| Summit | 32,000 | Breckenridge | Colorado | Denver-Colorado Springs, CO | View → |
| Summit | 44,000 | Park City | Utah | Salt Lake City, UT | View → |
| Sumner | 198,000 | Hendersonville | Tennessee | Nashville, TN | View → |
| Sumner | 23,500 | Wellington | Kansas | Wichita, KS | View → |
| Sumter | 12,700 | Livingston | Alabama | Birmingham-Huntsville, AL | View → |
| Sumter | 105,000 | Sumter | South Carolina | Columbia, SC | View → |
| Sumter | 30,000 | Americus | Georgia | Macon-Columbus, GA | View → |
| Sumter | 164,000 | The Villages | Florida | Orlando-Gainesville, FL | View → |
| Sunflower | 27,000 | Indianola | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Surry | 72,000 | Mount Airy | North Carolina | Charlotte-Greensboro, NC | View → |
| Surry | 6,400 | Surry | Virginia | Norfolk, VA-Salisbury, MD | View → |
| Susquehanna | 39,700 | Montrose | Pennsylvania | Scranton, PA-Binghamton, NY | View → |
| Sussex | 140,763 | Newton | New Jersey | New York, NY | View → |
| Sussex | 263,600 | Seaford | Delaware | Norfolk, VA-Salisbury, MD | View → |
| Sussex | 11,400 | Waverly | Virginia | Richmond, VA | View → |
| Sutter | 110,000 | Yuba City | California | Sacramento, CA | View → |
| Sutton | 3,500 | Sonora | Texas | El Paso-Odessa, TX | View → |
| Suwannee | 47,600 | Live Oak | Florida | Jacksonville-Tallahassee, FL | View → |
| Swain | 15,000 | Bryson City | North Carolina | Greenville, SC-Asheville, NC | View → |
| Sweet Grass | 3,700 | Big Timber | Montana | Missoula-Billings-Butte, MT | View → |
| Sweetwater | 42,000 | Rock Springs | Wyoming | Salt Lake City, UT | View → |
| Swift | 9,000 | Benson | Minnesota | Minneapolis-St. Paul, MN | View → |
| Swisher | 7,500 | Tulia | Texas | Amarillo, TX | View → |
| Switzerland | 11,000 | Vevay | Indiana | Cincinnati-Dayton, OH | View → |
| Talbot | 37,000 | Easton | Maryland | Baltimore, MD | View → |
| Talbot | 6,000 | Talbotton | Georgia | Macon-Columbus, GA | View → |
| Taliaferro | 1,600 | Crawfordville | Georgia | Savannah-Augusta, GA | View → |
| Talladega | 80,700 | Talladega | Alabama | Birmingham-Huntsville, AL | View → |
| Tallahatchie | 14,000 | Charleston | Mississippi | Tupelo-Meridian-Greenwood, MS | View → |
| Tallapoosa | 41,200 | Alexander City | Alabama | Montgomery-Dothan, AL | View → |
| Tama | 17,000 | Toledo | Iowa | Cedar Rapids, IA | View → |
| Taney | 57,000 | Branson | Missouri | Springfield, MO | View → |
| Tangipahoa | 135,000 | Hammond | Louisiana | New Orleans-Baton Rouge, LA | View → |
| Taos | 34,000 | Taos | New Mexico | Albuquerque, NM | View → |
| Tarrant | 2,100,000 | Fort Worth | Texas | Dallas-Fort Worth, TX | View → |
| Tate | 29,000 | Senatobia | Mississippi | Memphis, TN | View → |
| Tattnall | 26,000 | Reidsville | Georgia | Savannah-Augusta, GA | View → |
| Taylor | 6,100 | Bedford | Iowa | Des Moines, IA | View → |
| Taylor | 20,500 | Medford | Wisconsin | Green Bay, WI-Duluth, MN | View → |
| Taylor | 22,500 | Perry | Florida | Jacksonville-Tallahassee, FL | View → |
| Taylor | 25,000 | Campbellsville | Kentucky | Louisville, KY-Evansville, IN | View → |
| Taylor | 138,000 | Abilene | Texas | Lubbock-Abilene, TX | View → |
| Taylor | 8,400 | Butler | Georgia | Macon-Columbus, GA | View → |
| Taylor | 16,500 | Grafton | West Virginia | Wheeling-Clarksburg-Parkersburg, WV | View → |
| Tazewell | 132,000 | Pekin | Illinois | Champaign-Peoria, IL | View → |
| Tazewell | 40,000 | Tazewell | Virginia | Charleston-Bluefield, WV | View → |
| Tehama | 66,000 | Red Bluff | California | Sacramento, CA | View → |
| Telfair | 13,500 | McRae-Helena | Georgia | Macon-Columbus, GA | View → |
| Teller | 27,000 | Woodland Park | Colorado | Denver-Colorado Springs, CO | View → |
| Tensas | 4,200 | St. Joseph | Louisiana | Jackson, MS | View → |
