This is a list of population demographics of New South Wales by local government area as at the 2016 census.^a

The local government area with the largest population was City of Canterbury-Bankstown with 346,302 people resident on census night; and the area with the smallest population was Lord Howe Island with 698.^a As at census night, the local government area with the largest population density was the City of Sydney with approximately 8,335 people per square kilometre; and the area with the smallest population density was the Unincorporated Far West with approximately 0.01 person per square kilometre.

^a As of 27 June 2017^[update], ABS census data for the Unincorporated Far West region was available for the 2011 census only.