Seaford, SA: suburb profile

The population of Seaford SA is 4,493 according to the 2021 Census. The median personal income in Seaford is $656 per week ($34,112 per year). Median rent in Seaford is $330 per week ($1,430 per month). Seaford has a median age of 43 years, older than the national median of 38. Seaford has a population density of 1,512 people per km².

The most common overseas birthplace in Seaford is England. The most common religion is No religion (58.9% of residents). After English, the most spoken language is German. The median monthly mortgage repayment in Seaford is $1,400.

There were 264 recorded offences in Seaford in 2025-26, a rate of 59 offences per 1,000 people. The most common offence category was theft (137 offences).

Population
4,493
Census 2021
Median income
$656/wk
Personal, Census 2021
Median rent
$330/wk
Weekly, Census 2021
Median age
43years
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 vs the typical SA suburb

The median personal income in Seaford is $656 a week, 14% below the typical SA suburb ($759). That ranks 500th of 710 SA suburbs with 200 or more residents. Median rent is $330 a week, $30 more than the typical SA suburb. Rent takes 26.3% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 43, the same age as in the typical SA suburb.

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureSeafordTypical SADifferenceTypical Australia
Personal income$656/wk$759/wk −14%$766/wk
Household income$1,254/wk$1,494/wk −16%$1,637/wk
Rent$330/wk$300/wk +10%$330/wk
Mortgage repayment$1,400/mo$1,534/mo −9%$1,733/mo
Median age4343 0 yrs42
Rent share of household income26.3%19.5% +6.9 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, the typical SA suburb and the typical Australian suburb.

Seaford Population

4,493 residents at the 2021 Census.

Seaford Median Income & Rent

Median Income
$656/wk
$34,112 per year
Ranked 6,231 of 14,663
Median Rent
$330/wk
$1,430 per month
Ranked 3,803 of 14,663
Median Age
43years
5 years older than the national median
Mortgage
$1,400/mo
Avg household size: 2.3 · 0.7 per bedroom

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

Seaford Rent Prices & Affordability

26% of median household income goes on median rent

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

Household income $1,254/wk
Median rent $330/wk
Rent to income 26.3%

Rent is between 25% and 35% of household income: moderate housing costs.

Median rent in Seaford against your income

About $5,434 a month
Median rent $330/wk
Left after rent $924/wk
Rent share 26.3%

Seaford Schools

6
schools nearby
5
government
990
avg ICSEA score
2,553
total students
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, with a map

Seaford Map

Seaford, South Australia Map data: OpenStreetMap
Loading map…

Seaford, South Australia: 35.1856°S, 138.4783°E

Seaford Circle size: offences per 1,000 residents Schools (6)

People in Seaford

Demographics

Gender Split

Male 47.3% (2,125) Female 52.7% (2,363)

Population Density

1,512
people per km²
4,493 people · 3.0 km²

Households

2.3
Avg household size
0.7
Persons per bedroom
$1,553
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
13.8%
New Zealand
1.6%
Scotland
1.1%
South Africa
0.8%
Germany
0.7%
Philippines
0.6%
Netherlands
0.5%

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

Most common languages at home other than English

German
0.6%
Spanish
0.4%
Arabic
0.3%
Mandarin
0.3%
Tagalog
0.3%
Polish
0.2%
Afrikaans
0.2%

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

Ancestry

English
52.3%
Australian
36.8%
Scottish
10.5%
Irish
8.9%
German
6.6%
Dutch
2.8%
Italian
2.1%
Australian Aboriginal
1.7%
Welsh
1.2%
Polish
1.0%
Maori
0.9%

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
58.9%
Catholic
10.7%
Anglican
9.5%
Not stated
5.8%
Uniting Church
4.6%
Christian (other)
2.6%
Lutheran
1.6%
Baptist
1.1%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

1.8%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
43.7% 1,630
Separated
4.0% 148
Divorced
10.6% 395
Widowed
9.1% 340
Never married
32.6% 1,215

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
35.9%
Couple: no children
31.7%
Couple: no children under 15
14.3%
One parent: children under 15
10.2%
One parent: no children under 15
7.9%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
29.7%
2 persons
35.6%
3 persons
14.7%
4 persons
14.2%
5 persons
4.5%
6+ persons
1.1%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Seaford

Housing Tenure

Of the 1,826 occupied private dwellings in Seaford at the 2021 Census, 26.2% were rented, 31.1% owned outright and 35.0% owned with a mortgage.

Other tenure type
6.4% 116 dwellings
Owned outright
31.1% 568 dwellings
Owned with mortgage
35.0% 640 dwellings
Rented
26.2% 478 dwellings
Tenure type not stated
1.2% 22 dwellings

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

Dwelling Types

Separate house
89.3%
Semi-detached (1 storey)
10.6%
Semi-detached (2+ storey)
0.2%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
0.9%
2 bedrooms
11.9%
3 bedrooms
65.4%
4 bedrooms
18.8%
5 bedrooms
2.7%
6+ bedrooms
0.2%

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

Monthly Mortgage Repayments

$0-$299/mo
6.2%
$300-$449/mo
3.0%
$450-$599/mo
2.9%
$600-$799/mo
5.9%
$800-$999/mo
6.9%
$1,000-$1,399/mo
23.5%
$1,400-$1,799/mo
27.7%
$1,800-$2,399/mo
17.6%
$2,400-$2,999/mo
4.0%
$3,000-$3,999/mo
2.2%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
6.6%
1 vehicle
43.3%
2 vehicles
35.4%
3 vehicles
9.4%
4+ vehicles
5.2%

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

Work, income and education in Seaford

Employment

Employed full-time
30.8% 1,047 people
Employed part-time
20.7% 704 people
Unemployed
4.0% 135 people
Not in labour force
44.5% 1,513 people

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

Occupation

Professionals
23.3%
Technicians & Trade Workers
20.0%
Community & Personal Service
17.0%
Clerical & Administrative
12.7%
Managers
10.4%
Labourers
7.0%
Sales Workers
6.0%
Machinery Operators & Drivers
3.6%

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

Weekly Household Income

Nil/Negative/wk
1.2%
$1-$149/wk
1.0%
$150-$299/wk
1.1%
$300-$399/wk
3.2%
$400-$499/wk
8.9%
$500-$649/wk
6.8%
$650-$799/wk
8.4%
$800-$999/wk
9.5%
$1,000-$1,249/wk
9.9%
$1,250-$1,499/wk
9.8%
$1,500-$1,749/wk
6.8%
$1,750-$1,999/wk
6.5%
$2,000-$2,499/wk
9.9%
$2,500-$2,999/wk
6.2%
$3,000-$3,499/wk
4.2%
$3,500-$3,999/wk
2.2%
$4,000+/wk
4.6%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
8.8%
$1-$149/wk
4.5%
$150-$299/wk
7.0%
$300-$399/wk
7.1%
$400-$499/wk
5.3%
$500-$649/wk
4.2%
$650-$799/wk
11.6%
$800-$999/wk
12.0%
$1,000-$1,249/wk
12.9%
$1,250-$1,499/wk
8.8%
$1,500-$1,749/wk
6.4%
$1,750-$1,999/wk
4.1%
$2,000-$2,999/wk
5.0%
$3,000-$3,499/wk
0.8%
$3,500+/wk
1.3%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
73.6%
Did not go to work
13.3%
Car (passenger)
5.4%
Train
3.7%
Walked only
1.3%
Bus
0.9%
Bicycle
0.6%
Other
0.4%
Truck
0.3%
Taxi/Rideshare
0.2%
Motorbike/Scooter
0.2%

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

Education Level

Year 12 or equivalent
51.0%
Year 11 or equivalent
22.1%
Year 10 or equivalent
21.2%
Year 9 or equivalent
5.7%

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
49.3%
Bachelor Degree
19.7%
Advanced Diploma/Diploma
18.9%
Postgraduate Degree
4.5%
Certificate I/II
3.9%
Graduate Diploma/Certificate
3.8%

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

Field of Study

Management & Commerce
18.8%
Society & Culture
16.5%
Engineering
14.9%
Health
12.0%
Education
11.0%
Architecture & Building
9.7%
Food, Hospitality & Personal Services
6.4%
Creative Arts
3.9%
Agriculture & Environment
3.4%
Natural & Physical Sciences
2.3%
Information Technology
1.1%

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

School & University Attendance

Primary: Government
34.5%
Secondary: Government
16.9%
Vocational Education
12.3%
Secondary: Catholic
10.4%
Primary: Catholic
8.6%
Pre-school
7.9%
Secondary: Other Non-Govt
5.0%
Primary: Other Non-Govt
4.4%

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
86.3%
Has need for assistance
7.9%
Need for assistance not stated
5.9%

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

Long-term Health Conditions

Mental health
547
Arthritis
235
Asthma
189
Heart disease
139
Diabetes
139
Lung condition
134
Cancer
97
Stroke
95
Kidney disease
39
Dementia
30

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

Unpaid Carers

Provided unpaid assistance
15.5% 542
Did not provide
84.5% 2,950

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
14.2% 499
Not a volunteer
85.8% 3,003

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Previously served
3.3% 114
Never served
96.7% 3,384

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
26.1%
1 child
13.6%
2 children
35.8%
3 children
17.4%
4 children
5.8%
5+ children
1.2%

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

When Migrants Arrived

Before 1951
14
1951: 1960
86
1961: 1970
248
1971: 1980
181
1981: 1990
115
1991: 2000
78
2001: 2010
174
2011: 2015
87
2016
18
2017
14
2018
13
2019
14
2020
5
2021
7

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

Population Mobility

9.8%
moved in the last year
36.1%
moved in the last 5 years
6.7%
unemployment rate (Census)
53.5%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
3,747
Moved from SA
275
Moved: same area (SA2)
79
Moved from overseas
26
Moved from NSW
8
Moved from QLD
7
Moved from WA
4
Moved from VIC
3

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

Unpaid Domestic Work

Less than 5 hours
19.9%
5: 14 hours
30.4%
15: 29 hours
14.6%
30+ hours
9.9%
Did not do domestic work
25.3%

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

Family Blending

Intact family: no other children
82.2%
Step family: no other children
10.5%
Blended family: no other children
5.9%
Step family: other children present
1.3%

Source: ABS Census 2021, G31 Family Blending by SAL

Seaford Crime Statistics

264 reported offences in 2025-26, by category.

Theft
137
Property Damage
54
Assault
44
Break & Enter
14
Fraud
10
Other Against Person
3
Robbery
2

Total offences by year

2021
2022
2023
2024
2025

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

Cheaper alternatives with similar incomes

Risdon Park
Income: $577/wk Rent: $180/wk $150/wk less rent
Keith
Income: $746/wk Rent: $180/wk $150/wk less rent
Port Pirie South
Income: $616/wk Rent: $200/wk $130/wk less rent
Queenstown (SA)
Income: $623/wk Rent: $270/wk $60/wk less rent
Lobethal
Income: $759/wk Rent: $310/wk $20/wk less rent
Ridgehaven
Income: $688/wk Rent: $320/wk $10/wk less rent
Birdwood (SA)
Income: $776/wk Rent: $320/wk $10/wk less rent
Glenside
Income: $761/wk Rent: $326/wk $4/wk less rent

Suburbs near Seaford

The closest suburb to Seaford is Seaford Meadows, 2.0 km away.

Seaford Meadows
2.0 km away · income $854/wk · rent $360/wk
Seaford Rise
2.1 km away · income $709/wk · rent $318/wk
Seaford Heights
2.2 km away · income $1,081/wk · rent $380/wk
Old Noarlunga
2.3 km away · income $704/wk · rent $305/wk
Port Noarlunga South
2.3 km away · income $786/wk · rent $350/wk
Moana
2.4 km away · income $810/wk · rent $330/wk

Compare Seaford (SA)

Frequently Asked Questions About Seaford

What is the population of Seaford SA?

The population of Seaford SA is 4,493 according to the ABS Census 2021. The suburb has a population density of 1,512 people per km². Seaford is ranked #1,733 out of 14,663 suburbs by population.

What is the median income in Seaford?

The median personal income in Seaford SA is $656 per week, or $34,112 per year. The median household income is $1,254 per week. Family income is $1,553 per week. Seaford is ranked #6,231 by income out of 14,663 Australian suburbs.

How much is rent in Seaford?

Median rent in Seaford SA is $330 per week ($1,430 per month). Rent represents 26.3% of household income, which is considered moderate. Seaford ranks #3,803 out of 14,663 suburbs by rent.

What are mortgage repayments in Seaford?

The median monthly mortgage repayment in Seaford SA is $1,400. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seaford?

The median age in Seaford SA is 43 years. This is older than the national median age of 38 years.

Is Seaford a good suburb to live in?

Seaford is a suburb in South Australia with a population of 4,493. The median income is $656/wk, which is below the typical SA suburb ($759/wk). Rent affordability is rated as moderate (26.3% 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: 41315. All dollar figures in AUD.