|Intercommunality||Le Bocage et l'Hallue|
|• Mayor (2001–2008)||Claude Deflesselle|
|Area1||6.08 km2 (2.35 sq mi)|
|• Density||47/km2 (120/sq mi)|
|INSEE/Postal code||80202 / 80260|
|Elevation||71–129 m (233–423 ft)
(avg. 110 m or 360 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
Coisy is situated on the D11a between the D11 and the N25, some 5 miles (8 km) north of Amiens.
Coisy is first mentioned in the 12th century, when it was under the jurisdiction of the seigneurs of Beauquesne.
By the end of the 14th century, Coisy was governed by the Bureau de la Rivière.
Protestant assemblies were set up in 1570.
|From the year 1962 on: No double counting—residents of multiple communes (e.g. students and military personnel) are counted only once.|
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