The Charlestown electorate is an area of just under 68 square kilometres taking in the north eastern corner of the City of Lake Macquarie local government area, as well as taking in some of southern suburbs from the City of Newcastle local government area.

Suburbs in the electorate include: Adamstown, Adamstown Heights, Belmont North, Bennetts Green, Cardiff, Cardiff Heights, Charlestown, Dudley, Eleebana, Garden Suburb, Gateshead, Highfields, Hillsborough, Jewells, Kahibah, Kotara, Kotara South, Merewether, Mount Hutton, New Lambton, New Lambton Heights, Tingira Heights, Warners Bay, Whitebridge and Windale.

Demographics

The Charlestown electorate has a population of around 76,000 with a median age of 40, Children aged 0 - 14 years making up 19.1% of the population and people aged 65 years and over comprising 19.4% of the population, according to the 2021 census.

89.3% of people over the age of 15 were employed as at the 2016 census date, and of these 6.3% worked in Hospitals (except Psychiatric Hospitals). Other area of employment included Other Social Assistance Services 3.6%, Secondary Education 2.8%, and Primary Education workers and Takeaway Food Services workers each comprising 2.5%.

The median weekly personal income for people aged 15 years and over in Charlestown was $843.

4.5% of people in Charlestown identify as Aboriginal and/or Torres Strait Islander against a national average of 3.2%.

More 2021 census data on the Charlestown electorate can be found here.