Post Falls is a medium-sized city located in the state of Idaho. With a population of 44,194 people and eight associated neighborhoods, Post Falls is the tenth largest community in Idaho. Post Falls has seen a significant amount of newer housing growth in recent years. Quite often, new home construction is the result of new residents moving in who are middle class or wealthier, attracted by jobs, a healthy local economy, or other amenities as they leave nearby or far away areas for greener pastures. This seems to be the case in Post Falls, where the median household income is $71,042.00.

Also of interest is that Post Falls has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Post Falls telecommute to their jobs. Overall, about 9.06% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

The population of Post Falls 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 Post Falls, 22.18% have at least a bachelor's degree.

The per capita income in Post Falls in 2022 was $30,524, which is upper middle income relative to Idaho, and middle income relative to the rest of the US. This equates to an annual income of $122,096 for a family of four. However, Post Falls contains both very wealthy and poor people as well.

Post Falls is a somewhat ethnically-diverse city. The people who call Post Falls home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Post Falls residents report their race to be White, followed by Native American. Important ancestries of people in Post Falls include German, English, Irish, Italian, and Norwegian.

The most common language spoken in Post Falls is English. Other important languages spoken here include Spanish and German/Yiddish.