Orpund has a population (as of December 2018) of 2,800.
 As of 2010, 15.0% of the population are resident foreign nationals.
 Over the last 10 years (2001-2011) the population has changed at a rate of -1.6%.
 Migration accounted for -1.9%, while births and deaths accounted for 0%.

Most of the population (as of 2000) speaks German (2,168 or 86.7%) as their first language, French is the second most common (166 or 6.6%) and Italian is the third (37 or 1.5%).
 There is 1 person who speaks Romansh.

As of 2008, the population was 50.1% male and 49.9% female.
 The population was made up of 1,117 Swiss men (41.8% of the population) and 222 (8.3%) non-Swiss men.
 There were 1,154 Swiss women (43.2%) and 17 (0.6%) non-Swiss women.
 Of the population in the municipality, 530 or about 21.2% were born in Orpund and lived there in 2000.
 There were 1,109 or 44.3% who were born in the same canton, while 448 or 17.9% were born somewhere else in Switzerland, and 303 or 12.1% were born outside of Switzerland.

As of 2011, children and teenagers (0–19 years old) make up 19.9% of the population, while adults (20–64 years old) make up 59.4% and seniors (over 64 years old) make up 20.7%.

As of 2000, there were 915 people who were single and never married in the municipality.
 There were 1,289 married individuals, 140 widows or widowers and 158 individuals who are divorced.

As of 2010, there were 371 households that consist of only one person and 53 households with five or more people.
 In 2000, a total of 1,071 apartments (89.8% of the total) were permanently occupied, while 70 apartments (5.9%) were seasonally occupied and 51 apartments (4.3%) were empty.
 As of 2010, the construction rate of new housing units was 1.1 new units per 1000 residents.
 The vacancy rate for the municipality, in 2012, was 3.73%.
 In 2011, single family homes made up 65.7% of the total housing in the municipality.

The historical population is given in the following chart:
Orpund has a population (as of December 2018) of 2,800.  As of 2010, 15.0% of the population are resident foreign nationals.  Over the last 10 years (2001-2011) the population has changed at a rate of -1.6%.  Migration accounted for -1.9%, while births and deaths accounted for 0%.
Most of the population (as of 2000) speaks German (2,168 or 86.7%) as their first language, French is the second most common (166 or 6.6%) and Italian is the third (37 or 1.5%).  There is 1 person who speaks Romansh.
As of 2008, the population was 50.1% male and 49.9% female.  The population was made up of 1,117 Swiss men (41.8% of the population) and 222 (8.3%) non-Swiss men.  There were 1,154 Swiss women (43.2%) and 17 (0.6%) non-Swiss women.  Of the population in the municipality, 530 or about 21.2% were born in Orpund and lived there in 2000.  There were 1,109 or 44.3% who were born in the same canton, while 448 or 17.9% were born somewhere else in Switzerland, and 303 or 12.1% were born outside of Switzerland.
As of 2011, children and teenagers (0–19 years old) make up 19.9% of the population, while adults (20–64 years old) make up 59.4% and seniors (over 64 years old) make up 20.7%.
As of 2000, there were 915 people who were single and never married in the municipality.  There were 1,289 married individuals, 140 widows or widowers and 158 individuals who are divorced.
As of 2010, there were 371 households that consist of only one person and 53 households with five or more people.  In 2000, a total of 1,071 apartments (89.8% of the total) were permanently occupied, while 70 apartments (5.9%) were seasonally occupied and 51 apartments (4.3%) were empty.  As of 2010, the construction rate of new housing units was 1.1 new units per 1000 residents.  The vacancy rate for the municipality, in 2012, was 3.73%.  In 2011, single family homes made up 65.7% of the total housing in the municipality.
The historical population is given in the following chart:
Orpund