Gillette is a medium-sized city located in the state of Wyoming. With a population of 33,496 people and eight associated neighborhoods, Gillette is the third largest community in Wyoming.

The population of Gillette overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Gillette, 23.11% have at least a bachelor's degree.

The per capita income in Gillette in 2022 was $39,578, which is upper middle income relative to Wyoming and the nation. This equates to an annual income of $158,312 for a family of four. However, Gillette contains both very wealthy and poor people as well.

Gillette is a somewhat ethnically-diverse city. The people who call Gillette home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Gillette residents report their race to be White, followed by Native American. Gillette also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 10.60% of the city’s residents. Important ancestries of people in Gillette include German, English, Irish, Norwegian, and Swedish.

The most common language spoken in Gillette is English. Other important languages spoken here include Spanish and Pacific Island languages.