Ku-ring-gai
128,542 residents (ABS estimated resident population, 30 June 2025) across 85 km², 17 suburbs. Council website: krg.nsw.gov.au.
Council series run to July 2026.
Population
128,542
ABS estimated resident population, 30 June 2025 · +0.1% in a year
Density
1,505/km²
85 km² · ERP 2025 over the ABS 2024 boundary
Council-wide house median
$3.3M
Established-house transfers across the whole council, FY 2023-24 (ABS)
Federal grants per resident
$38
Financial Assistance Grant 2025-26 over ERP 2025
Dwelling approvals
7.1 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
17
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
- 42
- Median household income
- $3,038/week
- Median rent
- $630/week
- Median mortgage repayment
- $3,500/month
- Households renting
- 19.8%
- Average household
- 2.9 people
- Advantage and disadvantage (IRSAD)
- decile 10 of 10
- Disadvantage (IRSD)
- decile 10 of 10
Suburbs
17 suburbs where Ku-ring-gai 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 |
|---|---|---|---|---|---|
| St Ives (NSW) | 18,384 | All | $3.3MDec 2025 | – / 55% | 10 |
| Wahroonga | 17,853 | 73% | $3.0MDec 2025 | – / 28% | 10 |
| Turramurra | 12,850 | All | $3.4MDec 2025 | – / 29% | 10 |
| Pymble | 11,775 | All | $3.9MDec 2025 | – / 16% | 10 |
| Lindfield | 10,943 | All | $3.9MDec 2025 | – / 45% | 10 |
| Killara (NSW) | 10,620 | All | $3.8MDec 2025 | – / 17% | 10 |
| Roseville | 10,340 | 78% | $4.0MDec 2025 | – / 11% | 10 |
| Gordon (NSW) | 8,795 | All | $3.8MDec 2025 | – / 28% | 10 |
| West Pymble | 5,441 | All | $2.8MDec 2025 | – / 55% | 10 |
| North Turramurra | 4,194 | All | $3.0MDec 2025 | – / 87% | 10 |
| East Lindfield | 3,710 | All | $4.3MDec 2025 | – / 42% | 10 |
| St Ives Chase | 3,283 | All | $2.9MDec 2025 | – / 78% | 10 |
| South Turramurra | 3,208 | All | $2.4MDec 2025 | – / 69% | 10 |
| Warrawee | 3,170 | All | $4.1MDec 2025 | – / <1% | 10 |
| East Killara | 2,895 | All | $3.8MDec 2025 | – / 81% | 10 |
| North Wahroonga | 2,100 | All | $2.5MDec 2025 | – / 84% | 10 |
| Roseville Chase | 1,618 | All | $3.9MDec 2025 | – / 37% | 10 |
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.
Suburb prices
Across the 17 member suburbs with their own Valuer-General median (unweighted; each suburb's latest figure, periods ending Dec 2025).
- Lowest suburb median
- $2.4M
- Median of suburb medians
- $3.8M
- Highest suburb median
- $4.3M
Recorded crime
Offences per 100,000 residents over the 16 member suburbs the source covers, financial year ending 2025. Small suburbs and unreliable rates are excluded.
- Break and enter
- 298
- per 100k · NSW 2025
- Motor vehicle theft
- 55
- per 100k · NSW 2025
- property_damage
- 371
- per 100k · NSW 2025
- Violent crime
- 622
- 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
- Bradfield · Nicolette BOELE (IND)100%
State districts
- Davidson · Matt Cross (LIB)58%
- Wahroonga · Alister Henskens (LIB)42%
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. Website and identity: Wikidata (CC0). ABS, Dept of Infrastructure and state government data CC BY 4.0. Council facts loaded 2026-09-24.