Tea Tree Gully

South Australia · Adelaide - North · 98,945 people · 21 suburbs · 12 postcodes

Tea Tree Gully at a glance

98,945
Population
#6 of 72 in SA
84
km² area
1,180/km² density
41.5
Median age
+0.2 vs SA
996
SEIFA IRSAD
#14 of 72 in SA
31
Schools
22 gov, 5 Cath, 4 indep
24.6%
Born overseas
18.9%
Renting

Map shows the Tea Tree Gully LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.

Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).

Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.

Federal electorate boundaries can be toggled on the map. Boundary source: ABS ASGS 2021 CED boundaries.

Tea Tree Gully is a metropolitan Local Government Area in South Australia, in the Adelaide region. It covers 21 suburbs across 12 postcodes and an area of 84 km². Tea Tree Gully has a population of 98,945 , ranking #6 most populous in SA. The most populous suburb is Golden Grove (10,299 residents).About 24.6% of residents were born overseas and 14.6% speak a language other than English at home.

Who lives here

Age structure

0–14 (17.3%) 15–24 (11.6%) 25–44 (25.1%) 45–64 (25.4%) 65+ (20.6%)
Show counts
0–14 years17,095 (17.3%)
15–24 years11,482 (11.6%)
25–44 years24,890 (25.1%)
45–64 years25,161 (25.4%)
65+ years20,366 (20.6%)
24.6%
Born overseas
14.6%
Speak a language other than English at home
1.2%
First Nations
2.5
Avg household size

How they live

Housing tenure

Owned outright (36.4%) Mortgaged (44.7%) Renting (18.9%)

Dwelling type mix

Separate house (92.6%) Semi/townhouse (5.7%) Flat/apartment (1.7%)
$334
Median weekly rent
$1,563
Median monthly mortgage
38.6%
Households with 0-1 cars
61.4%
Households with 2+ cars

Work and learning

4.5%
Unemployment rate
29,013
In full-time work
17,709
In part-time work

Schools in Tea Tree Gully

31 schools across Tea Tree Gully: 71.0% Government, 16.1% Catholic, 12.9% Independent. The SA average is 70.8% / 14.3% / 14.9%. Schools here have a median ICSEA of 1037 (range 983 to 1097). SA median is 999; national mean is 1000.

Sector mix

SA average for comparison
Government Catholic Independent

Type breakdown

Primary (67.7%) Secondary (16.1%) Combined (12.9%) Special (3.2%)

ICSEA range

700 National mean 1000 1300
LGA median 1037 SA median 999LGA range 983 to 1097

ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.

All 31 schools in Tea Tree Gully, sorted by enrolment:

School Sector Type Suburb Students ICSEA
The Heights School Government Combined Modbury Heights 1,811 1060
Golden Grove High School Government Secondary Golden Grove 1,486 1007
King's Baptist Grammar School Independent Combined Wynn Vale 1,280 1090
Pedare Christian College Independent Combined Golden Grove 1,146 1097
Banksia Park International High School Government Secondary Banksia Park 1,055 1009
Gleeson College Catholic Secondary Golden Grove 941 1055
Modbury High School Government Secondary Modbury 926 1005
Kildare College Catholic Secondary Holden Hill 768 1051
Torrens Valley Christian School Independent Combined Hope Valley 565 1085
St Francis Xavier's Regional Catholic School Catholic Primary Wynn Vale 561 1051
Greenwith Primary School Government Primary Greenwith 558 1019
Highbury Primary School Government Primary Hope Valley 499 1054
Golden Grove Primary School Government Primary Golden Grove 495 1021
Ardtornish Primary School Government Primary St Agnes 462 1044
Redwood Park Primary School Government Primary Redwood Park 368 1032
Wynn Vale School Government Primary Wynn Vale 365 1032
Keithcot Farm Primary School Government Primary Wynn Vale 330 1020
Dernancourt School Government Primary Dernancourt 326 1046
Saint David's Parish School Catholic Primary Tea Tree Gully 306 1063
Our Lady of Hope School Catholic Primary Greenwith 292 1045
Modbury West School Government Primary Modbury 264 1020
Fairview Park Primary School Government Primary Fairview Park 260 1027
St Agnes School P - 6 Government Primary St Agnes 251 1039
Banksia Park School R-6 Government Primary Banksia Park 240 1037
Ridgehaven Primary School Government Primary Ridgehaven 222 983
Golden Grove Lutheran Primary School Independent Primary Wynn Vale 205 1051
Modbury South Primary School Government Primary Hope Valley 179 1011
Modbury School P-6 Government Primary Modbury North 172 1026
Modbury Special School Government Special Hope Valley 166 997
Surrey Downs Primary School Government Primary Surrey Downs 148 986
Tea Tree Gully Primary School Government Primary Tea Tree Gully 117 1073

Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.

SEIFA socio-economic indexes

SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Tea Tree Gully. Higher scores indicate more advantage; the national mean is 1000.

IRSAD

Relative socio-economic advantage and disadvantage

996
Ranked #14 of 72 SA LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

1031

IER

Economic resources: income, wealth, housing

1017

IEO

Education and occupation: qualifications, skill levels

986

Suburbs in Tea Tree Gully

Tea Tree Gully contains 21 suburbs and 12 postcodes. Sorted by population.

SuburbPostcodePopulationMedian incomeMedian age
Golden Grove 5125 10,299 $1,669/wk 44
Greenwith 5125 10,103 $2,002/wk 40
Hope Valley 5090 8,184 $1,270/wk 46
Wynn Vale 5127 7,865 $1,733/wk 42
Modbury Heights 5092 6,995 $1,573/wk 40
Highbury 5089 6,956 $2,038/wk 41
Modbury North 5092 5,704 $1,596/wk 40
Modbury 5092 5,593 $1,342/wk 37
Redwood Park 5097 5,367 $1,832/wk 40
Ridgehaven 5097 4,304 $1,307/wk 43
St Agnes 5097 4,233 $1,557/wk 44
Dernancourt 5075 4,063 $1,736/wk 43
Fairview Park 5126 3,792 $1,913/wk 40
Holden Hill 5088 3,716 $1,363/wk 37
Tea Tree Gully 5091 3,499 $1,607/wk 44
Surrey Downs 5126 3,358 $1,674/wk 38
Banksia Park 5091 3,346 $1,799/wk 41
Vista 5091 1,035 $1,820/wk 43
Upper Hermitage 5131 273 $1,978/wk 47
Yatala Vale 5126 260 $2,531/wk 49
Salisbury East Northbri Ave 5109

Postcodes covered

5075, 5088, 5089, 5090, 5091, 5092, 5097, 5109, 5125, 5126, 5127, 5131

Compare Tea Tree Gully with neighbouring LGAs

Side-by-side demographic and socio-economic snapshot of Tea Tree Gully and its closest neighbouring LGAs.

LGA Population Median age SEIFA IRSAD % renting % overseas-born
Tea Tree Gully (SA) 98,945 41.5 996 18.9% 24.6%
Salisbury 149,078 36.8 900 29.6% 34.1%
Adelaide Hills 41,441 44.6 1066 10.9% 16.6%
Port Adelaide Enfield 133,310 37.8 954 37.4% 35.9%
Campbelltown (SA) 57,720 40.6 1014 27.7% 36.3%
Playford 99,541 34.0 849 37.5% 21.9%

Services and amenities

NDIS Providers NDIS provider directory for Tea Tree Gully Climate & weather Climate data for Golden Grove

Frequently asked questions about Tea Tree Gully

What is the population of Tea Tree Gully?

The 2021 Census recorded 98,945 people living in Tea Tree Gully, across 21 suburbs.

What suburbs are in Tea Tree Gully?

Tea Tree Gully contains 21 suburbs. The most populous are Golden Grove, Greenwith, Hope Valley, Wynn Vale, Modbury Heights.See the full list in the Suburbs section above.

What postcodes are in Tea Tree Gully?

Tea Tree Gully covers 12 postcodes: 5075, 5088, 5089, 5090, 5091, 5092, 5097, 5109, 5125, 5126, 5127, 5131.

How many schools are in Tea Tree Gully?

Tea Tree Gully has 31 schools, including 22 government, 5 Catholic, and 4 independent schools (ACARA 2025).

What is the SEIFA score for Tea Tree Gully?

Tea Tree Gully has a population-weighted SEIFA IRSAD score of 996, where the national average is 1000. Higher scores indicate more relative advantage.

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.