Semione is a former municipality in the district of Blenio in the canton of Ticino in Switzerland.

Semione has an area, as of 1997[update], of 10.42 square kilometers (4.02 sq mi).

[2] The blazon of the municipal coat of arms is Bendy of six gules and argent overall on a fess or three fleurs-de- lis azure.

Most of the population (as of 2000[update]) speaks Italian(85.6%), with German being second most common (10.6%) and French being third ( 2.2%).

[5] The age distribution, as of 2009[update], in Semione is; 33 children or 9.3% of the population are between 0 and 9 years old and 24 teenagers or 6.8% are between 10 and 19.

[9] About 63.8% of the total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement).

[6] The historical population is given in the following table:[13] The Parish Church of S. Maria Assunta with Ossuary, the Oratory of S. Maria Bambina a Navone and the Rovine del castello di Serravalle are listed as Swiss heritage sites of national significance.

The entire villages of Semione and Navone were listed on the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the SP which received 27.49% of the vote.

In the federal election, a total of 122 votes were cast, and the voter turnout was 41.9%.

[15] In the 2007[update] Gran Consiglio election, there were a total of 290 registered voters in Semione, of which 161 or 55.5% voted.

[6] There were 136 residents of the municipality who were employed in some capacity, of which females made up 32.4% of the workforce.

[6] From the 2000 census[update], 249 or 77.8% were Roman Catholic, while 26 or 8.1% 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 should be prepared to enter a trade or to continue to a university or college.

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