Tea Tree Gully
105,120 residents (ABS estimated resident population, 30 June 2025) across 95 km², 20 suburbs. Council website: teatreegully.sa.gov.au.
Council series run to July 2026.
Population
105,120
ABS estimated resident population, 30 June 2025 · +0.5% in a year
Density
1,104/km²
95 km² · ERP 2025 over the ABS 2024 boundary
Council-wide house median
$725k
Established-house transfers across the whole council, FY 2023-24 (ABS)
Federal grants per resident
$41
Financial Assistance Grant 2025-26 over ERP 2025
Dwelling approvals
5.5 per 1,000
Residents, 12 months to July 2026 (ABS Building Approvals)
Advantage decile
8 of 10
SEIFA 2021 IRSAD, national (10 = most advantaged)
Suburbs
20
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
- $1,635/week
- Median rent
- $330/week
- Median mortgage repayment
- $1,517/month
- Households renting
- 18.2%
- Average household
- 2.5 people
- Advantage and disadvantage (IRSAD)
- decile 8 of 10
- Disadvantage (IRSD)
- decile 9 of 10
Suburbs
20 suburbs where Tea Tree Gully holds most residents, plus 5 it shares with a neighbouring council (share of residents shown). 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 |
|---|---|---|---|---|---|
| Golden Grove | 10,299 | All | $934kJune 2026 | – / 69% | 7 |
| Greenwith | 10,103 | All | $1.0MJune 2026 | – / 87% | 7 |
| Hope Valley (SA) | 8,184 | All | $929kJune 2026 | – / 4% | 5 |
| Wynn Vale | 7,865 | All | $995kJune 2026 | – / 23% | 6 |
| Modbury Heights | 6,995 | All | $939kJune 2026 | – / 0% | 5 |
| Highbury (SA) | 6,956 | All | $1.2MJune 2026 | – / 37% | 9 |
| Valley View | 6,405 | 21% | $960kJune 2026 | – / 0% | 4 |
| Modbury North | 5,704 | All | $905kJune 2026 | – / 0% | 5 |
| Modbury | 5,593 | All | $880kJune 2026 | – / 0% | 4 |
| Redwood Park | 5,367 | All | $900kJune 2026 | – / 0% | 6 |
| Ridgehaven | 4,304 | All | $895kJune 2026 | – / 0% | 4 |
| St Agnes (SA) | 4,233 | All | $905kJune 2026 | – / <1% | 5 |
| Gilles Plains | 4,101 | 40% | $903kJune 2026 | – / 0% | 3 |
| Dernancourt | 4,063 | 94% | $1.2MJune 2026 | – / 0% | 8 |
| Fairview Park | 3,792 | All | $907kJune 2026 | – / 34% | 7 |
| Holden Hill | 3,716 | 81% | $871kJune 2026 | – / 0% | 3 |
| Tea Tree Gully | 3,499 | All | $985kJune 2026 | – / 85% | 7 |
| Surrey Downs | 3,358 | All | $850kJune 2026 | – / 0% | 5 |
| Banksia Park | 3,346 | All | $875kJune 2026 | – / 37% | 7 |
| Vista | 1,035 | All | $971kJune 2026 | – / 99% | 8 |
| Houghton | 511 | 18% | $700kMar 2014 | – / 100% | 9 |
| Paracombe | 435 | 7% | $800kDec 2021 | – / 100% | 9 |
| Upper Hermitage | 273 | 58% | – / 100% | 9 | |
| Yatala Vale | 260 | All | $771kMar 2024 | – / 100% | 9 |
| Gould Creek | 240 | 50% | 8% / 100% | 9 |
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.
Flood planning land
8%
Over 1 of 25 member suburbs (the rest are not mapped)
Show the layer on the map →Suburb prices
Across the 19 member suburbs with their own Valuer-General median (unweighted; each suburb's latest figure, periods ending Mar 2024 to June 2026).
- Lowest suburb median
- $771k
- Median of suburb medians
- $907k
- Highest suburb median
- $1.2M
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
- Makin · Tony ZAPPIA (ALP)77%
- Sturt · Claire CLUTTERHAM (ALP)23%
- Mayo · Rebekha SHARKIE (XEN)1%
State districts
- Newland · Olivia Savvas (ALP)39%
- Wright · Blair Boyer (ALP)23%
- King · Rhiannon Pearce (ALP)20%
- Morialta · John Gardner (LIB)8%
- Torrens · Dana Wortley (ALP)6%
- Hartley · Vincent Tarzia (LIB)4%
- Schubert · Ashton Hurn (LIB)1%
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 South Australia council on the council map or the South Australia 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. Website and identity: Wikidata (CC0). ABS, Dept of Infrastructure and state government data CC BY 4.0. Council facts loaded 2026-09-24.