Oppens is a municipality in the district of Gros-de-Vaud in the canton of Vaud in Switzerland.

[3] Oppens has an area, as of 2009[update], of 3.6 square kilometers (1.4 sq mi).

Of the rest of the land, 0.22 km2 (0.085 sq mi) or 6.1% is settled (buildings or roads), 0.03 km2 (7.4 acres) or 0.8% is either rivers or lakes.

[9] Most of the population (as of 2000[update]) speaks French (144 or 84.7%) as their first language, with Portuguese being second most common (17 or 10.0%) and German being third (8 or 4.7%).

[10] The age distribution, as of 2009[update], in Oppens is; 11 children or 6.7% of the population are between 0 and 9 years old and 26 teenagers or 16.0% are between 10 and 19.

[9] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the SVP which received 29.98% of the vote.

[9] There were 84 residents of the village who were employed in some capacity, of which females made up 34.5% of the workforce.

The number of jobs in the primary sector was 50, of which 45 were in agriculture and 5 were in forestry or lumber production.

In the tertiary sector; 16 or 84.2% were in wholesale or retail sales or the repair of motor vehicles, 3 or 15.8% were technical professionals or scientists, 1 was in education.

[9] From the 2000 census[update], 47 or 27.6% were Roman Catholic, while 107 or 62.9% 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.