| Jefferson | 33,000 | Madison | Indiana | Louisville, KY-Evansville, IN | View → |
| Jefferson | 780,000 | Louisville | Kentucky | Louisville, KY-Evansville, IN | View → |
| Jefferson | 85,000 | Watertown | Wisconsin | Milwaukee, WI | View → |
| Jefferson | 12,000 | Boulder | Montana | Missoula-Billings-Butte, MT | View → |
| Jefferson | 435,000 | Metairie | Louisiana | New Orleans-Baton Rouge, LA | View → |
| Jefferson | 17,000 | Fairfield | Iowa | Ottumwa, IA | View → |
| Jefferson | 38,000 | Mount Vernon | Illinois | Paducah, KY | View → |
| Jefferson | 25,000 | Madras | Oregon | Portland, OR | View → |
| Jefferson | 16,000 | Louisville | Georgia | Savannah-Augusta, GA | View → |
| Jefferson | 32,000 | Port Townsend | Washington | Seattle, WA | View → |
| Jefferson | 226,000 | Arnold | Missouri | St. Louis, MO | View → |
| Jefferson | 59,000 | Charles Town | West Virginia | Washington, DC | View → |
| Jefferson | 65,450 | Steubenville | Ohio | Wheeling-Clarksburg-Parkersburg, WV | View → |
| Jefferson | 6,000 | Waurika | Oklahoma | Wichita Falls, TX | View → |
| Jefferson Davis | 12,000 | Prentiss | Mississippi | Jackson, MS | View → |
| Jefferson Davis | 32,000 | Jennings | Louisiana | New Orleans-Baton Rouge, LA | View → |
| Jenkins | 8,300 | Millen | Georgia | Savannah-Augusta, GA | View → |
| Jennings | 27,500 | North Vernon | Indiana | Louisville, KY-Evansville, IN | View → |
| Jerauld | 2,100 | Wessington Springs | South Dakota | Sioux Falls-Rapid City, SD | View → |
| Jerome | 25,000 | Jerome | Idaho | Boise-Pocatello, ID | View → |
| Jersey | 22,000 | Jerseyville | Illinois | St. Louis, MO | View → |
| Jessamine | 55,000 | Nicholasville | Kentucky | Lexington-Bowling Green, KY | View → |
| Jewell | 2,800 | Mankato | Kansas | Lincoln, NE | View → |
| Jim Hogg | 4,800 | Hebbronville | Texas | San Antonio-Corpus Christi, TX | View → |
| Jim Wells | 38,500 | Alice | Texas | San Antonio-Corpus Christi, TX | View → |
| Jo Daviess | 22,000 | Galena | Illinois | Davenport, IA-Moline, IL | View → |
| Johnson | 8,500 | Buffalo | Wyoming | Casper, WY | View → |
| Johnson | 160,000 | Iowa City | Iowa | Cedar Rapids, IA | View → |
| Johnson | 23,000 | Paintsville | Kentucky | Charleston-Bluefield, WV | View → |
| Johnson | 185,000 | Cleburne | Texas | Dallas-Fort Worth, TX | View → |
| Johnson | 170,000 | Greenwood | Indiana | Indianapolis-Fort Wayne, IN | View → |
| Johnson | 620,000 | Overland Park | Kansas | Kansas City, MO | View → |
| Johnson | 54,000 | Warrensburg | Missouri | Kansas City, MO | View → |
| Johnson | 26,000 | Clarksville | Arkansas | Little Rock, AR | View → |
| Johnson | 9,800 | Wrightsville | Georgia | Macon-Columbus, GA | View → |
| Johnson | 5,400 | Tecumseh | Nebraska | Omaha, NE-Sioux City, IA | View → |
| Johnson | 12,200 | Vienna | Illinois | Paducah, KY | View → |
| Johnson | 18,000 | Mountain City | Tennessee | Tri-Cities, TN/VA | View → |
| Johnston | 220,000 | Smithfield | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Johnston | 11,000 | Tishomingo | Oklahoma | Sherman, TX | View → |
| Jones | 21,000 | Anamosa | Iowa | Cedar Rapids, IA | View → |
| Jones | 70,000 | Laurel | Mississippi | Jackson, MS | View → |
| Jones | 19,500 | Anson | Texas | Lubbock-Abilene, TX | View → |
| Jones | 28,000 | Gray | Georgia | Macon-Columbus, GA | View → |
| Jones | 9,500 | Trenton | North Carolina | Raleigh-Greenville-Wilmington, NC | View → |
| Jones | 920 | Murdo | South Dakota | Sioux Falls-Rapid City, SD | View → |
| Josephine | 88,000 | Grants Pass | Oregon | Medford, OR | View → |
| Juab | 13,500 | Nephi | Utah | Salt Lake City, UT | View → |
| Judith Basin | 2,000 | Stanford | Montana | Missoula-Billings-Butte, MT | View → |
| Juneau | 27,000 | Mauston | Wisconsin | Madison-La Crosse, WI | View → |
