In the ninth century it became a countship, which about 1013 passed to the bishops of Beauvais, who became peers of France from the twelfth century.
: "commune") Beauvais je imela 54.289 prebivalcev (leta 2012) po podatkih INSEE (Institut national de la statistique et des études économiques), in velja za najbolj naseljeno mesto v departmaju Oise in tretje najbolj naseljeno mesto v Picardiji.