Calcium is a very small town located in the state of New York. With a population of 3,573 people and two associated neighborhoods, Calcium is the largest community in New York. Much of the housing stock in Calcium was built relatively recently. The construction of new real estate can often be taken as an indication that the local Calcium economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in Calcium, where the median household income is $57,668.00.

28.02% of the workforce is employed in the armed forces, making the military a huge focus of life in Calcium. Even though it is a military town, the civilian sector still plays an important role in the local economy. The Other and Healthcare industries respectively employ 25.32% and 17.72% of the civilian workforce.

The percentage of adults in Calcium who are college-educated is close to the national average for all communities of 21.84%: 17.04% of the adults in Calcium have a bachelor's degree or advanced degree.

The per capita income in Calcium in 2022 was $30,936, which is low income relative to New York, and lower middle income relative to the rest of the US. This equates to an annual income of $123,744 for a family of four. However, Calcium contains both very wealthy and poor people as well.

Calcium is an extremely ethnically-diverse town. The people who call Calcium home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Calcium residents report their race to be White, followed by Black or African-American. Calcium also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 28.55% of the town’s residents. Important ancestries of people in Calcium include Irish, African, Jamaican, German, and Scots-Irish.

Foreign born people are also an important part of Calcium's cultural character, accounting for 15.88% of the town’s population.

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