[2] Valcolla is in the upper section of the Val Colla, the mountain valley in which the Cassarate River rises.

[4] In 1956 the municipality was created from the merger of Colla, Insone, Piandera, Scareglia and Signôra.

[2] The blazon of the municipal coat of arms is Azure a garbe or on a base vert.

Most of the population (as of 2000[update]) speaks Italian (88.5%), with German being second most common (8.8%) and French being third (1.3%).

The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was a decrease of 31 and the non-Swiss population change was an increase of 1 people.

[6] The age distribution, as of 2009[update], in Valcolla is; 50 children or 8.1% of the population are between 0 and 9 years old and 53 teenagers or 8.6% are between 10 and 19.

[3] The historical population is given in the following chart:[12] In the 2007 federal election the most popular party was the CVP which received 29.28% of the vote.

In the federal election, a total of 223 votes were cast, and the voter turnout was 44.2%.

[13] In the 2007[update] Gran Consiglio election, there were a total of 510 registered voters in Valcolla, of which 312 or 61.2% voted.

[3] There were 236 residents of the municipality who were employed in some capacity, of which females made up 42.4% of the workforce.

[16] From the 2000 census[update], 453 or 81.2% were Roman Catholic, while 27 or 4.8% belonged to the Swiss Reformed Church.

In the lower secondary school system, students either attend a two-year middle school followed by a two-year pre-apprenticeship or they attend a four-year program to prepare for higher education.

The upper secondary school includes several options, but at the end of the upper secondary program, a student will be prepared to enter a trade or to continue on to a university or college.

In Ticino, vocational students may either attend school while working on their internship or apprenticeship (which takes three or four years) or may attend school followed by an internship or apprenticeship (which takes one year as a full-time student or one and a half to two years as a part-time student).

The professional program lasts three years and prepares a student for a job in engineering, nursing, computer science, business, tourism and similar fields.