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

[3] It is also known as the place of establishment of Le Congrès International d'Architecture Moderne in 1928.

La Sarraz has an area, as of 2009[update], of 7.71 square kilometers (2.98 sq mi).

The blazon of the municipal coat of arms is Per pale Gules and Or, overall capital S Argent lined Sable.

[9] Most of the population (as of 2000[update]) speaks French (1,461 or 84.5%), with German being second most common (79 or 4.6%) and Portuguese being third (64 or 3.7%).

[8] The age distribution, as of 2009[update], in La Sarraz is; 244 children or 11.3% of the population are between 0 and 9 years old and 254 teenagers or 11.8% are between 10 and 19.

[9] The historical population is given in the following chart:[3][13] The Chapelle Saint-Antoine and La Sarraz Castle are listed as Swiss heritage site of national significance.

The entire old town of La Sarraz is part of the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the SVP which received 22.25% of the vote.

In the federal election, a total of 478 votes were cast, and the voter turnout was 45.4%.

[9] There were 909 residents of the municipality who were employed in some capacity, of which females made up 44.4% of the workforce.

The number of jobs in the secondary sector was 153 of which 36 or (23.5%) were in manufacturing, 16 or (10.5%) were in mining and 100 (65.4%) were in construction.

In the tertiary sector; 80 or 26.1% were in wholesale or retail sales or the repair of motor vehicles, 15 or 4.9% were in the movement and storage of goods, 19 or 6.2% were in a hotel or restaurant, 4 or 1.3% were in the information industry, 13 or 4.2% were the insurance or financial industry, 18 or 5.9% were technical professionals or scientists, 52 or 17.0% were in education and 12 or 3.9% were in health care.

[9] From the 2000 census[update], 445 or 25.8% were Roman Catholic, while 840 or 48.6% 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.

[17] The municipality has a railway station, La Sarraz, on the Simplon line.