Mex is a municipality of the canton of Vaud in Switzerland, located in the district of Gros-de-Vaud.

[3] Mex has an area, as of 2009[update], of 2.83 square kilometers (1.09 sq mi).

Of the rest of the land, 0.48 km2 (0.19 sq mi) or 17.0% is settled (buildings or roads).

[9] Most of the population (as of 2000[update]) speaks French (481 or 87.9%), with German being second most common (30 or 5.5%) and Italian being third (11 or 2.0%).

[8] The age distribution, as of 2009[update], in Mex is; 72 children or 11.0% of the population are between 0 and 9 years old and 62 teenagers or 9.5% are between 10 and 19.

The greatest number of multi-family homes (7) were built before 1919 and again between 1981 and 1990[12] In 2000[update] there were 240 apartments in the municipality.

[9] The historical population is given in the following chart:[3][13] The D'En-Bas Castle is listed as a Swiss heritage site of national significance.

The entire village of Mex is part of the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the SVP which received 40.96% of the vote.

In the federal election, a total of 195 votes were cast, and the voter turnout was 50.6%.

[9] There were 319 residents of the municipality who were employed in some capacity, of which females made up 46.1% of the workforce.

In the tertiary sector; 5 or 18.5% were in wholesale or retail sales or the repair of motor vehicles, 1 was in the movement and storage of goods, 5 or 18.5% were in a hotel or restaurant, 1 was in education.

[9] From the 2000 census[update], 140 or 25.6% were Roman Catholic, while 252 or 46.1% belonged to the Swiss Reformed Church.

In the Vaud cantonal school system, two years of non-obligatory pre-school are provided by the political districts.

The canton's primary school program requires students to attend for four years.