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

[3] Sullens has an area, as of 2009[update], of 3.92 square kilometers (1.51 sq mi).

Of the rest of the land, 0.64 km2 (0.25 sq mi) or 16.3% is settled (buildings or roads).

The blazon of the municipal coat of arms is Or, a Bend Azure, overall a Cross bottony Gules.

[9] Most of the population (as of 2000[update]) speaks French (709 or 87.2%), with German being second most common (61 or 7.5%) and Italian being third (10 or 1.2%).

[8] The age distribution, as of 2009[update], in Sullens is; 89 children or 10.3% of the population are between 0 and 9 years old and 118 teenagers or 13.7% 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 29.77% of the vote.

In the federal election, a total of 312 votes were cast, and the voter turnout was 53.8%.

[9] There were 414 residents of the municipality who were employed in some capacity, of which females made up 43.7% of the workforce.

The number of jobs in the primary sector was 14, of which 11 were in agriculture and 3 were in forestry or lumber production.

In the tertiary sector; 3 or 10.3% were in wholesale or retail sales or the repair of motor vehicles, 3 or 10.3% were in the movement and storage of goods, 2 or 6.9% were in a hotel or restaurant, 5 or 17.2% were in the information industry, 4 or 13.8% were technical professionals or scientists, 4 or 13.8% were in education.

[9] From the 2000 census[update], 228 or 28.0% were Roman Catholic, while 440 or 54.1% 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.

[17] During the school year, the political district provided pre-school care for a total of 296 children of which 96 children (32.4%) received subsidized pre-school care.

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