Knoxville is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

Napa County Napa County () is a county north of San Pablo Bay located in the northern portion of the U.S. state of California. As of the 2020 census, the population was 138,019. The county seat is the City of Napa. Napa County was one of the original co ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. It lies at an elevation of 1322 feet (403 m). Knoxville is located north-northeast of

Saint Helena Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constitu ...

. The Knoxville post office opened in 1863, moved in 1904 and 1907, and closed permanently in 1912. The name commemorates Ranar B. Knox, owner of a local mine and first post master.

References

Unincorporated communities in Napa County, California Vaca Mountains Unincorporated communities in California {{NapaCountyCA-geo-stub