Nielsen Audio Top 50 Market Counties

The counties and areas listed here are those that comprise the 2023 Nielsen Audio Top-50 urban markets. 

If the LPFM transmitting antenna is physically located in one of these areas, then the following FCC rules apply:

  • §73.853(b) requires that LPFM organizations in the Top-50 urban markets must have the headquarters or campus of the organization or at least 75% of the organization's board members physically reside within 10 miles of the transmitting antenna location. 
  • §73.872(b)(1) states that in order to claim the Established Community Presence point, an applicant must, for a period of two years prior to the application and at all times thereafter, have the headquarters or campus of the organization or at least 75% of the organization's board members physically reside within 10 miles of the transmitting antenna location. 
  • §73.872(b)(3) states that in order to claim the Main Studio point, that the applicant pledges to maintain a publicly accessible main studio with local program origination capability, is reachable by telephone, is staffed at least 20 hours per week between 7AM~10PM and is located within 10 miles of the transmitting antenna.

For counties and areas not designated as Top-50 urban markets, the 10 mile limit is extended to 20 miles.

Arizona

Maricopa

California

Alameda, Contra Costa, El Dorado (west of the Sierras including Placerville but not including South Lake Tahoe), Los Angeles, Marin, Napa, Nevada (west of the Sierras, including Grass Valley and Nevada City, but not including Truckee), Orange, Placer (west of the Sierras, including Roseville, Auburn and Foresthill but not including Tahoe City), Riverside (Inland Empire area west of the San Jacintos.  Does not include the southern portion of the county such as Lake Elsinore, Temecula and Murrieta.  Also does not include the Coachella Valley, including Palm Springs and Indio or anywhere east of there), Sacramento, San Bernardino (Inland Empire and Big Bear/Lake Arrowhead areas only.  Does not include the western portion of the county, such as Ontario, Chino and Rancho Cucamonga.  Also does not include the Victor Valley and high desert areas such as Barstow.), San Diego, San Francisco, San Mateo, Santa Clara, Solano, Sonoma, Yolo

Colorado

Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, Jefferson

Connecticut

Fairfield (Stamford, Norwalk, Darien, New Canaan and Wilton areas only.  All other areas outside of top-50)

District of Columbia

Washington, DC

Florida

Baker, Broward, Clay, Duval, Hernando, Hillsborough, Miami-Dade, Nassau, Orange, Osceola, Palm Beach, Pasco, Pinellas, St. Johns, Seminole

Georgia

Barrow, Bartow, Carroll, Cherokee, Clayton, Cobb, Coweta, DeKalb, Douglas, Fayette, Forsyth, Fulton, Gwinnett, Henry, Newton, Paulding, Pickens, Rockdale, Spaulding, Walton

Illinois

Clinton, Cook, DuPage, Grundy, Kane, Kendall, Lake, Madison, McHenry, Monroe, St. Clair, Will

Indiana

Boone, Dearborn, Hamilton, Hancock, Hendricks, Johnson, Lake, Marion, Morgan, Ohio, Porter, Shelby

Kansas

Johnson, Leavenworth, Miami, Wyandotte

Kentucky

Boone, Campbell, Gallatin, Grant, Kenton, Pendleton

Louisiana

Jefferson, Lafourche, Orleans, Plaquemines, St. Bernard, St. Charles, St. James, St. John the Baptist, St. Tammany, Washington

Maryland

Anne Arundel, Baltimore (city and county), Calvert, Carroll, Charles, Frederick, Harford, Howard, Montgomery, Prince George's, Queen Anne's

Massachusetts

Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk, Westchester, Worcester (northern portion of the county – the city of Worcester and surrounding area is not in the top-50 urban area)

Michigan

Lapeer, Livingston, Macomb, Monroe, Oakland, St. Clair, Wayne

Minnesota

Anoka, Carver, Chicago, Dakota, Hennepin, Isanti, Ramsey, Scott, Sherburne (eastern portion including Becker, Big Lake, Elk River and Zimmerman but not including St. Cloud), Washington, Wright

Mississippi

Pearl River

Missouri

Cass, Clay, Franklin, Jackson, Jefferson, Lafayette, Lincoln, Platte, Ray, St. Charles, St. Louis (city and county), Warren

Nevada

Clark

New Hampshire

Hillsborough (most of county except Manchester, Goffstown and Bedford)

New Jersey

Bergen, Burlington, Camden, Essex, Gloucester, Hudson, Middlesex, Monmouth, Morris, Passaic, Somerset, Union

New York

Bronx, Kings, Nassau, New York, Queens, Putnam, Richmond, Rockland, Suffolk, Westchester

North Carolina

Alamance, Anson, Cabarrus, Chatham, Cleveland, Davidson, Davie, Durham, Forsyth, Franklin, Gaston, Guildford, Iredell, Johnston, Lincoln, Mecklenburg, Orange, Randolph, Rowan, Stanly, Stokes, Union, Wake, Yadkin

Ohio

Brown, Butler, Clermont, Cuyahoga, Delaware, Fairfield, Franklin, Geauga, Hamilton, Lake, Licking, Lorain, Madison, Medina, Pickaway, Union, Warren

Oklahoma

Canadian, Cleveland, Grady, Kingfisher, Lincoln, Logan, McClain, Oklahoma, Pottawatomie, Seminole

Oregon

Clackamas, Marion, Multnomah, Washington, Yamhill

Pennsylvania

Allegheny, Bucks, Butler, Beaver, Chester, Delaware, Fayette, Montgomery, Philadelphia, Washington, Westmoreland

Puerto Rico

All areas

Rhode Island

All areas

South Carolina

Chester, Lancaster, York

Tennessee

Cheatham, Davidson, Dickson, Robertson, Rutherford, Sumner, Williamson, Wilson

Texas

Atascosa, Austin, Bandera, Bastrop, Bexar, Brazoria, Caldwell, Chambers, Collin, Comal, Dallas, Denton, Ellis, Fort Bend, Galveston, Guadalupe, Harris, Hays, Hood, Johnson, Kaufman, Kendall, Liberty, Medina, Montgomery, Parker, Polk, Rockwall, San Jacinto, Tarrant, Travis, Waller, Williamson, Wilson, Wise

Utah

Davis, Salt Lake, Tooele, Utah, Weber
Virginia

Arlington, Alexandria, Chesapeake, Fairfax, Gloucester, James City, Loudoun, Newport News, Norfolk, Prince William, Stafford, Suffolk, Virginia Beach, York
Washington

Clark, Island, King, Kitsap, Pierce, Snohomish, Thurston
Wisconsin

Kenosha, Milwaukee, Ozaukee, Pierce, Racine, St. Croix, Washington, Waukesha