Marayong, NSW

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

28/100

Suburb Score

Less advantaged than the national average

Marayong is more socio-economically advantaged than about 28% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 947, 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.

Marayong at a glance

Population (2021): 7,834
Median age: 36
Median weekly household income: $1,593
SEIFA score: 947
Coordinates: -33.7492, 150.8919

Marayong demographics (2021 Census)

The figures below profile Marayong 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 30%, 40% of homes are rented, and 48% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	1,516	19%
Youth (15–24)	974	12%
Young adults (25–44)	2,353	30%
Mid-life (45–64)	1,660	21%
Seniors (65+)	1,331	17%

Share of the 7,834 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	657	25%
Owned with a mortgage	827	32%
Rented	1,058	40%

Dwelling type	Dwellings	Share
Houses	2,299	88%
Townhouses & semis	202	8%
Flats & apartments	119	5%

Tenure and dwelling shares are of the roughly 2,627 occupied private dwellings in Marayong.

Median weekly rent: $379
Median monthly mortgage: $2,133
Average household size: 2.8 people
Median weekly family income: $1,843
Median weekly personal income: $680

Community and culture

Born overseas: 3,587 (48%)
Speaks a language other than English at home: 3,652 (49%)
Aboriginal and/or Torres Strait Islander: 228 (3%)

Work and education

Completed Year 12: 3,498 (58%)
Labour-force participation: 53.7%
Unemployment rate: 6.8%
Employed full-time: 1,703
Employed part-time: 970

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.

Weather and climate in Marayong

Based on 2014–2023 records, the warmest month in Marayong is January (average daytime high around 28.4°C) and the coolest is July (around 16.8°C). The area receives roughly 854 mm of rain across the year.

Month	Avg high	Avg low	Rain
Jan	28.4°C	18.6°C	85 mm
Feb	27.1°C	18.1°C	92 mm
Mar	25.4°C	16.9°C	139 mm
Apr	22.9°C	13.6°C	72 mm
May	19.7°C	10°C	37 mm
Jun	16.7°C	8°C	57 mm
Jul	16.8°C	7.1°C	56 mm
Aug	17.9°C	7.6°C	52 mm
Sep	20.9°C	9.8°C	44 mm
Oct	23.7°C	12.6°C	77 mm
Nov	25.2°C	14.7°C	73 mm
Dec	27.5°C	16.9°C	70 mm

Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).

Common questions about Marayong

Where is Marayong?

Marayong is a suburb of New South Wales, Australia.

What is the population of Marayong?

At the 2021 Census, Marayong had a population of about 7,834.

Is Marayong an advantaged area?

Marayong has an ABS SEIFA score of 947, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 28 out of 100 — more socio-economically advantaged than about 28% of Australian suburbs.

What is the weather like in Marayong?

Marayong has average daytime highs of about 22.7°C and overnight lows of about 12.8°C, with roughly 854 mm of rain across the year (based on 2014–2023 climate normals).