Brockley, NSW

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

77/100

Suburb Score

More advantaged than the national average

Brockley is more socio-economically advantaged than about 77% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1037, where about 1000 is the national average).

A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.

Brockley at a glance

Population (2021): 51
Median age: 32
Median weekly household income: $1,875
SEIFA score: 1037
Coordinates: -30.2597, 151.8613

Brockley demographics (2021 Census)

The figures below profile Brockley 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 children (0–14) at 29%, 39% of homes are rented, and 0% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	14	29%
Youth (15–24)	11	23%
Young adults (25–44)	9	19%
Mid-life (45–64)	11	23%
Seniors (65+)	3	6%

Share of the 48 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	5	28%
Owned with a mortgage	6	33%
Rented	7	39%

Dwelling type	Dwellings	Share
Houses	15	83%
Townhouses & semis	3	17%
Flats & apartments	0	0%

Tenure and dwelling shares are of the roughly 18 occupied private dwellings in Brockley.

Median weekly rent: $290
Median monthly mortgage: $1,517
Average household size: 3.4 people
Median weekly family income: $1,833
Median weekly personal income: $574

Community and culture

Born overseas: 0 (0%)
Speaks a language other than English at home: 0 (0%)
Aboriginal and/or Torres Strait Islander: 3 (6%)

Work and education

Completed Year 12: 18 (50%)
Labour-force participation: 69.2%
Unemployment rate: 3.7%
Employed full-time: 14
Employed part-time: 12

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.

Common questions about Brockley

Where is Brockley?

Brockley is a suburb of New South Wales, Australia.

What is the population of Brockley?

At the 2021 Census, Brockley had a population of about 51.

Is Brockley an advantaged area?

Brockley has an ABS SEIFA score of 1037, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 77 out of 100 — more socio-economically advantaged than about 77% of Australian suburbs.