L'Isle is a municipality of the canton of Vaud in Western Switzerland, located in the district of Morges.

[5] The municipality is located at the foot of the Jura Mountains at the sources and along the Venoge river.

It consists of the village of L'Isle and the hamlets of Villars-Bozon, La Coudre, Les Mousses.

The blazon of the municipal coat of arms is Per pale Argent and Azure, bordered Or.

[9] Most of the population (as of 2000[update]) speaks French (807 or 94.1%), with German being second most common (23 or 2.7%) and Portuguese being third (11 or 1.3%).

[8] The age distribution, as of 2009[update], in L'Isle is; 91 children or 9.4% of the population are between 0 and 9 years old and 117 teenagers or 12.1% are between 10 and 19.

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

The entire L'Isle area is part of the Inventory of Swiss Heritage Sites.

[14] The Venoge river passes through L'Isle, and feeds the Pond in front of the Manor, built by Charles de Chandieu between 1694 and 1696.

In the federal election, a total of 242 votes were cast, and the voter turnout was 36.6%.

[9] There were 462 residents of the municipality who were employed in some capacity, of which females made up 45.7% of the workforce.

The number of jobs in the primary sector was 55, of which 39 were in agriculture, 8 were in forestry or lumber production and 8 were in fishing or fisheries.

The number of jobs in the secondary sector was 80 of which 25 or (31.3%) were in manufacturing, 5 or (6.3%) were in mining and 50 (62.5%) were in construction.

In the tertiary sector; 40 or 27.6% were in wholesale or retail sales or the repair of motor vehicles, 75 or 51.7% were in the movement and storage of goods, 5 or 3.4% were in a hotel or restaurant, 2 or 1.4% were the insurance or financial industry, 4 or 2.8% were technical professionals or scientists, 9 or 6.2% were in education and 3 or 2.1% were in health care.

From the 2000 census[update], 135 or 15.7% were Roman Catholic, while 573 or 66.8% 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.

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