Prilly (French pronunciation: [pʁiji]) is a municipality in Switzerland in the canton of Vaud, located in the district of Ouest Lausannois.

[3] Prilly has an area, as of 2009[update], of 2.19–2.18 square kilometers (0.85–0.84 sq mi) (depending on calculation method).

Of the rest of the land, 1.8 km2 (0.69 sq mi) or 82.2% is settled (buildings or roads).

[5] The village of Prilly is developed along the Lausanne-Jougne street and is now part of the agglomeration of Lausanne.

It consists of the village of Prilly and the hamlets of Le Chasseur, La Fleur-de-Lys and L'Union, all three of which developed along the Prilly-Neuchâtel road.

The blazon of the municipal coat of arms is Party gules and vert, a fleur de lys or, overall.

[9] Most of the population (as of 2000[update]) speaks French (8,774 or 80.1%), with Italian being second most common (503 or 4.6%) and German being third (364 or 3.3%).

[8] The age distribution, as of 2009[update], in Prilly is; 1,110 children or 9.9% of the population are between 0 and 9 years old and 1,081 teenagers or 9.7% 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 SP which received 25.87% of the vote.

In the federal election, a total of 2,423 votes were cast, and the voter turnout was 41.9%.

[9] There were 5,276 residents of the municipality who were employed in some capacity, of which females made up 45.2% of the workforce.

In the tertiary sector; 641 or 22.4% were in wholesale or retail sales or the repair of motor vehicles, 41 or 1.4% were in the movement and storage of goods, 127 or 4.4% were in a hotel or restaurant, 89 or 3.1% were in the information industry, 700 or 24.5% were the insurance or financial industry, 259 or 9.0% were technical professionals or scientists, 129 or 4.5% were in education and 639 or 22.3% were in health care.

[9] From the 2000 census[update], 4,357 or 39.8% were Roman Catholic, while 3,588 or 32.8% belonged to the Swiss Reformed Church.

There is also service from the bus and trolleybus lines of Transports publics de la région lausannoise.

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.

The library has (as of 2008[update]) 23,573 books or other media, and loaned out 74,031 items in the same year.

It was open a total of 300 days with average of 18 hours per week during that year.