Bonnie Brook, VIC

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

57/100

Suburb Score

Around the national middle

Bonnie Brook is more socio-economically advantaged than about 57% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1000, 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.

Bonnie Brook at a glance

Population (2021): 333
Median age: 39
Median weekly household income: $1,625
SEIFA score: 1000
Coordinates: -37.6956, 144.6660

Bonnie Brook demographics (2021 Census)

The figures below profile Bonnie Brook 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 35%, 17% of homes are rented, and 39% of residents were born overseas.

Age profile

Age group	People	Share
Children (0–14)	44	13%
Youth (15–24)	31	9%
Young adults (25–44)	113	35%
Mid-life (45–64)	68	21%
Seniors (65+)	71	22%

Share of the 327 people counted by age.

Housing and households

Tenure	Dwellings	Share
Owned outright	51	42%
Owned with a mortgage	37	31%
Rented	20	17%

Dwelling type	Dwellings	Share
Houses	107	88%
Townhouses & semis	0	0%
Flats & apartments	14	12%

Tenure and dwelling shares are of the roughly 121 occupied private dwellings in Bonnie Brook.

Median weekly rent: $381
Median monthly mortgage: $2,248
Average household size: 2.6 people
Median weekly family income: $1,906
Median weekly personal income: $729

Community and culture

Born overseas: 125 (39%)
Speaks a language other than English at home: 122 (39%)
Aboriginal and/or Torres Strait Islander: 3 (1%)

Work and education

Completed Year 12: 148 (53%)
Labour-force participation: 58.2%
Unemployment rate: 2.4%
Employed full-time: 90
Employed part-time: 53

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 Bonnie Brook

Based on 2014–2023 records, the warmest month in Bonnie Brook is January (average daytime high around 26.6°C) and the coolest is July (around 12.9°C). The area receives roughly 658 mm of rain across the year.

Month	Avg high	Avg low	Rain
Jan	26.6°C	14.8°C	57 mm
Feb	25.5°C	14.2°C	29 mm
Mar	23.8°C	13.3°C	42 mm
Apr	19.9°C	10.8°C	57 mm
May	16.1°C	8.6°C	53 mm
Jun	13.4°C	6.8°C	58 mm
Jul	12.9°C	6.2°C	46 mm
Aug	13.6°C	6.3°C	52 mm
Sep	16.2°C	7.3°C	57 mm
Oct	19.4°C	8.8°C	71 mm
Nov	21.5°C	10.7°C	70 mm
Dec	24.2°C	12.5°C	66 mm

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

Common questions about Bonnie Brook

Where is Bonnie Brook?

Bonnie Brook is a suburb of Victoria, Australia.

What is the population of Bonnie Brook?

At the 2021 Census, Bonnie Brook had a population of about 333.

Is Bonnie Brook an advantaged area?

Bonnie Brook has an ABS SEIFA score of 1000, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 57 out of 100 — more socio-economically advantaged than about 57% of Australian suburbs.

What is the weather like in Bonnie Brook?

Bonnie Brook has average daytime highs of about 19.4°C and overnight lows of about 10°C, with roughly 658 mm of rain across the year (based on 2014–2023 climate normals).