Cities in Clarke County, United States ( 170 )
- Keansburg
- Keyport, New Jersey
- Lake Montezuma
- Lansford, Pennsylvania
- Lehighton
- Leonardo
- Level Park-Oak Park
- Lewisburg, West Virginia
- Lincroft
- Lindstrom, Minnesota
- Little Silver
- Long Branch, New Jersey
- Lovington, New Mexico
- Madison, Maine
- Madison, Wisconsin
- Manasquan, New Jersey
- Marlboro, New Jersey
- Marshall, Michigan
- Marshall, Wisconsin
- Matawan
- Mattawa, Washington
- McFarland, Wisconsin
- Middleton, Wisconsin
- Midland, North Carolina
- Milford, Ohio
- Mills, Wyoming
- Monmouth Beach
- Monona, Wisconsin
- Morganville, New Jersey
- Moses Lake
- Moses Lake North
- Mount Carmel, Ohio
- Mount Horeb, Wisconsin
- Mount Repose, Ohio
- Mulberry, Ohio
- Neptune City