Seacombe Heights, SA: suburb profile

The population of Seacombe Heights SA is 1,549 according to the 2021 Census. The median personal income in Seacombe Heights is $815 per week ($42,380 per year). Median rent in Seacombe Heights is $380 per week ($1,647 per month). Seacombe Heights has a median age of 40 years, older than the national median of 38. Seacombe Heights has a population density of 1,843 people per km².

The most common overseas birthplace in Seacombe Heights is England. The most common religion is No religion (51.6% of residents). After English, the most spoken language is Greek. The median monthly mortgage repayment in Seacombe Heights is $1,850.

There were 6 recorded offences in Seacombe Heights in 2025-26, a rate of 4 offences per 1,000 people. The most common offence category was theft (4 offences).

Population
1,549
Census 2021
Median income
$815/wk
Personal, Census 2021
Median rent
$380/wk
Weekly, Census 2021
Median age
40years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from SA Government Open Data (data.sa.gov.au), 2025-26.

Seacombe Heights vs the typical SA suburb

The median personal income in Seacombe Heights is $815 a week, 7% above the typical SA suburb ($759). That ranks 252nd of 710 SA suburbs with 200 or more residents. Median rent is $380 a week, $80 more than the typical SA suburb. Rent takes 19.8% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 40, 3 years younger than in the typical SA suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureSeacombe HeightsTypical SADifferenceTypical Australia
Personal income$815/wk$759/wk +7%$766/wk
Household income$1,917/wk$1,494/wk +28%$1,637/wk
Rent$380/wk$300/wk +27%$330/wk
Mortgage repayment$1,850/mo$1,534/mo +21%$1,733/mo
Median age4043 −3 yrs42
Rent share of household income19.8%19.5% +0.4 pts20.3%
Income, rent and mortgage against the typical suburb Valid: Census 2021 · Source: ABS, calculated by GDP.com.au
Bar chart of median income, rent and mortgage repayment in Seacombe Heights, the typical SA suburb and the typical Australian suburb.

Seacombe Heights Population

1,549 residents at the 2021 Census.

Seacombe Heights Median Income & Rent

Median Income
$815/wk
$42,380 per year
Ranked 3,337 of 14,663
Median Rent
$380/wk
$1,647 per month
Ranked 2,445 of 14,663
Median Age
40years
2 years older than the national median
Mortgage
$1,850/mo
Avg household size: 2.6 · 0.8 per bedroom

Valid: Census 2021 · Source: ABS Census of Population and Housing.

Seacombe Heights Rent Prices & Affordability

20% of median household income goes on median rent

Marks at 25% and 35%. Band: affordable.

Household income $1,917/wk
Median rent $380/wk
Rent to income 19.8%

Rent is under 25% of household income, generally considered affordable.

Median rent in Seacombe Heights against your income

About $8,307 a month
Median rent $380/wk
Left after rent $1,537/wk
Rent share 19.8%

Seacombe Heights Schools

12
schools nearby
6
government
1068
avg ICSEA score
5,571
total students
Australian Science and Mathematics School Government
Secondary · 10-12 · 419 students
1101
ICSEA
McAuley Community School Catholic
Primary · R-6 · 451 students
1099
ICSEA
Seacliff Primary School Government
Primary · R-6 · 356 students
1094
ICSEA
Sunrise Christian School Marion Independent
Combined · R-9 · 320 students
1090
ICSEA
Stella Maris Parish School Catholic
Primary · R-6 · 429 students
1086
ICSEA
Christ the King School Catholic
Primary · R-6 · 179 students
1079
ICSEA
Brighton Primary School Government
Primary · U, R-6 · 726 students
1077
ICSEA
IQRA College Independent
Combined · R-12 · 734 students
1067
ICSEA
Suneden Specialist School Independent
Combined · U · 72 students
1065
ICSEA
Seaview Downs Primary School Government
Primary · R-6 · 324 students
1051
ICSEA
Seaview High School Government
Secondary · U, 7-12 · 1,377 students
1038
ICSEA
Darlington Primary School Government
Primary · U, R-6 · 184 students
964
ICSEA

Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), 2025. ICSEA is the Index of Community Socio-Educational Advantage (national average 1000).

All schools near Seacombe Heights, with a map

Seacombe Heights Map

Seacombe Heights, South Australia Map data: OpenStreetMap
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Seacombe Heights, South Australia: 35.0343°S, 138.5470°E

Seacombe Heights Circle size: offences per 1,000 residents Schools (12)

People in Seacombe Heights

Demographics

Gender Split

Male 49.9% (768) Female 50.1% (772)

Population Density

1,843
people per km²
1,549 people · 0.8 km²

Households

2.6
Avg household size
0.8
Persons per bedroom
$2,143
Family income/wk

Age Distribution

0-4
5-9
10-14
15-19
20-24
25-29
30-34
35-39
40-44
45-49
50-54
55-59
60-64
65-69
70-74
75-79
80-84
85+
Male Female

Source: ABS Census 2021, Suburb and Locality (SAL)

Most common overseas birthplaces

England
7.1%
India
3.2%
China
1.9%
Greece
1.2%
Germany
1.0%
South Africa
1.0%
Italy
0.9%

Shares are of all residents. Source: ABS Census 2021, G09 Country of Birth by SAL

Most common languages at home other than English

Greek
3.4%
Mandarin
3.1%
Punjabi
1.3%
Arabic
1.2%
Nepali
1.0%
Hindi
1.0%
Italian
0.8%

Shares are of all residents. Source: ABS Census 2021, G13 Language Used at Home by SAL

Ancestry

English
41.5%
Australian
31.2%
Scottish
10.4%
Irish
10.2%
German
7.5%
Chinese
5.0%
Italian
4.1%
Indian
3.8%
Greek
3.6%
Dutch
2.1%
Polish
1.7%

Shares are of the suburb population. People can report up to two ancestries, so shares add to more than 100%. Source: ABS Census 2021, G08 Ancestry by SAL

Religion

No religion
51.6%
Catholic
15.4%
Anglican
7.6%
Not stated
4.2%
Eastern Orthodox
3.9%
Uniting Church
3.0%
Hinduism
2.9%
Buddhism
1.7%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

0.7%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
53.6% 673
Separated
2.6% 33
Divorced
7.2% 91
Widowed
3.7% 47
Never married
32.8% 412

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
42.1%
Couple: no children
29.9%
Couple: no children under 15
18.7%
One parent: children under 15
5.2%
One parent: no children under 15
4.0%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
18.0%
2 persons
37.3%
3 persons
18.2%
4 persons
18.7%
5 persons
4.7%
6+ persons
3.0%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Seacombe Heights

Housing Tenure

Of the 568 occupied private dwellings in Seacombe Heights at the 2021 Census, 13.2% were rented, 36.8% owned outright and 48.4% owned with a mortgage.

Other tenure type
1.6% 9 dwellings
Owned outright
36.8% 209 dwellings
Owned with mortgage
48.4% 275 dwellings
Rented
13.2% 75 dwellings
Tenure type not stated
0.9% 5 dwellings

Source: ABS Census 2021, Suburb and Locality (SAL)

Dwelling Types

Separate house
98.6%
Semi-detached (1 storey)
0.9%
Semi-detached (2+ storey)
0.5%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

2 bedrooms
5.6%
3 bedrooms
55.7%
4 bedrooms
33.4%
5 bedrooms
4.7%
6+ bedrooms
0.5%

Source: ABS Census 2021, G41 Number of Bedrooms by SAL

Monthly Mortgage Repayments

$0-$299/mo
3.9%
$300-$449/mo
2.4%
$450-$599/mo
1.2%
$600-$799/mo
2.4%
$800-$999/mo
1.6%
$1,000-$1,399/mo
12.6%
$1,400-$1,799/mo
25.6%
$1,800-$2,399/mo
34.6%
$2,400-$2,999/mo
7.5%
$3,000-$3,999/mo
8.3%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
3.0%
1 vehicle
28.6%
2 vehicles
45.8%
3 vehicles
15.2%
4+ vehicles
7.4%

Source: ABS Census 2021, G34 Motor Vehicles per Dwelling by SAL

Work, income and education in Seacombe Heights

Employment

Employed full-time
37.3% 445 people
Employed part-time
25.3% 302 people
Unemployed
3.4% 40 people
Not in labour force
34.0% 406 people

Source: ABS Census 2021, G46 Labour Force Status by SAL

Occupation

Professionals
34.1%
Technicians & Trade Workers
15.5%
Managers
13.1%
Clerical & Administrative
12.9%
Community & Personal Service
12.6%
Sales Workers
4.2%
Labourers
4.0%
Machinery Operators & Drivers
3.6%

Source: ABS Census 2021, G51 Industry of Employment by Occupation

Weekly Household Income

Nil/Negative/wk
1.0%
$1-$149/wk
0.8%
$150-$299/wk
1.4%
$300-$399/wk
1.6%
$400-$499/wk
4.9%
$500-$649/wk
5.6%
$650-$799/wk
5.2%
$800-$999/wk
5.2%
$1,000-$1,249/wk
8.2%
$1,250-$1,499/wk
6.6%
$1,500-$1,749/wk
5.6%
$1,750-$1,999/wk
5.6%
$2,000-$2,499/wk
15.0%
$2,500-$2,999/wk
11.5%
$3,000-$3,499/wk
6.6%
$3,500-$3,999/wk
4.3%
$4,000+/wk
11.1%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
9.9%
$1-$149/wk
4.9%
$150-$299/wk
6.5%
$300-$399/wk
4.2%
$400-$499/wk
3.7%
$500-$649/wk
4.4%
$650-$799/wk
7.4%
$800-$999/wk
9.1%
$1,000-$1,249/wk
11.6%
$1,250-$1,499/wk
10.6%
$1,500-$1,749/wk
8.9%
$1,750-$1,999/wk
6.7%
$2,000-$2,999/wk
8.1%
$3,000-$3,499/wk
1.7%
$3,500+/wk
2.4%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
77.7%
Did not go to work
11.2%
Car (passenger)
4.2%
Train
2.5%
Bus
1.5%
Walked only
0.6%
Other
0.6%
Motorbike/Scooter
0.6%
Tram/Light Rail
0.6%
Taxi/Rideshare
0.4%

Source: ABS Census 2021, G62 Method of Travel to Work by SAL

Education Level

Year 12 or equivalent
68.1%
Year 11 or equivalent
17.0%
Year 10 or equivalent
12.3%
Year 9 or equivalent
2.6%

Shares are of people whose highest year of school is Year 9 to 12 only. Source: ABS Census 2021, G16 Highest Year of School by SAL

Qualifications

Bachelor Degree
34.2%
Certificate III/IV
32.3%
Advanced Diploma/Diploma
16.8%
Postgraduate Degree
10.7%
Graduate Diploma/Certificate
3.8%
Certificate I/II
2.2%

Source: ABS Census 2021, G49 Non-School Qualification by SAL

Field of Study

Management & Commerce
17.7%
Health
17.7%
Engineering
16.3%
Society & Culture
14.2%
Education
8.9%
Architecture & Building
8.3%
Food, Hospitality & Personal Services
4.8%
Natural & Physical Sciences
3.9%
Creative Arts
3.3%
Information Technology
3.0%
Agriculture & Environment
1.8%

Source: ABS Census 2021, G51 Field of Study by SAL

School & University Attendance

Primary: Government
32.0%
Secondary: Government
20.6%
Primary: Catholic
14.6%
Vocational Education
9.2%
Pre-school
8.9%
Secondary: Catholic
7.3%
Secondary: Other Non-Govt
6.0%
Primary: Other Non-Govt
1.6%

Source: ABS Census 2021, G15 Type of Educational Institution by SAL

More from the 2021 Census

Need for Assistance

Does not have need for assistance
93.0%
Has need for assistance
3.7%
Need for assistance not stated
3.1%

Source: ABS Census 2021, G18 Core Activity Need for Assistance by SAL

Long-term Health Conditions

Mental health
139
Arthritis
55
Heart disease
52
Asthma
51
Diabetes
41
Lung condition
27
Cancer
20
Stroke
14
Kidney disease
9

Source: ABS Census 2021, G19 Long-term Health Conditions by SAL

Unpaid Carers

Provided unpaid assistance
13.4% 164
Did not provide
86.6% 1,063

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
15.4% 190
Not a volunteer
84.6% 1,042

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Previously served
2.8% 34
Never served
97.2% 1,198

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
33.3%
1 child
13.6%
2 children
36.0%
3 children
13.4%
4 children
3.1%
5+ children
0.5%

Source: ABS Census 2021, G28 Children Ever Born by SAL

When Migrants Arrived

Before 1951
9
1951: 1960
39
1961: 1970
51
1971: 1980
29
1981: 1990
40
1991: 2000
28
2001: 2010
105
2011: 2015
45
2016
14
2017
11
2018
11
2019
22
2020
9

Source: ABS Census 2021, G10 Year of Arrival by SAL

Population Mobility

10.1%
moved in the last year
32.0%
moved in the last 5 years
4.5%
unemployment rate (Census)
65.1%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
1,350
Moved from SA
105
Moved: same area (SA2)
12
Moved from VIC
6
Moved from overseas
6
Moved from NT
3
Moved from NSW
3

Source: ABS Census 2021, G44 Address 1 Year Ago by SAL

Unpaid Domestic Work

Less than 5 hours
22.5%
5: 14 hours
32.8%
15: 29 hours
15.6%
30+ hours
9.3%
Did not do domestic work
19.8%

Source: ABS Census 2021, G24 Unpaid Domestic Work by SAL

Family Blending

Intact family: no other children
87.0%
Step family: no other children
9.1%
Blended family: no other children
3.8%

Source: ABS Census 2021, G31 Family Blending by SAL

Seacombe Heights Crime Statistics

6 reported offences in 2025-26, by category.

Theft
4
Property Damage
1
Assault
1

Total offences by year

2021
2022
2023
2024
2025

Source: SA Government Open Data (data.sa.gov.au).

Cheaper alternatives with similar incomes

Bordertown
Income: $819/wk Rent: $220/wk $160/wk less rent
Hendon (SA)
Income: $681/wk Rent: $285/wk $95/wk less rent
Peterhead
Income: $801/wk Rent: $300/wk $80/wk less rent
Allenby Gardens
Income: $796/wk Rent: $323/wk $57/wk less rent
Mount Compass
Income: $725/wk Rent: $340/wk $40/wk less rent
St Morris
Income: $829/wk Rent: $343/wk $37/wk less rent
O'Halloran Hill
Income: $796/wk Rent: $350/wk $30/wk less rent
McLaren Flat
Income: $842/wk Rent: $350/wk $30/wk less rent

Suburbs near Seacombe Heights

The closest suburb to Seacombe Heights is Darlington (SA), 0.8 km away.

Darlington (SA)
0.8 km away · income $752/wk · rent $325/wk
Seaview Downs
1.2 km away · income $796/wk · rent $385/wk
Seacombe Gardens
1.2 km away · income $715/wk · rent $370/wk
Sturt (SA)
1.4 km away · income $635/wk · rent $295/wk
Dover Gardens
1.5 km away · income $728/wk · rent $339/wk
Seacliff Park
1.8 km away · income $856/wk · rent $370/wk

Compare Seacombe Heights

Frequently Asked Questions About Seacombe Heights

What is the population of Seacombe Heights SA?

The population of Seacombe Heights SA is 1,549 according to the ABS Census 2021. The suburb has a population density of 1,843 people per km². Seacombe Heights is ranked #3,354 out of 14,663 suburbs by population.

What is the median income in Seacombe Heights?

The median personal income in Seacombe Heights SA is $815 per week, or $42,380 per year. The median household income is $1,917 per week. Family income is $2,143 per week. Seacombe Heights is ranked #3,337 by income out of 14,663 Australian suburbs.

How much is rent in Seacombe Heights?

Median rent in Seacombe Heights SA is $380 per week ($1,647 per month). Rent represents 19.8% of household income, which is considered affordable. Seacombe Heights ranks #2,445 out of 14,663 suburbs by rent.

What are mortgage repayments in Seacombe Heights?

The median monthly mortgage repayment in Seacombe Heights SA is $1,850. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seacombe Heights?

The median age in Seacombe Heights SA is 40 years. This is older than the national median age of 38 years.

Is Seacombe Heights a good suburb to live in?

Seacombe Heights is a suburb in South Australia with a population of 1,549. The median income is $815/wk, which is above the typical SA suburb ($759/wk). Rent affordability is rated as affordable (19.8% of household income). See the full suburb profile above for detailed statistics.

Explore More

Australian Average Salary Australian House Prices Adelaide Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41314. All dollar figures in AUD.