List of U.S. Counties Named After Rivers - P

P

• Payette County, Idaho: Payette is named after the Payette River, which, in turn, is named for explorer Francois Payette.
• Pearl River County, Mississippi: Named for the Pearl River, obviously
• Platte County, Nebraska: Platte is named for the Platte River.
• Platte County, Wyoming: Platte is named for the North Platte River. Platte is French for flat.
• Plumas County, California: Plumas is named for Spanish name for the Feather River (Rio de las Plumas), which flows through the county.
• Powder River County, Montana: Powder River is named for the Powder River, which in turn was named for gunpowder-like sand along its banks.