Llanarth (NSW), NSW

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

84/100

Suburb Score

Among Australia's more advantaged suburbs

Llanarth (NSW) is more socio-economically advantaged than about 84% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1053, 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.

Llanarth (NSW) at a glance

Population (2021): 2,302
Median age: 38
Median weekly household income: $2,348
SEIFA score: 1053
Coordinates: -33.3979, 149.5507

Llanarth (NSW) demographics (2021 Census)

The figures below profile Llanarth (NSW) 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 mid-life (45–64) at 28%, 18% of homes are rented, and 12% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	502	22%
Youth (15–24)	306	13%
Young adults (25–44)	501	22%
Mid-life (45–64)	651	28%
Seniors (65+)	340	15%

Share of the 2,300 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	294	37%
Owned with a mortgage	342	43%
Rented	146	18%

Dwelling type	Dwellings	Share
Houses	780	100%
Townhouses & semis	0	0%
Flats & apartments	0	0%

Tenure and dwelling shares are of the roughly 780 occupied private dwellings in Llanarth (NSW).

Median weekly rent: $440
Median monthly mortgage: $2,000
Average household size: 2.8 people
Median weekly family income: $2,542
Median weekly personal income: $1,001

Community and culture

Born overseas: 280 (12%)
Speaks a language other than English at home: 158 (7%)
Aboriginal and/or Torres Strait Islander: 106 (5%)

Work and education

Completed Year 12: 1,023 (61%)
Labour-force participation: 69%
Unemployment rate: 2.3%
Employed full-time: 789
Employed part-time: 364

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 Llanarth (NSW)

Based on 2014–2023 records, the warmest month in Llanarth (NSW) is January (average daytime high around 26.9°C) and the coolest is July (around 10.4°C). The area receives roughly 718 mm of rain across the year.

Month	Avg high	Avg low	Rain
Jan	26.9°C	14.4°C	70 mm
Feb	25.6°C	13.2°C	53 mm
Mar	22.8°C	11.9°C	73 mm
Apr	18.7°C	8°C	52 mm
May	13.9°C	4.3°C	37 mm
Jun	10.9°C	2.3°C	45 mm
Jul	10.4°C	1.5°C	49 mm
Aug	11.5°C	1.6°C	57 mm
Sep	15.2°C	3.9°C	51 mm
Oct	19.2°C	7.1°C	70 mm
Nov	21.8°C	9.4°C	82 mm
Dec	24.9°C	12°C	79 mm

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

Common questions about Llanarth (NSW)

Where is Llanarth (NSW)?

Llanarth (NSW) is a suburb of New South Wales, Australia.

What is the population of Llanarth (NSW)?

At the 2021 Census, Llanarth (NSW) had a population of about 2,302.

Is Llanarth (NSW) an advantaged area?

Llanarth (NSW) has an ABS SEIFA score of 1053, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 84 out of 100 — more socio-economically advantaged than about 84% of Australian suburbs.

What is the weather like in Llanarth (NSW)?

Llanarth (NSW) has average daytime highs of about 18.5°C and overnight lows of about 7.5°C, with roughly 718 mm of rain across the year (based on 2014–2023 climate normals).