Westlock County is a municipal district in central Alberta, Canada that is north of Edmonton.

The county lies on the boundary of two of Canada's largest drainage basins.

A 1986 federal map shows the area as being the north-western edge of the Eastern Alberta Plains.

[3] The county also lies within the apen parkland: a transitional biome between the boreal forest of Canada to the north and the prairie to the south.

[6] The municipal government consists of a reeve and six other elected councillors who work with a permanent staff of 32.