Northern Beaches
272,656 residents (ABS estimated resident population, 30 June 2025) across 254 km², 53 suburbs. Council website: northernbeaches.nsw.gov.au.
Council series run to July 2026.
Population
272,656
ABS estimated resident population, 30 June 2025 · +0.5% in a year
Density
1,073/km²
254 km² · ERP 2025 over the ABS 2024 boundary
Council-wide house median
$2.6M
Established-house transfers across the whole council, FY 2023-24 (ABS)
Federal grants per resident
$37
Financial Assistance Grant 2025-26 over ERP 2025
Dwelling approvals
2.4 per 1,000
Residents, 12 months to July 2026 (ABS Building Approvals)
Advantage decile
10 of 10
SEIFA 2021 IRSAD, national (10 = most advantaged)
Suburbs
53
Where it holds most residents (ABS mesh-block allocation)
Trends
Council-level series. Each chart names its source and period.
People and housing
Council-wide figures from the ABS Census of 2021 and SEIFA 2021 (national deciles, 10 = most advantaged).
- Median age
- 41
- Median household income
- $2,592/week
- Median rent
- $625/week
- Median mortgage repayment
- $3,124/month
- Households renting
- 26.9%
- Average household
- 2.7 people
- Advantage and disadvantage (IRSAD)
- decile 10 of 10
- Disadvantage (IRSD)
- decile 10 of 10
Suburbs
53 suburbs where Northern Beaches holds most residents. Population is Census 2021 for the whole suburb. A median here is the suburb’s own Valuer-General median — suburbs without one are blank, never filled with the council figure.
| Suburb | Population | In this council | Median house (VG) | Flood / bushfire | IRSAD |
|---|---|---|---|---|---|
| Dee Why | 23,354 | All | $2.9MDec 2025 | – / 4% | 9 |
| Manly (NSW) | 16,296 | All | $4.5MDec 2025 | – / 49% | 10 |
| Frenchs Forest | 14,267 | All | $2.4MDec 2025 | – / 49% | 10 |
| Mona Vale | 10,877 | All | $2.7MDec 2025 | – / 0% | 10 |
| Avalon Beach | 10,379 | All | $2.8MDec 2025 | – / 21% | 10 |
| Newport (NSW) | 9,659 | All | $3.0MDec 2025 | – / 13% | 10 |
| Freshwater (NSW) | 9,186 | All | $3.9MDec 2025 | – / 0% | 10 |
| Belrose | 8,726 | All | $2.4MDec 2025 | – / 80% | 10 |
| Forestville (NSW) | 8,659 | All | $2.5MDec 2025 | – / 53% | 10 |
| Warriewood | 8,379 | All | $2.3MDec 2025 | – / 33% | 10 |
| Narrabeen | 8,255 | All | $3.6MDec 2025 | – / 65% | 9 |
| Balgowlah | 8,068 | All | $3.5MDec 2025 | – / 9% | 10 |
| Cromer (NSW) | 8,030 | All | $2.4MDec 2025 | – / 50% | 10 |
| Collaroy (NSW) | 7,944 | All | $3.4MDec 2025 | – / 21% | 10 |
| Beacon Hill | 7,814 | All | $2.3MDec 2025 | – / 55% | 10 |
| Seaforth (NSW) | 7,384 | All | $3.6MDec 2025 | – / 39% | 10 |
| Allambie Heights | 7,317 | All | $2.6MDec 2025 | – / 77% | 10 |
| Narraweena | 6,971 | All | $2.4MDec 2025 | – / 3% | 9 |
| Manly Vale | 6,389 | All | $2.9MDec 2025 | – / 19% | 10 |
| Fairlight | 6,141 | All | $4.0MDec 2025 | – / 0% | 10 |
| North Narrabeen | 6,016 | All | $2.1MDec 2025 | – / 15% | 10 |
| Collaroy Plateau | 4,805 | All | $2.9MDec 2025 | – / 9% | 10 |
| Elanora Heights | 4,581 | All | $2.5MDec 2025 | – / 63% | 10 |
| Killarney Heights | 4,502 | All | $2.8MDec 2025 | – / 72% | 10 |
| North Curl Curl | 4,288 | All | $3.8MDec 2025 | – / 3% | 10 |
| North Balgowlah | 3,816 | All | $3.4MDec 2025 | – / 27% | 10 |
| Bayview (NSW) | 3,807 | All | $3.5MDec 2025 | – / 46% | 10 |
| Bilgola Plateau | 3,650 | All | $2.6MDec 2025 | – / 32% | 10 |
| Balgowlah Heights | 3,546 | All | $4.5MDec 2025 | – / 45% | 10 |
| Queenscliff (NSW) | 3,407 | All | $4.5MDec 2025 | – / 0% | 10 |
| North Manly | 3,396 | All | $3.3MDec 2025 | – / 0% | 10 |
| Brookvale | 3,389 | All | $2.4MDec 2025 | – / 12% | 10 |
| Wheeler Heights | 3,232 | All | $2.4MDec 2025 | – / 12% | 10 |
| Terrey Hills | 3,142 | All | $2.3MDec 2025 | – / 65% | 10 |
| Davidson | 2,725 | All | $2.4MDec 2025 | – / 73% | 10 |
| Curl Curl | 2,364 | All | $4.0MDec 2025 | – / 0% | 10 |
| Clontarf (NSW) | 1,746 | All | $4.7MDec 2025 | – / 24% | 10 |
| Palm Beach (NSW) | 1,652 | All | $5.6MDec 2025 | – / 37% | 10 |
| Church Point | 1,066 | All | $3.9MDec 2025 | – / 56% | 10 |
| Ingleside | 1,030 | All | $5.5MDec 2025 | – / 96% | 10 |
| Clareville | 822 | All | $3.4MDec 2025 | – / 3% | 10 |
| Scotland Island | 711 | All | $1.5MDec 2025 | – / 100% | 10 |
| Duffys Forest | 509 | All | $9.9MDec 2025 | – / 70% | 10 |
| Whale Beach | 315 | All | $5.5MDec 2025 | – / 1% | 10 |
| Oxford Falls | 265 | All | $2.9MDec 2025 | – / 97% | 10 |
| Bilgola Beach | 251 | All | $5.4MDec 2024 | – / 44% | 10 |
| Lovett Bay | 117 | All | $4.1MDec 2025 | – / 100% | 10 |
| Cottage Point | 96 | All | $4.0MDec 2025 | – / 100% | 10 |
| Elvina Bay | 80 | All | $1.2MDec 2025 | – / 100% | 10 |
| Great Mackerel Beach | 50 | All | $1.6MDec 2024 | – / 53% | 10 |
| Morning Bay | 31 | All | – / 100% | 10 | |
| Coasters Retreat | 30 | All | $1.8MDec 2025 | – / 100% | 10 |
| Ku-ring-gai Chase | 10 | All | – / 99% |
Hazards
Share of each member suburb's land inside the mapped layer, averaged across the council weighted by the residents each suburb contributes. Only suburbs a source covers count; the rest are left out, not counted as zero.
Observed surface water (1986–present)
2%
Over 50 of 53 member suburbs (the rest are not mapped)
Show the layer on the map →Suburb prices
Across the 51 member suburbs with their own Valuer-General median (unweighted; each suburb's latest figure, periods ending Dec 2024 to Dec 2025).
- Lowest suburb median
- $1.2M
- Median of suburb medians
- $2.9M
- Highest suburb median
- $9.9M
Recorded crime
Offences per 100,000 residents over the 36 member suburbs the source covers, financial year ending 2025. Small suburbs and unreliable rates are excluded.
- Break and enter
- 181
- per 100k · NSW 2025
- Motor vehicle theft
- 70
- per 100k · NSW 2025
- property_damage
- 591
- per 100k · NSW 2025
- Violent crime
- 962
- per 100k · NSW 2025
Representation
Federal electorates and state districts covering the council, by share of the residents its suburbs contribute (each suburb counts once, for the seat containing a representative interior point).
Federal electorates
- Mackellar · Sophie SCAMPS (IND)69%
- Warringah · Zali STEGGALL (IND)31%
State districts
- Manly · James Griffin (LIB)38%
- Wakehurst · Michael Regan (IND)29%
- Pittwater · Jacqui Scruby (IND)29%
- Davidson · Matt Cross (LIB)4%
Asking-price cuts
Cuts in the last 30 days to listings the Shorted crawl has seen in the last 14 days, across 1 suburb of this council. An aggregate only: published at 3 or more cut listings council-wide (cuts in every crawled suburb count), and a suburb is named only when it has 3 of its own. Computed 24 Sep 2026; newest crawl observation 11 Sep 2026.
- Listings cut
- 5
- of 33 tracked
- Share cut
- 15.2%
- Typical cut
- 1.5%
- median over every cut listing
Most cuts: Frenchs Forest (5). All price drops →
Neighbouring councils
Councils in the same state whose suburbs share a boundary with this one's, and councils it splits a suburb with.
Compare it with every New South Wales council on the council map or the New South Wales council list.
Boundaries: ABS ASGS Edition 3, LGA 2024 boundaries; suburbs allocated by 2021 mesh block, weighted by Census 2021 residents. Population: ABS estimated resident population 2025. Census 2021 and SEIFA 2021: ABS. Council-wide medians: ABS Data by Region. Approvals: ABS Building Approvals. Grants: Financial Assistance Grants, Dept of Infrastructure. Suburb prices: state Valuer-General. Flood and bushfire: state planning layers. Observed water: Geoscience Australia DEA Water Observations. Crime: state police statistics. Asking-price cuts: Shorted listing crawl, aggregates only. Website and identity: Wikidata (CC0). ABS, Dept of Infrastructure and state government data CC BY 4.0. Council facts loaded 2026-09-24.