The City of Penrith is a local government area in the state of New South Wales, Australia.

On 3 March 1890, St Marys was separately incorporated, and on 26 July 1893 and 9 September 1895, Mulgoa and Castlereagh followed respectively.

[3] At the 2021 census, there were 217,644 people in the Penrith local government area, of these 49.4% were male and 50.6% were female.

Aboriginal and Torres Strait Islander people made up 5% of the population; notably above the national average of 3.4%.

[5] The median weekly income for residents within the City of Penrith was on with par with the national average.

In excess of 28.7% of all residents in the City of Penrith area nominated a religious affiliation with Christianity at the 2021 census, which was fairly higher than the national average of 20%.