Maladers has a population (as of December 2018) of 519.
 As of 2015, 8.5% of the population are resident foreign nationals.
 Over the last 5 years (2010-2015) the population has changed at a rate of 1.81%.
 The birth rate in the municipality, in 2015, was 9.9, while the death rate was 5.9 per thousand residents.

As of 2015, children and teenagers (0–19 years old) make up 15.4% of the population, while adults (20–64 years old) are 64.2% of the population and seniors (over 64 years old) make up 20.4%.
 In 2015 there were 192 single residents, 246 people who were married or in a civil partnership, 26 widows or widowers and 42 divorced residents.

In 2015 there were 233 private households in Maladers with an average household size of 2.15 persons.
In 2015 about 67.9% of all buildings in the municipality were single family homes.
 Of the 189 inhabited buildings in the municipality, in 2000, about 67.2% were single family homes and 16.9% were multiple family buildings.
 Additionally, about 33.9% of the buildings were built before 1919, while 12.7% were built between 1991 and 2000.
 In 2014 the rate of construction of new housing units per 1000 residents was 0.0%.
 The vacancy rate for the municipality, in 2016, was 2.47%.

Most of the population (as of 2000) speaks German (95.5%), with Romansh being second most common ( 2.2%) and Italian being third ( 1.0%).

The historical population is given in the following chart:
Maladers has a population (as of December 2018) of 519.  As of 2015, 8.5% of the population are resident foreign nationals.  Over the last 5 years (2010-2015) the population has changed at a rate of 1.81%.  The birth rate in the municipality, in 2015, was 9.9, while the death rate was 5.9 per thousand residents.
As of 2015, children and teenagers (0–19 years old) make up 15.4% of the population, while adults (20–64 years old) are 64.2% of the population and seniors (over 64 years old) make up 20.4%.  In 2015 there were 192 single residents, 246 people who were married or in a civil partnership, 26 widows or widowers and 42 divorced residents.
In 2015 there were 233 private households in Maladers with an average household size of 2.15 persons. In 2015 about 67.9% of all buildings in the municipality were single family homes.  Of the 189 inhabited buildings in the municipality, in 2000, about 67.2% were single family homes and 16.9% were multiple family buildings.  Additionally, about 33.9% of the buildings were built before 1919, while 12.7% were built between 1991 and 2000.  In 2014 the rate of construction of new housing units per 1000 residents was 0.0%.  The vacancy rate for the municipality, in 2016, was 2.47%.
Most of the population (as of 2000) speaks German (95.5%), with Romansh being second most common ( 2.2%) and Italian being third ( 1.0%).
The historical population is given in the following chart:
Maladers