Caldwell is a larger medium-sized city located in the state of Idaho. With a population of 65,920 people and 17 associated neighborhoods, Caldwell is the fifth largest community in Idaho. Caldwell 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 Caldwell, where the median household income is $65,259.00.

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

Telecommuters are a relatively large percentage of the workforce: 9.82% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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 education level of Caldwell citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 17.63% of adults 25 and older in Caldwell have a college degree.

The per capita income in Caldwell in 2018 was $24,112, which is lower middle income relative to Idaho, and low income relative to the rest of the US. This equates to an annual income of $96,448 for a family of four. However, Caldwell contains both very wealthy and poor people as well.

Caldwell is an extremely ethnically-diverse city. The people who call Caldwell home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Caldwell residents report their race to be White, followed by Asian. Caldwell also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 37.91% of the city’s residents. Important ancestries of people in Caldwell include English, German, Irish, Scottish, and French.

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