Adelaide Plains

South Australia · Barossa - Yorke - Mid North · 9,895 people · 19 suburbs · 3 postcodes

Adelaide Plains at a glance

9,895

Population

#35 of 72 in SA

979

km² area

10/km² density

40.1

Median age

-1.2 vs SA

944

SEIFA IRSAD

#39 of 72 in SA

Schools

2 gov, 0 Cath, 0 indep

13.1%

Born overseas

11.2%

Renting

Map shows the Adelaide Plains 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.

Adelaide Plains is a Local Government Area in South Australia, in the Adelaide region. It covers 19 suburbs across 3 postcodes and an area of 979 km². Adelaide Plains has a population of 9,895 , ranking #35 most populous in SA. The most populous suburb is Lewiston (3,275 residents).About 13.1% of residents were born overseas and 5.8% speak a language other than English at home.

Who lives here

Age structure

18.8%

11.7%

24.9%

30.1%

14.5%

0–14 (18.8%) 15–24 (11.7%) 25–44 (24.9%) 45–64 (30.1%) 65+ (14.5%)

Show counts

0–14 years	1,855 (18.8%)
15–24 years	1,155 (11.7%)
25–44 years	2,457 (24.9%)
45–64 years	2,975 (30.1%)
65+ years	1,430 (14.5%)

13.1%

Born overseas

5.8%

Speak a language other than English at home

2.5%

First Nations

2.7

Avg household size

How they live

Housing tenure

30.7%

58.1%

11.2%

Owned outright (30.7%) Mortgaged (58.1%) Renting (11.2%)

Dwelling type mix

99.5%

Separate house (99.5%) Semi/townhouse (0.2%) Flat/apartment (0.2%)

$294

Median weekly rent

$1,530

Median monthly mortgage

22.2%

Households with 0-1 cars

77.8%

Households with 2+ cars

Work and learning

4.3%

Unemployment rate

2,966

In full-time work

1,590

In part-time work

Schools in Adelaide Plains

2 schools across Adelaide Plains: 100.0% Government, 0% Catholic, 0% Independent. The SA average is 70.8% / 14.3% / 14.9%. Schools here have a median ICSEA of 957 (range 932 to 982). SA median is 999; national mean is 1000.

Sector mix

100.0%

SA average for comparison

70.8%

14.3%

14.9%

Government Catholic Independent

Type breakdown

100.0%

Primary (100.0%) Secondary (0%) Combined (0%) Special (0%)

ICSEA range

700 National mean 1000 1300

LGA median 957 SA median 999LGA range 932 to 982

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 2 schools in Adelaide Plains, sorted by enrolment:

School	Sector	Type	Suburb	Students	ICSEA
Two Wells Primary School	Government	Primary	Two Wells	247	932
Mallala Primary School	Government	Primary	Mallala	116	982

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 Adelaide Plains. Higher scores indicate more advantage; the national mean is 1000.

IRSAD

Relative socio-economic advantage and disadvantage

944

Ranked #39 of 72 SA LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

989

IER

Economic resources: income, wealth, housing

1041

IEO

Education and occupation: qualifications, skill levels

895

Suburbs in Adelaide Plains

Adelaide Plains contains 19 suburbs and 3 postcodes. Sorted by population.

Suburb	Postcode	Population	Median income	Median age
Lewiston	5501	3,275	$1,910/wk	42
Two Wells	5501	3,233	$1,906/wk	35
Mallala	5502	1,042	$1,537/wk	37
Dublin	5501	405	$985/wk	45
Korunye	5502	224	$1,562/wk	45
Thompson Beach	5501	219	$1,013/wk	52
Lower Light	5501	203	$1,542/wk	45
Parham	5501	185	$1,089/wk	56
Redbanks	5502	185	$1,604/wk	46
Barabba	5460	135	$2,125/wk	36
Windsor	5501	133	$1,174/wk	45
Reeves Plains	5502	129	$1,542/wk	48
Port Gawler	5501	112	$2,100/wk	36
Wild Horse Plains	5501	96	$1,187/wk	41
Middle Beach	5501	94	$1,062/wk	49
Fischer	5502	78	$1,916/wk	42
Grace Plains	5502	61	$1,624/wk	41
Calomba	5501	46	$2,250/wk	38
Webb Beach	5501	40	$849/wk	57

Postcodes covered

5460, 5501, 5502

Compare Adelaide Plains with neighbouring LGAs

Side-by-side demographic and socio-economic snapshot of Adelaide Plains and its closest neighbouring LGAs.

LGA	Population	Median age	SEIFA IRSAD	% renting	% overseas-born
Adelaide Plains (SA)	9,895	40.1	944	11.2%	13.1%
Wakefield	6,762	44.6	897	23.0%	10.2%
Light	15,375	40.4	980	12.8%	11.3%
Playford	99,541	34.0	849	37.5%	21.9%
Salisbury	149,078	36.8	900	29.6%	34.1%

Services and amenities

NDIS Providers NDIS provider directory for Adelaide Plains Climate & weather Climate data for Lewiston

Frequently asked questions about Adelaide Plains

What is the population of Adelaide Plains?

The 2021 Census recorded 9,895 people living in Adelaide Plains, across 19 suburbs.

What suburbs are in Adelaide Plains?

Adelaide Plains contains 19 suburbs. The most populous are Lewiston, Two Wells, Mallala, Dublin, Korunye.See the full list in the Suburbs section above.

What postcodes are in Adelaide Plains?

Adelaide Plains covers 3 postcodes: 5460, 5501, 5502.

How many schools are in Adelaide Plains?

Adelaide Plains has 2 schools, including 2 government, 0 Catholic, and 0 independent schools (ACARA 2025).

What is the SEIFA score for Adelaide Plains?

Adelaide Plains has a population-weighted SEIFA IRSAD score of 944, where the national average is 1000. Higher scores indicate more relative advantage.

Page last reviewed June 2026. 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.