Mills is a very small town located in the state of Wyoming. With a population of 4,517 people and two associated neighborhoods, Mills is the 21st largest community in Wyoming.

In Mills, just 12.09% of people have at least a bachelor's degree, which is quite a bit lower than the national average for cities and towns of 21.84%.

The per capita income in Mills in 2022 was $31,081, which is lower middle income relative to Wyoming and the nation. This equates to an annual income of $124,324 for a family of four. However, Mills contains both very wealthy and poor people as well.

Mills is a very ethnically-diverse town. The people who call Mills home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Mills residents report their race to be White, followed by Black or African-American. Mills also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 17.01% of the town’s residents. Important ancestries of people in Mills include German, Irish, English, Polish, and Czech.

The most common language spoken in Mills is English. Other important languages spoken here include Spanish and Italian.