Bailly, Yvelines

Commune in Île-de-France, France

Coat of arms

Location of Bailly

(2020–2026) Jacques Alexis^[1]Area

6.53 km² (2.52 sq mi)Population

(2021)^[2]

3,650 • Density560/km² (1,400/sq mi)Time zoneUTC+01:00 (CET) • Summer (DST)UTC+02:00 (CEST)INSEE/Postal code

78043 /78870

Elevation92–182 m (302–597 ft)
(avg. 181 m or 594 ft)¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

Bailly (French pronunciation: [baji]) is a commune in the Yvelines department in north-central France.

Population

Historical population
Year	Pop.	±% p.a.
1968	1,191	—
1975	1,885	+6.78%
1982	3,679	+10.02%
1990	4,145	+1.50%
1999	4,094	−0.14%
2007	3,999	−0.29%
2012	3,894	−0.53%
2017	3,721	−0.90%
Source: INSEE^[3]

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