The number of citizens has evolved over historical events and industrial modernization.
The figure of 3,000 people was exceeded in the 19th century and is currently just over 2,000 inhabitants.
People of Picardy are described as brave and loyal and true to their origins by scholars in the 18th century. This is especially true for the people of Vignacourt. They faced several attacks in the village, especially in the 17th century and they crossed several wars. The church was destroyed several times and always rebuilt by the willingness of its residents.
A British soldier during the war described locals as friendly and helpful people.