Seaford Heights, SA: suburb profile

The population of Seaford Heights SA is 1,079 according to the 2021 Census. The median personal income in Seaford Heights is $1,081 per week ($56,212 per year). Median rent in Seaford Heights is $380 per week ($1,647 per month). Seaford Heights has a median age of 29 years, younger than the national median of 38. Seaford Heights has a population density of 623 people per km².

The most common overseas birthplace in Seaford Heights is England. The most common religion is No religion (60.4% of residents). After English, the most spoken language is Punjabi. The median monthly mortgage repayment in Seaford Heights is $1,733.

There were 16 recorded offences in Seaford Heights in 2025-26, a rate of 15 offences per 1,000 people. The most common offence category was theft (6 offences).

Population
1,079
Census 2021
Median income
$1,081/wk
Personal, Census 2021
Median rent
$380/wk
Weekly, Census 2021
Median age
29years
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.

Seaford Heights vs the typical SA suburb

The median personal income in Seaford Heights is $1,081 a week, 42% above the typical SA suburb ($759). That ranks 25th of 710 SA suburbs with 200 or more residents. Median rent is $380 a week, $80 more than the typical SA suburb. Rent takes 17.5% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 29, 14 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.
MeasureSeaford HeightsTypical SADifferenceTypical Australia
Personal income$1,081/wk$759/wk +42%$766/wk
Household income$2,170/wk$1,494/wk +45%$1,637/wk
Rent$380/wk$300/wk +27%$330/wk
Mortgage repayment$1,733/mo$1,534/mo +13%$1,733/mo
Median age2943 −14 yrs42
Rent share of household income17.5%19.5% −1.9 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 Seaford Heights, the typical SA suburb and the typical Australian suburb.

Seaford Heights Population

1,079 residents at the 2021 Census.

Seaford Heights Median Income & Rent

Median Income
$1,081/wk
$56,212 per year
Ranked 783 of 14,663
Median Rent
$380/wk
$1,647 per month
Ranked 2,445 of 14,663
Median Age
29years
9 years younger than the national median
Mortgage
$1,733/mo
Avg household size: 2.6 · 0.7 per bedroom

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

Seaford Heights Rent Prices & Affordability

18% of median household income goes on median rent

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

Household income $2,170/wk
Median rent $380/wk
Rent to income 17.5%

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

Median rent in Seaford Heights against your income

About $9,403 a month
Median rent $380/wk
Left after rent $1,790/wk
Rent share 17.5%

Seaford Heights Schools

7
schools nearby
5
government
1001
avg ICSEA score
3,656
total students
Tatachilla Lutheran College Independent
Combined · R-12 · 1,103 students
1068
ICSEA
Moana Primary School Government
Primary · R-6 · 369 students
1018
ICSEA
All Saints Catholic Primary School Catholic
Primary · R-6 · 536 students
1017
ICSEA
Old Noarlunga Primary School Government
Primary · R-6 · 155 students
999
ICSEA
Seaford Rise Primary School Government
Primary · U, R-6 · 369 students
977
ICSEA
South Port Primary School Government
Primary · U, R-6 · 295 students
968
ICSEA
Seaford Secondary College Government
Secondary · U, 7-12 · 829 students
962
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 Seaford Heights, with a map

Seaford Heights Map

Seaford Heights, South Australia Map data: OpenStreetMap
Loading map…

Seaford Heights, South Australia: 35.1983°S, 138.4971°E

Seaford Heights Circle size: offences per 1,000 residents Schools (7)

People in Seaford Heights

Demographics

Gender Split

Male 51.0% (546) Female 49.0% (524)

Population Density

623
people per km²
1,079 people · 1.7 km²

Households

2.6
Avg household size
0.7
Persons per bedroom
$2,343
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
10.6%
India
2.5%
Philippines
1.9%
South Africa
1.4%
Iraq
0.8%
Brazil
0.7%
United States of America
0.6%

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

Most common languages at home other than English

Punjabi
1.7%
Hindi
1.5%
Italian
0.9%
Filipino
0.7%
Afrikaans
0.6%
Serbian
0.6%
Arabic
0.6%

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

Ancestry

English
51.5%
Australian
35.9%
Scottish
8.8%
Irish
7.3%
German
4.6%
Italian
3.7%
Indian
3.2%
Dutch
2.2%
Filipino
2.2%
Australian Aboriginal
1.6%
Croatian
1.4%

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
60.4%
Catholic
11.4%
Anglican
5.7%
Not stated
3.7%
Christian (other)
3.1%
Uniting Church
2.4%
Hinduism
2.3%
Pentecostal
2.2%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

2.2%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
48.7% 400
Separated
2.1% 17
Divorced
6.4% 53
Widowed
2.1% 17
Never married
40.8% 335

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
52.3%
Couple: no children
28.9%
Couple: no children under 15
7.8%
One parent: children under 15
6.6%
One parent: no children under 15
4.4%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
17.0%
2 persons
37.7%
3 persons
19.7%
4 persons
16.7%
5 persons
6.2%
6+ persons
2.7%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Seaford Heights

Housing Tenure

Of the 398 occupied private dwellings in Seaford Heights at the 2021 Census, 23.1% were rented, 10.1% owned outright and 67.6% owned with a mortgage.

Owned outright
10.1% 40 dwellings
Owned with mortgage
67.6% 269 dwellings
Rented
23.1% 92 dwellings
Tenure type not stated
0.8% 3 dwellings

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

Dwelling Types

Separate house
94.4%
Semi-detached (1 storey)
3.3%
Semi-detached (2+ storey)
2.3%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

2 bedrooms
1.3%
3 bedrooms
62.0%
4 bedrooms
33.9%
5 bedrooms
1.8%
6+ bedrooms
1.0%

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

Monthly Mortgage Repayments

$0-$299/mo
3.1%
$300-$449/mo
1.2%
$800-$999/mo
1.2%
$1,000-$1,399/mo
13.0%
$1,400-$1,799/mo
37.0%
$1,800-$2,399/mo
31.9%
$2,400-$2,999/mo
9.8%
$3,000-$3,999/mo
2.8%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
1.0%
1 vehicle
28.8%
2 vehicles
56.0%
3 vehicles
10.4%
4+ vehicles
3.8%

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

Work, income and education in Seaford Heights

Employment

Employed full-time
55.9% 435 people
Employed part-time
26.1% 203 people
Unemployed
1.8% 14 people
Not in labour force
16.2% 126 people

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

Occupation

Professionals
26.7%
Technicians & Trade Workers
20.9%
Community & Personal Service
14.1%
Clerical & Administrative
11.7%
Managers
11.5%
Labourers
5.5%
Sales Workers
5.3%
Machinery Operators & Drivers
4.3%

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

Weekly Household Income

$400-$499/wk
2.6%
$500-$649/wk
1.6%
$650-$799/wk
2.6%
$800-$999/wk
5.8%
$1,000-$1,249/wk
6.1%
$1,250-$1,499/wk
9.0%
$1,500-$1,749/wk
7.4%
$1,750-$1,999/wk
7.7%
$2,000-$2,499/wk
19.0%
$2,500-$2,999/wk
17.7%
$3,000-$3,499/wk
10.8%
$3,500-$3,999/wk
4.5%
$4,000+/wk
5.3%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
6.6%
$1-$149/wk
1.6%
$150-$299/wk
3.3%
$300-$399/wk
1.7%
$400-$499/wk
1.9%
$500-$649/wk
1.7%
$650-$799/wk
7.9%
$800-$999/wk
13.0%
$1,000-$1,249/wk
18.6%
$1,250-$1,499/wk
15.3%
$1,500-$1,749/wk
11.2%
$1,750-$1,999/wk
7.4%
$2,000-$2,999/wk
8.0%
$3,000-$3,499/wk
1.3%
$3,500+/wk
0.6%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
77.8%
Did not go to work
14.2%
Car (passenger)
3.0%
Train
3.0%
Other
0.8%
Bus
0.7%
Motorbike/Scooter
0.5%

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

Education Level

Year 12 or equivalent
67.1%
Year 11 or equivalent
18.3%
Year 10 or equivalent
11.5%
Year 9 or equivalent
3.1%

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

Certificate III/IV
44.9%
Bachelor Degree
27.5%
Advanced Diploma/Diploma
13.9%
Postgraduate Degree
7.1%
Graduate Diploma/Certificate
3.5%
Certificate I/II
3.1%

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

Field of Study

Management & Commerce
21.5%
Society & Culture
15.7%
Engineering
15.2%
Health
12.2%
Education
10.0%
Architecture & Building
9.6%
Food, Hospitality & Personal Services
7.6%
Information Technology
4.1%
Creative Arts
1.7%
Agriculture & Environment
1.3%
Natural & Physical Sciences
1.1%

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

School & University Attendance

Primary: Government
34.8%
Pre-school
13.9%
Vocational Education
13.4%
Secondary: Government
12.9%
Primary: Other Non-Govt
8.0%
Secondary: Other Non-Govt
6.5%
Primary: Catholic
6.0%
Secondary: Catholic
4.5%

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
95.1%
Has need for assistance
2.2%
Need for assistance not stated
2.7%

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

Long-term Health Conditions

Mental health
80
Asthma
27
Diabetes
14
Arthritis
11
Heart disease
10
Lung condition
9
Stroke
5
Kidney disease
3

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

Unpaid Carers

Provided unpaid assistance
6.1% 49
Did not provide
93.9% 754

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
9.2% 74
Not a volunteer
90.8% 732

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Reserves
0.5% 4
Previously served
2.0% 16
Never served
97.5% 786

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
39.1%
1 child
19.2%
2 children
29.0%
3 children
10.9%
4 children
1.8%

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

When Migrants Arrived

1951: 1960
3
1961: 1970
16
1971: 1980
18
1981: 1990
18
1991: 2000
17
2001: 2010
103
2011: 2015
68
2016
15
2017
9
2018
4
2019
4
2020
8

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

Population Mobility

28.7%
moved in the last year
90.4%
moved in the last 5 years
2.2%
unemployment rate (Census)
83.7%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
722
Moved from SA
250
Moved: same area (SA2)
19
Moved from QLD
10
Moved from NT
7
Moved from WA
6
Moved from VIC
5
Moved from NSW
5
Moved from overseas
3

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

Unpaid Domestic Work

Less than 5 hours
21.4%
5: 14 hours
35.2%
15: 29 hours
11.3%
30+ hours
8.0%
Did not do domestic work
24.0%

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

Family Blending

Intact family: no other children
87.3%
Step family: no other children
7.3%
Blended family: no other children
5.3%

Source: ABS Census 2021, G31 Family Blending by SAL

Seaford Heights Crime Statistics

16 reported offences in 2025-26, by category.

Theft
6
Break & Enter
4
Assault
2
Other Against Person
2
Property Damage
1
Fraud
1

Total offences by year

2021
2022
2023
2024
2025

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

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Income: $1,003/wk Rent: $265/wk $115/wk less rent
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Income: $873/wk Rent: $320/wk $60/wk less rent
Collinswood
Income: $1,012/wk Rent: $300/wk $80/wk less rent
Worrolong
Income: $934/wk Rent: $361/wk $19/wk less rent
Wayville
Income: $979/wk Rent: $350/wk $30/wk less rent
Black Forest
Income: $894/wk Rent: $290/wk $90/wk less rent
Evandale (SA)
Income: $896/wk Rent: $320/wk $60/wk less rent

Suburbs near Seaford Heights

The closest suburb to Seaford Heights is Seaford Rise, 1.3 km away.

Seaford Rise
1.3 km away · income $709/wk · rent $318/wk
Old Noarlunga
2.0 km away · income $704/wk · rent $305/wk
Seaford (SA)
2.2 km away · income $656/wk · rent $330/wk
Moana
2.4 km away · income $810/wk · rent $330/wk
Seaford Meadows
3.4 km away · income $854/wk · rent $360/wk
Maslin Beach
4.1 km away · income $697/wk · rent $335/wk

Compare Seaford Heights

Frequently Asked Questions About Seaford Heights

What is the population of Seaford Heights SA?

The population of Seaford Heights SA is 1,079 according to the ABS Census 2021. The suburb has a population density of 623 people per km². Seaford Heights is ranked #3,862 out of 14,663 suburbs by population.

What is the median income in Seaford Heights?

The median personal income in Seaford Heights SA is $1,081 per week, or $56,212 per year. The median household income is $2,170 per week. Family income is $2,343 per week. Seaford Heights is ranked #783 by income out of 14,663 Australian suburbs.

How much is rent in Seaford Heights?

Median rent in Seaford Heights SA is $380 per week ($1,647 per month). Rent represents 17.5% of household income, which is considered affordable. Seaford Heights ranks #2,445 out of 14,663 suburbs by rent.

What are mortgage repayments in Seaford Heights?

The median monthly mortgage repayment in Seaford Heights SA is $1,733. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seaford Heights?

The median age in Seaford Heights SA is 29 years. This is younger than the national median age of 38 years.

Is Seaford Heights a good suburb to live in?

Seaford Heights is a suburb in South Australia with a population of 1,079. The median income is $1,081/wk, which is above the typical SA suburb ($759/wk). Rent affordability is rated as affordable (17.5% 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: 41316. All dollar figures in AUD.