Isaacs, ACT

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

97/100

Suburb Score

Among Australia's more advantaged suburbs

Isaacs is more socio-economically advantaged than about 97% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1115, 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.

Isaacs at a glance

Population (2021): 2,379
Median age: 49
Median weekly household income: $2,670
SEIFA score: 1115
Coordinates: -35.3666, 149.1153

Isaacs demographics (2021 Census)

The figures below profile Isaacs 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%, 17% of homes are rented, and 37% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	344	14%
Youth (15–24)	231	10%
Young adults (25–44)	477	20%
Mid-life (45–64)	673	28%
Seniors (65+)	652	27%

Share of the 2,377 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	470	51%
Owned with a mortgage	274	30%
Rented	158	17%

Dwelling type	Dwellings	Share
Houses	766	84%
Townhouses & semis	147	16%
Flats & apartments	0	0%

Tenure and dwelling shares are of the roughly 913 occupied private dwellings in Isaacs.

Median weekly rent: $520
Median monthly mortgage: $2,300
Average household size: 2.5 people
Median weekly family income: $3,148
Median weekly personal income: $1,307

Community and culture

Born overseas: 846 (37%)
Speaks a language other than English at home: 728 (32%)
Aboriginal and/or Torres Strait Islander: 40 (2%)

Work and education

Completed Year 12: 1,522 (78%)
Labour-force participation: 57.5%
Unemployment rate: 4.2%
Employed full-time: 751
Employed part-time: 321

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 Isaacs

Based on 2014–2023 records, the warmest month in Isaacs is January (average daytime high around 27.8°C) and the coolest is July (around 10.6°C). The area receives roughly 800 mm of rain across the year.

Month	Avg high	Avg low	Rain
Jan	27.8°C	14.5°C	76 mm
Feb	26.1°C	13.5°C	59 mm
Mar	23.2°C	11.8°C	73 mm
Apr	19.1°C	7.9°C	54 mm
May	14.4°C	3.3°C	46 mm
Jun	11.2°C	1.5°C	62 mm
Jul	10.6°C	0.7°C	43 mm
Aug	11.9°C	0.9°C	67 mm
Sep	15.6°C	3.2°C	63 mm
Oct	19.4°C	6.7°C	76 mm
Nov	22.2°C	9.5°C	94 mm
Dec	25.4°C	12.2°C	87 mm

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

Common questions about Isaacs

Where is Isaacs?

Isaacs is a suburb of Australian Capital Territory, Australia.

What is the population of Isaacs?

At the 2021 Census, Isaacs had a population of about 2,379.

Is Isaacs an advantaged area?

Isaacs has an ABS SEIFA score of 1115, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 97 out of 100 — more socio-economically advantaged than about 97% of Australian suburbs.

What is the weather like in Isaacs?

Isaacs has average daytime highs of about 18.9°C and overnight lows of about 7.1°C, with roughly 800 mm of rain across the year (based on 2014–2023 climate normals).