Sandringham lies about 18 kilometres south of the Sydney central business district, positioned on the western shore of Botany Bay within the Bayside Council.
The suburb had a population of 1,275 at the 2021 census, showing modest growth from 1,238 in 2016 across an area of approximately 0.5 square kilometres.
Most households comprise couples with children, with a predominant age group of 50–59 years, while owner‑occupancy remained stable at roughly 72.5 per cent in 2021.
Professionals represent a notable share of workers, and mortgage repayments commonly exceed $4 000 per month.
Residents aged 15 years and over earned median personal incomes of about $978 weekly, median family incomes of $2,808, and median household incomes of $2,101.
Cultural diversity includes 33.6 per cent of residents born overseas, with origins including Greece, China, Egypt, North Macedonia and England; English was spoken exclusively at home by 60.5 per cent, while Greek (13.6 per cent), Arabic and Macedonian were among other common languages.
Sandringham residents demonstrated relatively high participation in the labour force, with 57.8 per cent employed full‑time and 29.9 per cent part‑time.
Car travel dominates commuting patterns, with 42.1 per cent driving to work and small proportions using bus services or walking.
Public transport services are limited, without a local train station, though bus routes offer connections to nearby centres and major roads.
Essential amenities cluster around the intersection of Clareville Avenue and Russell Avenue, where a small group of shops sits on the border with Sans Souci.
Recreational options include Cook Park along the bay, Cook Park’s reserves, Sandringham Bay and Sandringham Baths, and the Georges River Sailing Club on the foreshore, providing water‑based activities and green space.