| Bayfield | 15,000 | Washburn | Wisconsin | Green Bay, WI-Duluth, MN | View → |
| Baylor | 3,600 | Seymour | Texas | Wichita Falls, TX | View → |
| Beadle | 19,000 | Huron | South Dakota | Sioux Falls-Rapid City, SD | View → |
| Bear Lake | 6,800 | Montpelier | Idaho | Salt Lake City, UT | View → |
| Beaufort | 46,500 | Washington | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Beaufort | 200,000 | Beaufort | South Carolina | Savannah-Augusta, GA | View → |
| Beauregard | 37,000 | DeRidder | Louisiana | New Orleans-Baton Rouge, LA | View → |
| Beaver | 5,300 | Beaver | Oklahoma | Amarillo, TX | View → |
| Beaver | 163,000 | Beaver | Pennsylvania | Pittsburgh-Erie, PA | View → |
| Beaver | 7,300 | Beaver | Utah | Salt Lake City, UT | View → |
| Beaverhead | 10,000 | Dillon | Montana | Missoula-Billings-Butte, MT | View → |
| Becker | 36,000 | Detroit Lakes | Minnesota | Fargo, ND | View → |
| Beckham | 22,500 | Elk City | Oklahoma | Oklahoma City, OK | View → |
| Bedford | 47,000 | Bedford | Pennsylvania | Johnstown-Altoona-State College, PA | View → |
| Bedford | 49,000 | Shelbyville | Tennessee | Nashville, TN | View → |
| Bedford | 80,000 | Bedford | Virginia | Roanoke-Harrisonburg, VA | View → |
| Bee | 33,100 | Beeville | Texas | San Antonio-Corpus Christi, TX | View → |
| Belknap | 63,000 | Laconia | New Hampshire | Boston-Springfield, MA | View → |
| Bell | 380,000 | Killeen | Texas | Austin-Waco, TX | View → |
| Bell | 27,000 | Pineville | Kentucky | Knoxville-Chattanooga, TN | View → |
| Belmont | 66,300 | St. Clairsville | Ohio | Wheeling-Clarksburg-Parkersburg, WV | View → |
| Beltrami | 47,000 | Bemidji | Minnesota | Minneapolis-St. Paul, MN | View → |
| Ben Hill | 17,000 | Fitzgerald | Georgia | Macon-Columbus, GA | View → |
| Benewah | 9,500 | St. Maries | Idaho | Spokane, WA | View → |
| Bennett | 3,400 | Martin | South Dakota | Sioux Falls-Rapid City, SD | View → |
| Bennington | 36,000 | Bennington | Vermont | Albany-Utica-Elmira, NY | View → |
| Benson | 6,500 | Minnewaukan | North Dakota | Fargo, ND | View → |
| Bent | 5,800 | Las Animas | Colorado | Denver-Colorado Springs, CO | View → |
| Benton | 25,000 | Vinton | Iowa | Cedar Rapids, IA | View → |
| Benton | 8,500 | Fowler | Indiana | Indianapolis-Fort Wayne, IN | View → |
| Benton | 8,000 | Ashland | Mississippi | Memphis, TN | View → |
| Benton | 41,000 | Sauk Rapids | Minnesota | Minneapolis-St. Paul, MN | View → |
| Benton | 16,500 | Camden | Tennessee | Nashville, TN | View → |
| Benton | 94,000 | Corvallis | Oregon | Portland, OR | View → |
| Benton | 210,000 | Kennewick | Washington | Seattle, WA | View → |
| Benton | 19,500 | Warsaw | Missouri | Springfield, MO | View → |
| Benton | 311,000 | Bentonville | Arkansas | Tulsa, OK-Fort Smith, AR | View → |
| Benzie | 18,000 | Frankfort | Michigan | Traverse City, MI | View → |
| Bergen | 936,692 | Hackensack | New Jersey | New York, NY | View → |
| Berkeley | 250,000 | Moncks Corner | South Carolina | Charleston-Florence, SC | View → |
| Berkeley | 132,000 | Martinsburg | West Virginia | Washington, DC | View → |
| Berks | 428,000 | Reading | Pennsylvania | Philadelphia, PA | View → |
| Berkshire | 125,000 | Pittsfield | Massachusetts | Albany-Utica-Elmira, NY | View → |
| Bernalillo | 690,000 | Albuquerque | New Mexico | Albuquerque, NM | View → |
| Berrien | 155,000 | Niles | Michigan | Chicago, IL | View → |
| Berrien | 18,500 | Nashville | Georgia | Jacksonville-Tallahassee, FL | View → |
| Bertie | 18,500 | Windsor | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Bexar | 2,050,000 | San Antonio | Texas | San Antonio-Corpus Christi, TX | View → |
| Bibb | 22,300 | Centreville | Alabama | Birmingham-Huntsville, AL | View → |
| Bibb | 150,600 | Macon | Georgia | Macon-Columbus, GA | View → |
