Calera is a medium-sized city located in the state of Alabama. With a population of 17,868 people and five associated neighborhoods, Calera is the 39th largest community in Alabama. Much of the housing stock in Calera was built relatively recently. The construction of new real estate can often be taken as an indication that the local Calera economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in Calera, where the median household income is $73,775.00.

Also of interest is that Calera 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 Calera telecommute to their jobs. Overall, about 12.97% 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.

In Calera, however, the average commute to work is quite long. On average, people spend 33.50 minutes each day getting to work, which is significantly higher than the national average.

The citizens of Calera are very well educated compared to the average community in the nation: 36.40% of adults in Calera have a bachelor's degree or even advanced degree.

The per capita income in Calera in 2018 was $34,165, which is upper middle income relative to Alabama, and middle income relative to the rest of the US. This equates to an annual income of $136,660 for a family of four. However, Calera contains both very wealthy and poor people as well.

Calera is an extremely ethnically-diverse city. The people who call Calera home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Calera residents report their race to be White, followed by Black or African-American. Important ancestries of people in Calera include German, Irish, English, Italian, and Scottish.

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