[3] Cartigny has an area, as of 2009[update], of 4.38 square kilometers (1.69 sq mi).

[4] The municipality is located in the center of the Swiss Champagne valley.

It consists of the villages of Cartigny and La Petite Grave.

The municipality of Cartigny consists of the sub-sections or villages of Nant des Crues, Moulin-de-Vert, Longemalle, La Petite-Grave and Bois-de-Saint-Victor .

[9] Most of the population (as of 2000[update]) speaks French (632 or 84.5%), with English being second most common (51 or 6.8%) and German being third (23 or 3.1%).

[10] As of 2008[update], the gender distribution of the population was 49.1% male and 50.9% female.

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

In the federal election, a total of 316 votes were cast, and the voter turnout was 64.2%.

[15] In the 2009 Grand Conseil election, there were a total of 518 registered voters of which 289 (55.8%) voted.

The second most popular party was the Les Verts (with 14.6%), they were also second in the canton-wide election, while the third most popular party was the Les Socialistes (with 12.9%), they were fourth in the canton-wide election.

[16] For the 2009 Conseil d'Etat election, there were a total of 517 registered voters of which 342 (66.2%) voted.

[9] There were 391 residents of the municipality who were employed in some capacity, of which females made up 43.5% of the workforce.

The number of jobs in the primary sector was 22, of which 17 were in agriculture and 5 were in forestry or lumber production.

In the tertiary sector; 18 or 12.4% were in wholesale or retail sales or the repair of motor vehicles, 16 or 11.0% were in a hotel or restaurant, 1 was in the information industry, 8 or 5.5% were technical professionals or scientists, 4 or 2.8% were in education and 1 was in health care.

[9] From the 2000 census[update], 218 or 29.1% were Roman Catholic, while 276 or 36.9% belonged to the Swiss Reformed Church.

The education system in the Canton of Geneva allows young children to attend two years of non-obligatory Kindergarten.

The canton's school system provides two years of non-mandatory kindergarten and requires students to attend six years of primary school, with some of the children attending smaller, specialized classes.