Olympic Dam, SA

By Lauren McCaleb · Reviewed by Dylan Duncan · Updated 30 May 2026

Olympic Dam at a glance

Population (2021): 308
Median age: 36
Median weekly household income: $1,625
Local government area: Roxby Downs
Coordinates: -30.5027, 136.8763

Map of Olympic Dam

Olympic Dam demographics (2021 Census)

The figures below profile Olympic Dam using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is young adults (25–44) at 57% and 30% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	0	0%
Youth (15–24)	36	12%
Young adults (25–44)	172	57%
Mid-life (45–64)	84	28%
Seniors (65+)	8	3%

Share of the 300 people counted by age.

Housing and households

Average household size: 1 people
Median weekly personal income: $2,212

Community and culture

Born overseas: 63 (30%)
Speaks a language other than English at home: 40 (20%)
Aboriginal and/or Torres Strait Islander: 10 (3%)

Work and education

Completed Year 12: 110 (36%)
Labour-force participation: 64.1%
Unemployment rate: 1%
Employed full-time: 162
Employed part-time: 15

Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.

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Common questions about Olympic Dam

Where is Olympic Dam?

Olympic Dam is a suburb of South Australia, Australia, in the Roxby Downs local government area.