Casper, Wyoming
Casper is a city in and the county seat of Natrona County, Wyoming, United States. Casper is the second largest city in the state, according to the 2010 census, with a population of 55,316. Only Cheyenne, the state capital, is larger. Casper is nicknamed "The Oil City" and has a long history of oil boomtown and cowboy culture, dating back to the development of the nearby Salt Creek Oil Field. In 2010, Casper was named the highest-ranked family-friendly small city in the West, and ranked eighth overall in the nation in Forbes magazine's list of "the best small cities to raise a family".
Gillette, Wyoming
Gillette is a city in and the county seat of Campbell County, Wyoming, United States. The population was estimated at 32,398 as of July 1, 2016. Gillette is centrally located in an area involved with the development of vast quantities of American coal, oil, and coalbed methane gas. The city calls itself the "Energy Capital of the Nation," noting that the state of Wyoming provides nearly 35% of the nation's coal. Over the last decade Gillette saw a population increase of 48% from the 2000 census of 19,646 residents.
Before its founding, Gillette started as Donkey Town named after Donkey Creek and then was moved and called Rocky Pile after Rocky Draw.
Gillette was founded in 1891 with the coming of the Chicago, Burlington & Quincy Railroad and incorporated on January 6, 1892, less than two years after Wyoming became a state. Chicago, Burlington & Quincy Railroad changed the name to Gillette for Edward Gillette, who worked as a surveyor for the company.