Boissy-sous-Saint-Yon

Commune in Île-de-France, France

Coat of arms

Location of Boissy-sous-Saint-Yon

(2020–2026) Raoul Saada^[1]Area

8.04 km² (3.10 sq mi)Population

(2021)^[2]

3,828 • Density480/km² (1,200/sq mi)Time zoneUTC+01:00 (CET) • Summer (DST)UTC+02:00 (CEST)INSEE/Postal code

91085 /91790

Elevation69–156 m (226–512 ft)¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

Boissy-sous-Saint-Yon (French pronunciation: [bwasi su sɛ̃.t‿jɔ̃] ^ⓘ, literally Boissy under Saint-Yon) is a commune in the Essonne department in Île-de-France in northern France.

Population

Historical population
Year	Pop.	±% p.a.
1968	1,017	—
1975	1,211	+2.53%
1982	2,543	+11.18%
1990	3,309	+3.35%
1999	3,566	+0.83%
2007	3,641	+0.26%
2012	3,696	+0.30%
2017	3,868	+0.91%
Source: INSEE^[3]

Inhabitants of Boissy-sous-Saint-Yon are known as Buxéens in French.

References

^ "Répertoire national des élus: les maires" (in French). data.gouv.fr, Plateforme ouverte des données publiques françaises. 13 September 2022.
^ "Populations légales 2021". The National Institute of Statistics and Economic Studies. 28 December 2023.
^ Population en historique depuis 1968, INSEE