Northbridge (NSW), NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Northbridge is a quiet, leafy pocket of Sydney's Lower North Shore, occupying a peninsula that reaches into Middle Harbour and is wrapped by bush and water on three sides. With no through traffic, it keeps an unhurried, village feel within easy reach of the harbour. The suburb takes its name from a sandstone suspension bridge completed in the early eighteen-nineties; built in a romantic Federation Gothic style with medieval flourishes, it is now known as the Long Gully Bridge and remains a local landmark linking the area to Cammeray. Early settlement centred on Fig Tree Point, where Sydney jeweller William Twemlow built a sandstone home cut from stone quarried on the estate. Today Northbridge offers bushland reserves, water views and a relaxed residential character close to Chatswood.
Among Australia's more advantaged suburbs
Northbridge (NSW) is more socio-economically advantaged than about 99% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1181, 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.
Is Northbridge (NSW) a good place to live?
There’s no single answer — it depends on what matters to you. So instead of one mystery number, we break it down: a transparent score on each part of life we can back with public data, and an honest “not yet” on the parts we can’t.
Strong on the data we score
A weighted blend of the 2 components we can score for Northbridge (NSW) from public data. It sits alongside — and reconciles with — the socio-economic Suburb Score above; it is a transparent read, not a complete verdict.
Socio-economic advantage
99/100Among Australia's more advantaged suburbs
Among Australia's more advantaged suburbs — the same ABS SEIFA-based Suburb Score (99/100) shown above. Income, education and occupation, as published by the ABS. · ABS SEIFA 2021
Housing affordability
1/100Among the more expensive suburbs
Median weekly rent was $740 at the 2021 Census — more affordable than about 1% of suburbs we can compare. Housing data only, no valuations. · ABS Census 2021
Not yet scored
We’d rather leave these open than publish a number we can’t stand behind. Here’s where each one stands.
- Amenities & accessNot scored yet — our OpenStreetMap amenity mapping is still rolling out across suburbs.
- Green spaceNot scored yet — our OpenStreetMap green-space mapping is still rolling out across suburbs.
- TransportNot scored yet — our OpenStreetMap public-transport mapping is still rolling out across suburbs.
- SchoolsNot scored yet — school performance (ACARA / ICSEA) needs a data-reuse licence cleared before we can publish it.
- SafetyNot scored yet — Australia has no single open crime dataset and safety data carries defamation and legal care, so it is gated pending a go/no-go and will be data-only when added.
- CommunityNot scored yet — we won't reduce community to a number from a proxy. We'd rather leave it open than publish an invented value judgement.
A transparent read on public data, not a verdict — and not a measure of any person or community. See our methodology for how each component is worked out and why some aren’t scored yet.
Northbridge (NSW) at a glance
- Population (2021)
- 6,493
- Median age
- 44
- Median weekly household income
- $3,874
- SEIFA score
- 1181
- Local government area
- Willoughby
- Coordinates
- -33.8112, 151.2175
Map of Northbridge (NSW)
© OpenStreetMap contributors · View larger map
Housing & property in Northbridge (NSW)
What it costs to live in Northbridge (NSW) and how residents hold their homes, from the Australian Bureau of Statistics 2021 Census.
- Median rent
- $740
- per week
- Median mortgage
- $4,649
- per month
- Owner-occupied
- 78%
- of dwellings
- Rented
- 20%
- of dwellings
The full tenure and dwelling-type breakdown is in the Northbridge (NSW) demographics section below.
Source: ABS Census of Population and Housing, 2021. © Australian Bureau of Statistics, released under CC BY 4.0. See our methodology.
Northbridge (NSW) demographics (2021 Census)
The figures below profile Northbridge (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 29% and 31% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 1,329 | 20% |
| Youth (15–24) | 799 | 12% |
| Young adults (25–44) | 1,125 | 17% |
| Mid-life (45–64) | 1,891 | 29% |
| Seniors (65+) | 1,351 | 21% |
Share of the 6,495 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 1,032 | 48% |
| Owned with a mortgage | 644 | 30% |
| Rented | 421 | 20% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,588 | 74% |
| Townhouses & semis | 136 | 6% |
| Flats & apartments | 412 | 19% |
Tenure and dwelling shares are of the roughly 2,142 occupied private dwellings in Northbridge (NSW).
- Average household size
- 2.9 people
- Median weekly family income
- $4,650
- Median weekly personal income
- $1,375
Community and culture
- Born overseas
- 1,938 (31%)
- Speaks a language other than English at home
- 1,319 (21%)
- Aboriginal and/or Torres Strait Islander
- 22 (0%)
Work and education
- Completed Year 12
- 4,036 (84%)
- Labour-force participation
- 59.5%
- Unemployment rate
- 3.7%
- Employed full-time
- 1,767
- Employed part-time
- 972
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 Northbridge (NSW)
Based on 2014–2023 records, the warmest month in Northbridge (NSW) is January (average daytime high around 25.7°C) and the coolest is July (around 16.5°C). The area receives roughly 1084 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 25.7°C | 19.3°C | 104 mm |
| Feb | 25.1°C | 19°C | 119 mm |
| Mar | 24°C | 18°C | 186 mm |
| Apr | 21.9°C | 15°C | 100 mm |
| May | 19.2°C | 11.7°C | 56 mm |
| Jun | 16.5°C | 9.8°C | 74 mm |
| Jul | 16.5°C | 8.7°C | 70 mm |
| Aug | 17.3°C | 9.2°C | 67 mm |
| Sep | 19.6°C | 11.3°C | 55 mm |
| Oct | 21.8°C | 13.7°C | 92 mm |
| Nov | 22.8°C | 15.5°C | 78 mm |
| Dec | 24.7°C | 17.5°C | 83 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
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Common questions about Northbridge (NSW)
Is Northbridge (NSW) a good place to live?
There's no single answer, so we score what the public data can back. On socio-economic advantage and housing affordability, Northbridge (NSW) rates 66/100 overall (Strong on the data we score). Public transport, schools and safety aren't scored yet — see our methodology for why.
What is the median rent in Northbridge (NSW)?
At the 2021 Census, the median weekly rent in Northbridge (NSW) was $740, and the median monthly mortgage repayment was $4,649. These are official ABS Census figures — StreetScout publishes housing data only, with no property valuations or agent referrals.
Where is Northbridge (NSW)?
Northbridge (NSW) is a suburb of New South Wales, Australia, in the Willoughby local government area.
What is the population of Northbridge (NSW)?
At the 2021 Census, Northbridge (NSW) had a population of about 6,493.
Is Northbridge (NSW) an advantaged area?
Northbridge (NSW) has an ABS SEIFA score of 1181, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 99 out of 100 — more socio-economically advantaged than about 99% of Australian suburbs.
What is the weather like in Northbridge (NSW)?
Northbridge (NSW) has average daytime highs of about 21.3°C and overnight lows of about 14.1°C, with roughly 1,084 mm of rain across the year (based on 2014–2023 climate normals).
Does Northbridge (NSW) have high household incomes?
Northbridge (NSW) has one of the highest median weekly household incomes in New South Wales — the 8th-highest among suburbs with at least 1,000 residents at the 2021 Census ($3,874 per week).
Where Northbridge (NSW) ranks
Northbridge (NSW) appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
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