Quebec County was a historic county in the province of Quebec, Canada. The county included the Quebec City metropolitan area and extended northwestward. The county seat was Loretteville. Quebec County was used as an electoral district in the first election held for members of the Legislative Assembly of Lower Canada in 1792.

Creation (1855)

The County was established on July 1, 1855, encompassing all municipalities and unorganized territory within the following limits: In 1896, in addition to the unorganized territory, the County comprised the following entities: In 1864, Saint-Colomb-de-Sillery was granted the powers of a county council for certain limited purposes.

Municipalities

The county included the following municipalities/townships:

Municipal reorganization (1970-1981)

The municipalities constituting the suburban area surrounding Quebec City were withdrawn from the County at the beginning of 1970 to form the Communauté urbaine de Québec. When Quebec's county boundaries were redrawn into Regional County Municipalities the county was dissolved mostly into La Jacques-Cartier, with small parts going to Le Haut-Saint-Maurice and Portneuf.