Cities in Frederick County, United States ( 155 )
- Portage, Pennsylvania
- Portage, Wisconsin
- Poynette, Wisconsin
- Princeton, New Jersey
- Quincy, Massachusetts
- Ranchettes
- Randolph, Massachusetts
- Robbinsville, New Jersey
- Royal Pines
- Rutland, Vermont
- Sacaton
- Saint Joseph, Michigan
- San Manuel, Arizona
- San Tan Valley
- Sharon, Massachusetts
- Smithville, Texas
- South Greeley
- Spring Ridge
- St. Joseph, Missouri
- Storm Lake, Iowa
- Stoughton, Massachusetts
- Superior, Arizona
- Swannanoa, North Carolina
- Tahlequah, Oklahoma
- Taylorville, Illinois
- Thurmont
- Trenton, New Jersey
- Twin Rivers, New Jersey
- Urbana, Maryland
- Urbana, Ohio
- Vineyards, Florida
- Walkersville
- Walpole, Massachusetts
- Weaverville, North Carolina
- Wellesley, Massachusetts
- West Pasco