Seaton, SA: suburb profile

The population of Seaton SA is 10,877 according to the 2021 Census. The median personal income in Seaton is $696 per week ($36,192 per year). Median rent in Seaton is $310 per week ($1,343 per month). Seaton has a median age of 40 years, older than the national median of 38. Seaton has a population density of 2,371 people per km².

The most common overseas birthplace in Seaton is Italy. The most common religion is No religion (32.0% of residents). After English, the most spoken language is Italian. The median monthly mortgage repayment in Seaton is $1,700.

There were 343 recorded offences in Seaton in 2025-26, a rate of 32 offences per 1,000 people. The most common offence category was theft (157 offences).

Population
10,877
Census 2021
Median income
$696/wk
Personal, Census 2021
Median rent
$310/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.

Seaton vs the typical SA suburb

The median personal income in Seaton is $696 a week, 8% below the typical SA suburb ($759). That ranks 448th of 710 SA suburbs with 200 or more residents. Median rent is $310 a week, $10 more than the typical SA suburb. Rent takes 23.8% 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.
MeasureSeatonTypical SADifferenceTypical Australia
Personal income$696/wk$759/wk −8%$766/wk
Household income$1,300/wk$1,494/wk −13%$1,637/wk
Rent$310/wk$300/wk +3%$330/wk
Mortgage repayment$1,700/mo$1,534/mo +11%$1,733/mo
Median age4043 −3 yrs42
Rent share of household income23.8%19.5% +4.4 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 Seaton, the typical SA suburb and the typical Australian suburb.

Seaton Population

10,877 residents at the 2021 Census.

Seaton Median Income & Rent

Median Income
$696/wk
$36,192 per year
Ranked 5,566 of 14,663
Median Rent
$310/wk
$1,343 per month
Ranked 4,328 of 14,663
Median Age
40years
2 years older than the national median
Mortgage
$1,700/mo
Avg household size: 2.3 · 0.8 per bedroom

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

Seaton Rent Prices & Affordability

24% of median household income goes on median rent

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

Household income $1,300/wk
Median rent $310/wk
Rent to income 23.8%

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

Median rent in Seaton against your income

About $5,633 a month
Median rent $310/wk
Left after rent $990/wk
Rent share 23.8%

Seaton Schools

21
schools nearby
13
government
1030
avg ICSEA score
10,069
total students
Star of the Sea School Catholic
Primary · R-6 · 558 students
1108
ICSEA
Fulham North Primary School Government
Primary · R-6 · 395 students
1095
ICSEA
Grange Primary School Government
Primary · R-6 · 702 students
1075
ICSEA
Lockleys North Primary School Government
Primary · R-6 · 422 students
1069
ICSEA
Our Lady of La Vang School Catholic
Combined · U · 70 students
1066
ICSEA
St Michael's College Catholic
Combined · R-12 · 2,193 students
1064
ICSEA
Kidman Park Primary School Government
Primary · U, R-6 · 485 students
1053
ICSEA
Henley High School Government
Secondary · U, 7-12 · 1,381 students
1045
ICSEA
Our Lady Queen of Peace School Catholic
Primary · R-6 · 278 students
1043
ICSEA
Fulham Gardens Primary School Government
Primary · U, R-6 · 148 students
1042
ICSEA
Woodville Primary School Government
Primary · R-6 · 204 students
1020
ICSEA
Seaton High School Government
Secondary · U, 7-12 · 917 students
1001
ICSEA
Seaton Park Primary School Government
Primary · U, R-6 · 149 students
999
ICSEA
Findon High School Government
Secondary · U, 7-12 · 467 students
978
ICSEA
Woodville High School Government
Secondary · U, 7-12 · 1,170 students
973
ICSEA

Showing 15 of 21 schools.

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

All schools near Seaton, with a map

Seaton Map

Seaton, South Australia Map data: OpenStreetMap
Loading map…

People in Seaton

Demographics

Gender Split

Male 48.4% (5,265) Female 51.6% (5,618)

Population Density

2,371
people per km²
10,877 people · 4.6 km²

Households

2.3
Avg household size
0.8
Persons per bedroom
$1,778
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

Italy
5.1%
India
4.2%
England
2.6%
Greece
1.3%
Bosnia and Herzegovina
0.9%
Croatia
0.9%
Philippines
0.8%

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

Most common languages at home other than English

Italian
7.5%
Greek
3.3%
Punjabi
2.5%
Serbian
2.0%
Arabic
1.4%
Vietnamese
0.8%
Mandarin
0.8%

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

Ancestry

English
25.4%
Australian
23.5%
Italian
20.8%
Greek
5.9%
Irish
5.6%
Scottish
5.5%
German
4.9%
Indian
3.6%
Serbian
2.4%
Australian Aboriginal
2.0%
Chinese
1.8%

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
32.0%
Catholic
30.4%
Eastern Orthodox
8.0%
Not stated
6.1%
Anglican
4.4%
Islam
2.8%
Uniting Church
2.7%
Christian (other)
2.5%

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
41.2% 3,802
Separated
3.6% 330
Divorced
11.0% 1,018
Widowed
7.5% 690
Never married
36.7% 3,389

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
34.9%
Couple: no children
27.2%
Couple: no children under 15
17.7%
One parent: no children under 15
10.9%
One parent: children under 15
9.3%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
33.3%
2 persons
32.8%
3 persons
16.2%
4 persons
12.1%
5 persons
4.0%
6+ persons
1.8%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Seaton

Housing Tenure

Of the 4,535 occupied private dwellings in Seaton at the 2021 Census, 35.5% were rented, 30.0% owned outright and 30.2% owned with a mortgage.

Other tenure type
2.5% 112 dwellings
Owned outright
30.0% 1,361 dwellings
Owned with mortgage
30.2% 1,369 dwellings
Rented
35.5% 1,610 dwellings
Tenure type not stated
1.9% 84 dwellings

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

Dwelling Types

Separate house
72.9%
Semi-detached (1 storey)
22.4%
Semi-detached (2+ storey)
4.7%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
1.5%
2 bedrooms
23.6%
3 bedrooms
60.1%
4 bedrooms
12.9%
5 bedrooms
1.6%
6+ bedrooms
0.4%

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

Monthly Mortgage Repayments

$0-$299/mo
5.2%
$300-$449/mo
2.5%
$450-$599/mo
2.3%
$600-$799/mo
4.3%
$800-$999/mo
5.2%
$1,000-$1,399/mo
17.2%
$1,400-$1,799/mo
20.2%
$1,800-$2,399/mo
27.5%
$2,400-$2,999/mo
10.1%
$3,000-$3,999/mo
5.6%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
9.6%
1 vehicle
41.7%
2 vehicles
33.2%
3 vehicles
10.5%
4+ vehicles
4.9%

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

Work, income and education in Seaton

Employment

Employed full-time
35.0% 2,981 people
Employed part-time
21.4% 1,822 people
Unemployed
3.2% 270 people
Not in labour force
40.5% 3,449 people

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

Occupation

Professionals
27.3%
Technicians & Trade Workers
17.4%
Community & Personal Service
14.2%
Clerical & Administrative
13.1%
Managers
11.1%
Labourers
6.2%
Sales Workers
5.4%
Machinery Operators & Drivers
5.4%

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

Weekly Household Income

Nil/Negative/wk
1.4%
$1-$149/wk
0.8%
$150-$299/wk
1.9%
$300-$399/wk
3.9%
$400-$499/wk
10.1%
$500-$649/wk
5.1%
$650-$799/wk
8.2%
$800-$999/wk
8.2%
$1,000-$1,249/wk
8.7%
$1,250-$1,499/wk
8.2%
$1,500-$1,749/wk
6.1%
$1,750-$1,999/wk
6.0%
$2,000-$2,499/wk
10.9%
$2,500-$2,999/wk
7.3%
$3,000-$3,499/wk
5.0%
$3,500-$3,999/wk
2.7%
$4,000+/wk
5.6%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
8.4%
$1-$149/wk
3.8%
$150-$299/wk
7.3%
$300-$399/wk
6.2%
$400-$499/wk
5.5%
$500-$649/wk
4.0%
$650-$799/wk
9.9%
$800-$999/wk
12.0%
$1,000-$1,249/wk
13.1%
$1,250-$1,499/wk
9.7%
$1,500-$1,749/wk
7.2%
$1,750-$1,999/wk
4.9%
$2,000-$2,999/wk
6.1%
$3,000-$3,499/wk
0.8%
$3,500+/wk
0.9%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
74.6%
Did not go to work
11.6%
Car (passenger)
5.0%
Bus
3.4%
Train
1.3%
Walked only
1.0%
Bicycle
0.7%
Other
0.7%
Taxi/Rideshare
0.5%
Tram/Light Rail
0.4%
Truck
0.4%
Motorbike/Scooter
0.3%

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

Education Level

Year 12 or equivalent
62.0%
Year 11 or equivalent
17.5%
Year 10 or equivalent
15.7%
Year 9 or equivalent
4.9%

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
38.8%
Bachelor Degree
30.0%
Advanced Diploma/Diploma
17.8%
Postgraduate Degree
7.9%
Graduate Diploma/Certificate
3.1%
Certificate I/II
2.5%

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

Field of Study

Management & Commerce
23.6%
Engineering
16.7%
Society & Culture
14.0%
Health
11.7%
Food, Hospitality & Personal Services
8.2%
Education
7.8%
Architecture & Building
6.4%
Information Technology
3.9%
Creative Arts
3.4%
Natural & Physical Sciences
2.7%
Agriculture & Environment
1.5%

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

School & University Attendance

Primary: Government
28.5%
Secondary: Government
17.8%
Vocational Education
14.5%
Primary: Catholic
14.2%
Secondary: Catholic
11.9%
Pre-school
8.9%
Primary: Other Non-Govt
2.4%
Secondary: Other Non-Govt
1.8%

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
86.6%
Has need for assistance
8.7%
Need for assistance not stated
4.7%

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

Long-term Health Conditions

Mental health
1,042
Arthritis
385
Diabetes
382
Heart disease
331
Asthma
319
Lung condition
226
Cancer
169
Stroke
143
Kidney disease
141
Dementia
78

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

Unpaid Carers

Provided unpaid assistance
13.7% 1,195
Did not provide
86.3% 7,556

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
11.2% 981
Not a volunteer
88.8% 7,796

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Regular
0.2% 17
Current ADF: Reserves
0.2% 15
Previously served
1.9% 170
Never served
97.7% 8,606

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
35.0%
1 child
15.2%
2 children
29.3%
3 children
14.2%
4 children
4.5%
5+ children
1.9%

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

When Migrants Arrived

Before 1951
97
1951: 1960
385
1961: 1970
488
1971: 1980
190
1981: 1990
178
1991: 2000
349
2001: 2010
543
2011: 2015
335
2016
92
2017
116
2018
108
2019
135
2020
56
2021
16

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

Population Mobility

12.7%
moved in the last year
38.7%
moved in the last 5 years
5.0%
unemployment rate (Census)
58.1%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
8,926
Moved from SA
928
Moved: same area (SA2)
178
Moved from VIC
46
Moved from overseas
44
Moved from NSW
36
Moved from QLD
27
Moved from ACT
10
Moved from NT
9

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

Unpaid Domestic Work

Less than 5 hours
20.3%
5: 14 hours
27.7%
15: 29 hours
12.2%
30+ hours
8.3%
Did not do domestic work
31.4%

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

Family Blending

Intact family: no other children
89.5%
Step family: no other children
7.2%
Blended family: no other children
2.3%
Intact family: other children present
1.0%

Source: ABS Census 2021, G31 Family Blending by SAL

Seaton Crime Statistics

343 reported offences in 2025-26, by category.

Theft
157
Assault
62
Break & Enter
47
Property Damage
45
Fraud
23
Other Against Person
8
Robbery
1

Total offences by year

2021
2022
2023
2024
2025

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

Cheaper alternatives with similar incomes

Suburbs near Seaton

The closest suburb to Seaton is Woodville West, 1.5 km away.

Woodville West
1.5 km away · income $845/wk · rent $330/wk
Grange (SA)
1.6 km away · income $824/wk · rent $334/wk
Findon
2.0 km away · income $721/wk · rent $310/wk
Albert Park (SA)
2.1 km away · income $752/wk · rent $300/wk
Hendon (SA)
2.1 km away · income $681/wk · rent $285/wk
Woodville South
2.1 km away · income $862/wk · rent $340/wk

Frequently Asked Questions About Seaton

What is the population of Seaton SA?

The population of Seaton SA is 10,877 according to the ABS Census 2021. The suburb has a population density of 2,371 people per km². Seaton is ranked #548 out of 14,663 suburbs by population.

What is the median income in Seaton?

The median personal income in Seaton SA is $696 per week, or $36,192 per year. The median household income is $1,300 per week. Family income is $1,778 per week. Seaton is ranked #5,566 by income out of 14,663 Australian suburbs.

How much is rent in Seaton?

Median rent in Seaton SA is $310 per week ($1,343 per month). Rent represents 23.8% of household income, which is considered affordable. Seaton ranks #4,328 out of 14,663 suburbs by rent.

What are mortgage repayments in Seaton?

The median monthly mortgage repayment in Seaton SA is $1,700. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seaton?

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

Is Seaton a good suburb to live in?

Seaton is a suburb in South Australia with a population of 10,877. The median income is $696/wk, which is below the typical SA suburb ($759/wk). Rent affordability is rated as affordable (23.8% of household income). See the full suburb profile above for detailed statistics.

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41320. All dollar figures in AUD.