Cuarnens is a municipality of the canton of Vaud in Switzerland, located in the district of Morges.

[3] Cuarnens has an area, as of 2009[update], of 7.14 square kilometers (2.76 sq mi).

Of the rest of the land, 0.33 km2 (0.13 sq mi) or 4.6% is settled (buildings or roads), 0.01 km2 (2.5 acres) or 0.1% is either rivers or lakes.

The blazon of the municipal coat of arms is Azure, a Cross Argent, overall a Unicorn rampant Or.

[9] Most of the population (as of 2000[update]) speaks French (338 or 85.6%), with German being second most common (40 or 10.1%) and Portuguese being third (7 or 1.8%).

[8] The age distribution, as of 2009[update], in Cuarnens is; 42 children or 11.1% of the population are between 0 and 9 years old and 51 teenagers or 13.4% are between 10 and 19.

[9] The historical population is given in the following chart:[3][13] The entire village of Cuarnens is designated as part of the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the SP which received 27.43% of the vote.

In the federal election, a total of 137 votes were cast, and the voter turnout was 52.5%.

[9] There were 190 residents of the municipality who were employed in some capacity, of which females made up 38.9% of the workforce.

In the tertiary sector; 11 or 45.8% were in wholesale or retail sales or the repair of motor vehicles, 1 was in the movement and storage of goods, 3 or 12.5% were in a hotel or restaurant, and 7 or 29.2% were in health care.

[9] From the 2000 census[update], 54 or 13.7% were Roman Catholic, while 256 or 64.8% 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.

[18] During the school year, the political district provided pre-school care for a total of 631 children of which 203 children (32.2%) received subsidized pre-school care.

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