Mill City is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Pershing County

Pershing County, Nevada

Pershing County is a county located in the U.S. state of Nevada. As of the 2000 census, the population was 6,693. Its county seat is Lovelock. The county was named after army general John J. Pershing . It was formed from Humboldt County in 1919, and the last county to be established in...

, Nevada

Nevada

Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The ZIP Code

ZIP Code

ZIP codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the...

 of Mill City is 89418.

Mill City was established to process the ore

Ore

An ore is a type of rock that contains minerals with important elements including metals. The ores are extracted through mining; these are then refined to extract the valuable element....

 from nearby mines at a location with water

Water

Water is a chemical substance with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions, but it often co-exists on Earth with its solid state, ice, and gaseous state . Water also exists in a...

 from the Humboldt River

Humboldt River

The Humboldt River runs through northern Nevada in the western United States. At approximately long it is the second longest river in the Great Basin, after the Bear River. It has no outlet to the ocean, but instead empties into the Humboldt Sink...

 and railroad access. http://www.nevadaweb.com/cnt/cc/imlay.html
Currently, it is the last exit from Interstate 80 within Pershing county and 4 miles north by this highway of Imlay

Imlay, Nevada

Imlay is a small town in Pershing County, Nevada. It has an elementary school, a general store, a post office, and a trading post.As of 2005, the population of Imlay, Nevada, was 233....

, and functions as an intervening tourist stop.

The Interstate bisects the town. On the eastern side of the highway is a medium-sized motel, recently revamped, which is also home to some small shops, a full and a fast-food restaurant and a casino which, together with a nearby service station, constitute the business district of Mill City. West of the interstate highway is the small residential area. State Route 400 connects the two sections of the town, continuing south towards Unionville

Unionville, Nevada

Unionville is a small hamlet in Pershing County, Nevada, with the most recent population estimate being approximately 20 people. The town's best years were during the 1870s, when it was an active mining and prospecting town serving the surrounding hilly region. For a brief time, Samuel Langhorne...

.