Chéserex (French pronunciation: [ʃez(ə)ʁɛ] ⓘ) is a municipality in the district of Nyon in the canton of Vaud in Switzerland.

[3] Chéserex has an area, as of 2009[update], of 10.6 square kilometers (4.1 sq mi).

It consists of the village of Chéserex, the former Bonmont Abbey and the La Florettaz settlement.

Gules, in base a Coupeaux Vert, two Keys saltirewise Argent.

[9] Most of the population (as of 2000[update]) speaks French (828 or 79.4%), with German being second most common (83 or 8.0%) and English being third (69 or 6.6%).

[10] The age distribution, as of 2009[update], in Chéserex is; 138 children or 11.4% of the population are between 0 and 9 years old and 168 teenagers or 13.8% are between 10 and 19.

[9] The historical population is given in the following chart:[3][13] The Church of the Old Bonmont Abbey is listed as a Swiss heritage site of national significance.

[14] In the 2007 federal election the most popular party was the SVP which received 23.48% of the vote.

[9] There were 564 residents of the municipality who were employed in some capacity, of which females made up 42.6% of the workforce.

In the tertiary sector; 10 or 10.1% were in wholesale or retail sales or the repair of motor vehicles, 36 or 36.4% were in a hotel or restaurant, 1 was in the information industry, 6 or 6.1% were technical professionals or scientists, 6 or 6.1% were in education.

[9] From the 2000 census[update], 342 or 32.8% were Roman Catholic, while 411 or 39.4% belonged to the Swiss Reformed Church.

The wettest month is December during which time Chéserex receives an average of 148 mm (5.8 in) of rain or snow.

The driest month of the year is July with an average of 75 mm (3.0 in) of precipitation over 8.8 days.

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.