Ronchin

Ronchin
Coat of arms
Ronchin
Location within Hauts-de-France region  Ronchin
Coordinates: 50°36′19″N 3°05′19″E / 50.6053°N 3.0886°E / 50.6053; 3.0886Coordinates: 50°36′19″N 3°05′19″E / 50.6053°N 3.0886°E / 50.6053; 3.0886
Country	France
Region	Hauts-de-France
Department	Nord
Arrondissement	Lille
Canton	Lille-4
Intercommunality	Lille Métropole
Government
• Mayor (2008–2014)	Alain Rabary
Area1	5.42 km2 (2.09 sq mi)
Population (1999)2	17,999
• Density	3,300/km2 (8,600/sq mi)
Time zone	CET (UTC+1)
• Summer (DST)	CEST (UTC+2)
INSEE/Postal code	59507 /59790
Elevation	28–57 m (92–187 ft) (avg. 40 m or 130 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries. 2Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.

¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

Ronchin is a commune in the Nord department in northern France.

It is part of the Urban Community of Lille Métropole.

Or, on an escarbuncle sable a ruby gules. (Abscon, Beuvry-la-Forêt, Erre, Fenain, Marchiennes, Ronchin, Tilloy-lez-Marchiennes and Wandignies-Hamage use the same arms.)