Alonnah, TAS

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

20/100

Suburb Score

Less advantaged than the national average

Alonnah is more socio-economically advantaged than about 20% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 927, 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.

Alonnah at a glance

Population (2021): 164
Median age: 59
Median weekly household income: $747
SEIFA score: 927
Coordinates: -43.3185, 147.2638

Alonnah demographics (2021 Census)

The figures below profile Alonnah 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 seniors (65+) at 35%, 16% of homes are rented, and 23% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	16	10%
Youth (15–24)	14	8%
Young adults (25–44)	21	13%
Mid-life (45–64)	57	34%
Seniors (65+)	58	35%

Share of the 166 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	42	52%
Owned with a mortgage	16	20%
Rented	13	16%

Dwelling type	Dwellings	Share
Houses	68	94%
Townhouses & semis	0	0%
Flats & apartments	0	0%

Tenure and dwelling shares are of the roughly 72 occupied private dwellings in Alonnah.

Median weekly rent: $190
Median monthly mortgage: $988
Average household size: 1.8 people
Median weekly family income: $1,375
Median weekly personal income: $566

Community and culture

Born overseas: 34 (23%)
Speaks a language other than English at home: 18 (12%)
Aboriginal and/or Torres Strait Islander: 4 (2%)

Work and education

Completed Year 12: 74 (49%)
Labour-force participation: 42.9%
Unemployment rate: 7.5%
Employed full-time: 32
Employed part-time: 31

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 Alonnah

Where is Alonnah?

Alonnah is a suburb of Tasmania, Australia.

What is the population of Alonnah?

At the 2021 Census, Alonnah had a population of about 164.

Is Alonnah an advantaged area?

Alonnah has an ABS SEIFA score of 927, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 20 out of 100 — more socio-economically advantaged than about 20% of Australian suburbs.