PO | Jackson Co, AL | ||
| Birmingham | PO | Pontotoc Co, MA | ||
| Birmingham | PO | Marshall Co, KY | ||
| Birmingham | PO | Schuyler Co, IL | ||
| Birmingham | PO | Van Buren Co, IA | ||
| Bishop Hill | PO | Henry Co, IL | ||
| Bishopsville | PV | Sumter dist, SC | ||
| Bissell | PO | Calhoun Co, IL | ||
| Bissell | PO | Grant Co, IN | (now Trask.) | |
| Bissell's | PO | Geauga Co, OH | ||
| Bivingsville | PO | Spartanburgh dist, SC | ||
| Black | T | Posey Co, IN | 2,376 | |
| Black Bird | PO | New Castle Co, DE | ||
| Black Brook | PT | Clinton Co, NY | 2,525 | water by Saramac & Au Sable rivers & Black Brook |
| Black Creek | PC | New Hudson Twp, Alleghany Co, NY | ||
| Black Creek | PO | Wayne Co, NC | ||
| Black Creek | PO | Luzerne Co, PA | ||
| Black Creek | PO | Holmes Co, OH | ||
| Black Creek | PO | Scriven Co, GA | ||
| Black Creek | T | Mercer Co, OH | ||
| Black Creek | PO | Sullivan Co, IN | ||
| Black Creek | PO | Marquette Co, WI | ||
| Black Face | PO | Nottaway Co, VA | ||
| Black Hawk | PO | Beaver Co, PA | ||
| Black Hawk | PO | Carroll Co, MS | ||
| Black Hawk | PO | Holt Co, MO | ||
| Black Hawk | T | Shelby Co, IN | ||
| Black Hill | PO | Kaufman Co, TX | ||
| Black Hole | PO | Lycoming Co, PA | ||
| Black Horse | PO | Middlesex Co, NJ | ||
| Black Horse | PO | Chester Twp, Chester Co, PA | ||
| Black Horse | PO | Harford Co, MD | ||
| Black Jack | PO | Scott Co, AR | ||
| Black Jack | PO | DeSoto parish, LA | ||
| Black Jack Grove | PO | Hopkins Co, TX | ||
| Black Jack Valley | PO | Spartanburgh dist, SC | ||
| Black Lake | PO | St Lawrence Co, NY | ||
| Black Land | PO | Tishamingo Co, MS | ||
| Black Legs | PO | Indiana Co, PA | ||
| Black Lick | PT | Indiana Co, PA | ||
| Black Mingo | PO | Williamsburgh dist, SC | ||
| Black Oak | PO | Charleston dist, SC | ||
| Black Oak | PO | Tallahatchie Co, MS | ||
| Black Oak Grove | PO | Hardeman Co, TN | ||
| Black Oak Point | PO | Hickory Co, MO | ||
| Black River | PT | Lorain Co, OH | water by Black river & Lake Erie | |
| Black River | V | Black River Twp, Lorain Co, OH | ||
| Black River | T | St Francis Co, MO | ||
| Black River | T | Wayne Co, MO | ||
| Black River | T | Washington Co, MO | ||
| Black River | T | Independence Co, AR | ||
| Black River | T | Lawrence Co, AR | ||
| Black River | PO | Jefferson Co, NY | ||
| Black River | PO | Ottawa Co, MI | (now Holland) | |
| Black River Chapel | PO | New Hanover Co, NC | ||
| Black River Falls | PO | Crawford Co, WI | ||
| Black Rock | PT | Erie Co, NY | 7,508 | water by Lake Erie & Niagara river |
| Black Rock | PV | Black Rock Twp, Erie Co, NY | ||
| Black Rock | PO | Rappahannock Co, VA | ||
| Black Swamp | PO | Sandusky Co, OH | ||
| Black Walnut | PO | Halifax Co, VA | ||
| Black Wolf | PO | Winnebago Co, WI | ||
| Blackberry | PO | Kane Co, IL | ||
| Blackford | PV, CH | Hartford Twp, Blackford Co, IN | seeat of justice | |
| Blackford | PO | Hancock Co, KY | ||
| Blackheath | PO | Chesterfield Co, VA | ||
| Blackleysville | PV | Plain Twp, Wayne Co, OH | ||
| Blacklysville | PO | Wyane Co, OH | ||
| Blacks | PO | Waldo Co, ME | ||
| Blacks and Whites | PO | Nottaway Co, VA | ||
| Black's Bluff | PO | Wilcox Co, AL | ||
| Black's Store | PO | Tippah Co, MS | ||
| Blacksburgh | PO | Montgomery Co, VA | ||
| Blackshires | PO | Marion Co, VA | ||
| Blacksnake Hills | PO | Buchanan Co, MO | ||
| Blackstocks | PO | Chester dist, SC | ||
| Blackstone | PO | Worcester Co, MA | ||
| Blacksville | PV | Monogalia Co, VA | water by Robert's Run & Drunkard's creek | |
| Blacksville | PO | Barnwell dist, SC | ||
| Blackwater | PO | Sussex Co, VA | ||
| Blackwater | T | Petitis Co, MO | ||
| Blackwater | PT | Morgan Co, KY | ||
| Blackwater | PO | Kemper Co, MS | ||
| Blackwater | PO | Johnson Co, MO | ||
| Blackwell's | PO | Caswell Co, NC | ||
| Blackwoodtown | PO | Camden Co, NJ |