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

In 1906, a northern Etruscan inscription was discovered, followed by a Roman era stele in 1926.

The Lombards King Liutprand gave the village to church of S. Carpoforo in Como in 724.

The parish church of St. Peter is first mentioned in 1579, but was built in the Early Middle Ages.

On the foundation of a building from the 16th Century the pilgrimage chapel of Madonna della Cintura was built in 1731–66.

[3] Historically, the villager earned their living from fishing and making charcoal.

In 1878 Romeo Manzoni opened a girls' boarding school, which was named after him.

The school was sold in 1905, to the Oblates of St. Francis de Sales who established the Don Bosco College in the building.

[3] Maroggia has an area, as of 1997[update], of 1 square kilometer (0.39 sq mi).

Of the rest of the land, 0.33 km2 (0.13 sq mi) or 33.0% is settled (buildings or roads), 0.01 km2 (2.5 acres) or 1.0% is either rivers or lakes.

Most of the population (as of 2000[update]) speaks Italian (85.4%), with German being second most common (6.0%) and Spanish being third (2.3%).

[7] The age distribution, as of 2009[update], in Maroggia is; 48 children or 8.1% of the population are between 0 and 9 years old and 41 teenagers or 6.9% 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 22.54% of the vote.

In the federal election, a total of 181 votes were cast, and the voter turnout was 47.3%.

[14] In the 2007[update] Gran Consiglio election, there were a total of 386 registered voters in Maroggia, of which 243 or 63.0% voted.

[8] There were 279 residents of the municipality who were employed in some capacity, of which females made up 37.6% of the workforce.

[17] From the 2000 census[update], 456 or 81.1% were Roman Catholic, while 24 or 4.3% 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.