Cities in Houghton County, United States ( 159 )
- Laguna Vista
- Lake Stevens
- Laureles, Texas
- Lincoln, California
- Lincoln Heights, Ohio
- Lochsloy
- Lockland
- Loomis, California
- Los Chavez
- Los Fresnos
- Los Lunas
- Loveland, Ohio
- Luxemburg, Wisconsin
- Lynnwood
- Mack, Ohio
- Madeira, Ohio
- Maltby, Washington
- Mariemont, Ohio
- Martha Lake, Washington
- Marysville, Washington
- Meadow Lake, New Mexico
- Meadow Vista
- Meadowdale, Washington
- Miami Heights
- Mill Creek, Washington
- Monroe, Washington
- Montgomery, Ohio
- Morgantown, West Virginia
- Mount Healthy Heights
- Mount Healthy, Ohio
- Mountlake Terrace
- Mukilteo
- Nashville
- New Baltimore, Virginia
- New Burlington, Ohio
- Newtown, Ohio