Cities in Effingham County, United States ( 182 )
- North Bellport
- North Great River
- North Liberty, Iowa
- North Lindenhurst
- North Mankato
- North Patchogue
- North Sea, New York
- Northport, New York
- Northwest Harbor, New York
- Noyack
- Oakdale, New York
- Oldsmar
- Palm Harbor
- Patchogue
- Pearl River, Louisiana
- Perry, Oklahoma
- Peru, Indiana
- Pinellas Park
- Port Jefferson
- Port Jefferson Station
- Priceville
- Rapid City, South Dakota
- Rapid Valley
- Red Bluff, California
- Remsenburg-Speonk
- Richland Center, Wisconsin
- Ridge, New York
- Ridgecrest, Florida
- Rincon, Georgia
- Riverhead, New York
- Riverside, New York
- Rocky Point, New York
- Ronkonkoma, New York
- Safety Harbor
- Saint George, Florida
- Saint Peter, Minnesota