Grancia is a municipality in the district of Lugano in the canton of Ticino in Switzerland.

[3] At the end of the 13th century, there was a religious institution in Grancia that was under the authority of the monastery of S. Maria in Torello (now part of Carona).

This church, along with S. Siro in Carabbia, belonged to the parish of S. Pietro in Pambio.

In the last decades of the 20th century, industrial areas grew around Grancia.

The industrial area and resulting development led to the construction of large shopping malls.

New housing developments, access to the A2 motorway and huge storage tanks affect the environment and landscape of the village.

[3] Grancia has an area, as of 1997[update], of 0.63 square kilometers (0.24 sq mi).

Of the rest of the land, 0.31 km2 (0.12 sq mi) or 49.2% is settled (buildings or roads), 0.03 km2 (7.4 acres) or 4.8% is either rivers or lakes.

It consists of the village of Grancia made up of four sections, including Campestro.

The blazon of the municipal coat of arms is Azure a pilgrim stick gules on a pale argent between two millet ears or.

[7] The age distribution, as of 2009[update], in Grancia is; 48 children or 9.7% of the population are between 0 and 9 years old and 63 teenagers or 12.7% are between 10 and 19.

[8] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the CVP which received 44.07% of the vote.

In the federal election, a total of 108 votes were cast, and the voter turnout was 46.2%.

[14] In the 2007[update] Gran Consiglio election, there were a total of 222 registered voters in Grancia, of which 151 or 68.0% voted.

[8] There were 193 residents of the municipality who were employed in some capacity, of which females made up 45.6% of the workforce.

[17] From the 2000 census[update], 287 or 78.4% were Roman Catholic, while 16 or 4.4% 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 professional program lasts three years and prepares a student for a job in engineering, nursing, computer science, business, tourism and similar fields.