| State Name | County Name | City |
|---|---|---|
| Montana | Yellowstone | Billings |
| Mississippi | Harrison | Biloxi |
| New York | Broome | Binghamton |
| New York | Broome | Binghamton University |
| Washington | Whatcom | Birch Bay |
| Pennsylvania | Berks | Birdsboro |
| Alabama | Jefferson | Birmingham |
| Michigan | Oakland | Birmingham |
| Pennsylvania | Chester | Birmingham |
| Arizona | Cochise | Bisbee |
| Florida | Miami-Dade | Biscayne Park |
| North Carolina | Montgomery | Biscoe |
| California | Inyo | Bishop |
| Texas | Nueces | Bishop |
| South Carolina | Lee | Bishopville |
| North Dakota | Burleigh | Bismarck |
| Florida | Orange | Bithlo |
| Oklahoma | Tulsa | Bixby |
| Arizona | Yavapai | Black Canyon City |
| Washington | King | Black Diamond |
| Colorado | El Paso | Black Forest |
| Missouri | St. Louis | Black Jack |
| North Carolina | Buncombe | Black Mountain |
| Wisconsin | Jackson | Black River Falls |
| Idaho | Bingham | Blackfoot |
| California | Contra Costa | Blackhawk |
| South Dakota | Meade | Blackhawk |
| Ohio | Franklin | Blacklick Estates |
| Virginia | Montgomery | Blacksburg |
| Georgia | Pierce | Blackshear |
| Massachusetts | Worcester | Blackstone |
| Oklahoma | Kay | Blackwell |
| New Jersey | Camden | Blackwood |
| Maryland | Prince George's | Bladensburg |
| Minnesota | Anoka | Blaine |
| Washington | Whatcom | Blaine |
| Nebraska | Washington | Blair |
| Pennsylvania | Blair | Blair |
| New Jersey | Warren | Blairstown |
| Pennsylvania | Indiana | Blairsville |
| Georgia | Early | Blakely |
| Louisiana | Caddo | Blanchard |
| Oklahoma | McClain | Blanchard |
| Ohio | Clinton | Blanchester |
| Utah | San Juan | Blanding |
| Pennsylvania | Berks | Blandon |
| New York | Rockland | Blauvelt |
| West Virginia | Wood | Blennerhassett |
| Massachusetts | Bristol | Bliss Corner |
| Michigan | Lenawee | Blissfield |
| Wisconsin | Chippewa | Bloomer |
| Connecticut | Hartford | Bloomfield |
| New Jersey | Essex | Bloomfield |
| New Mexico | San Juan | Bloomfield |
| Wisconsin | Walworth | Bloomfield |
| Michigan | Oakland | Bloomfield Hills |
| New York | Orange | Blooming Grove |
| Pennsylvania | Pike | Blooming Grove |
| Florida | Hillsborough | Bloomingdale |
| New Jersey | Passaic | Bloomingdale |
| Tennessee | Sullivan | Bloomingdale |
| Illinois | McLean | Bloomington |
| Indiana | Monroe | Bloomington |
| Minnesota | Hennepin | Bloomington |
| Pennsylvania | Columbia | Bloomsburg |
| Florida | Calhoun | Blountstown |
| Tennessee | Sullivan | Blountville |
| Ohio | Hamilton | Blue Ash |
| Pennsylvania | Montgomery | Blue Bell |
| Minnesota | Faribault | Blue Earth |
| Connecticut | Hartford | Blue Hills |
| Illinois | Cook | Blue Island |
| New York | Suffolk | Blue Point |
| Virginia | Botetourt | Blue Ridge |
| Missouri | Jackson | Blue Springs |
| Virginia | Tazewell | Bluefield |
| West Virginia | Mercer | Bluefield |
| Utah | Salt Lake | Bluffdale |
| Indiana | Wells | Bluffton |
| Ohio | Allen | Bluffton |
| South Carolina | Beaufort | Bluffton |
| California | Riverside | Blythe |
| Arkansas | Mississippi | Blytheville |
| South Carolina | Richland | Blythewood |
| Pennsylvania | Centre | Boalsburg |
| Ohio | Mahoning | Boardman |
| Oregon | Morrow | Boardman |
| Alabama | Marshall | Boaz |
| Florida | Palm Beach | Boca Raton |
| Texas | Kendall | Boerne |
| Louisiana | Washington | Bogalusa |
| Pennsylvania | Centre | Boggs |
| New Jersey | Bergen | Bogota |
| New York | Suffolk | Bohemia |
| North Carolina | Brunswick | Boiling Spring Lakes |
| North Carolina | Cleveland | Boiling Springs |
| Virginia | Nottoway | Blackstone |
| Pennsylvania | Lackawanna | Blakely |
| Illinois | DuPage | Bloomingdale |
| California | San Bernardino | Bloomington |
