| Lea | 73,000 | Hobbs | New Mexico | Albuquerque, NM | View → |
| Leake | 23,000 | Carthage | Mississippi | Jackson, MS | View → |
| Leavenworth | 81,000 | Leavenworth | Kansas | Kansas City, MO | View → |
| Lebanon | 144,500 | Lebanon | Pennsylvania | Harrisburg, PA | View → |
| Lee | 17,300 | Giddings | Texas | Austin-Waco, TX | View → |
| Lee | 34,000 | Dixon | Illinois | Chicago, IL | View → |
| Lee | 16,500 | Bishopville | South Carolina | Columbia, SC | View → |
| Lee | 7,200 | Beattyville | Kentucky | Lexington-Bowling Green, KY | View → |
| Lee | 183,200 | Auburn | Alabama | Macon-Columbus, GA | View → |
| Lee | 32,000 | Leesburg | Georgia | Macon-Columbus, GA | View → |
| Lee | 9,000 | Marianna | Arkansas | Memphis, TN | View → |
| Lee | 32,000 | Fort Madison | Iowa | Ottumwa, IA | View → |
| Lee | 62,000 | Sanford | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Lee | 825,400 | Fort Myers | Florida | Tampa, FL | View → |
| Lee | 23,000 | Jonesville | Virginia | Tri-Cities, TN/VA | View → |
| Lee | 85,000 | Tupelo | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Leelanau | 23,000 | Suttons Bay | Michigan | Traverse City, MI | View → |
| Leflore | 29,000 | Greenwood | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Lehigh | 374,000 | Allentown | Pennsylvania | Philadelphia, PA | View → |
| Lemhi | 8,100 | Salmon | Idaho | Boise-Pocatello, ID | View → |
| Lenawee | 99,000 | Adrian | Michigan | Detroit, MI-Toledo, OH | View → |
| Lenoir | 56,000 | Kinston | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Leon | 17,000 | Centerville | Texas | Austin-Waco, TX | View → |
| Leon | 304,600 | Tallahassee | Florida | Jacksonville-Tallahassee, FL | View → |
| Leslie | 9,500 | Hyden | Kentucky | Tri-Cities, TN/VA | View → |
| Letcher | 22,000 | Whitesburg | Kentucky | Tri-Cities, TN/VA | View → |
| Levy | 45,700 | Chiefland | Florida | Orlando-Gainesville, FL | View → |
| Lewis | 27,000 | Lowville | New York | Albany-Utica-Elmira, NY | View → |
| Lewis | 13,000 | Vanceburg | Kentucky | Charleston-Bluefield, WV | View → |
| Lewis | 12,200 | Hohenwald | Tennessee | Nashville, TN | View → |
| Lewis | 10,200 | Canton | Missouri | Ottumwa, IA | View → |
| Lewis | 83,000 | Centralia | Washington | Seattle, WA | View → |
| Lewis | 3,700 | Nezperce | Idaho | Spokane, WA | View → |
| Lewis | 17,000 | Weston | West Virginia | Wheeling-Clarksburg-Parkersburg, WV | View → |
| Lewis And Clark | 75,000 | Helena | Montana | Missoula-Billings-Butte, MT | View → |
| Lexington | 310,000 | Lexington | South Carolina | Columbia, SC | View → |
| Lexington City | 7,400 | Lexington | Virginia | Roanoke-Harrisonburg, VA | View → |
| Liberty | 94,200 | Liberty | Texas | Houston, TX | View → |
| Liberty | 2,300 | Chester | Montana | Missoula-Billings-Butte, MT | View → |
| Liberty | 8,500 | Bristol | Florida | Mobile, AL-Panama City, FL | View → |
| Liberty | 63,000 | Hinesville | Georgia | Savannah-Augusta, GA | View → |
| Licking | 182,600 | Newark | Ohio | Columbus, OH | View → |
| Limestone | 24,000 | Mexia | Texas | Austin-Waco, TX | View → |
| Limestone | 111,900 | Athens | Alabama | Birmingham-Huntsville, AL | View → |
| Lincoln | 20,500 | Ruidoso | New Mexico | Albuquerque, NM | View → |
| Lincoln | 34,500 | Fayetteville | Tennessee | Birmingham-Huntsville, AL | View → |
| Lincoln | 5,400 | Shoshone | Idaho | Boise-Pocatello, ID | View → |
| Lincoln | 20,000 | Kemmerer | Wyoming | Boise-Pocatello, ID | View → |
| Lincoln | 21,000 | Hamlin | West Virginia | Charleston-Bluefield, WV | View → |
| Lincoln | 87,000 | Lincolnton | North Carolina | Charlotte-Greensboro, NC | View → |
