South Australia · Suburb Profile

Seaton SA — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Seaton, South Australia. ABS Census 2021.

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 2371.1 people per km².

The most common overseas birthplace in Seaton is India. The most common religion is No Religion (36% 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).

Seaton Map

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Seaton Population

residents (Census 2021)

Seaton Median Income & Rent

💰

Median Income

$696/wk

$36,192 per year

#5566 of 14,663

🏠

Median Rent

$310/wk

$1,343 per month

#4328 of 14,663

👤

Median Age

40years

2 years older than national median

🏡

Mortgage

$1,700/mo

Avg household size: 2.3 · 0.8 per bedroom

Seaton Demographics

Gender Split

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

Population Density

2371.1

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

Seaton 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 & Locality (SAL)

Seaton Housing Tenure

🏠

Owned outright

49.9% 1,361 dwellings

🏦

Owned with mortgage

50.1% 1,369 dwellings

Source: ABS Census 2021 — Suburb & Locality (SAL)

Seaton Country of Birth

Australia

85.0%

India

6.5%

England

3.1%

Greece

1.5%

Bosnia & Herzegovina

1.1%

Croatia

0.9%

Germany

0.7%

China

0.5%

Brazil

0.4%

Egypt

0.4%

Source: ABS Census 2021 G09 — Country of Birth by SAL

Seaton Religion

No Religion

36.0%

Catholic

34.2%

Eastern Orthodox

9.0%

Not stated

6.9%

Anglican

5.0%

Islam

3.2%

Uniting Church

3.1%

Christian (other)

2.8%

Source: ABS Census 2021 G14 — Religion by SAL

Seaton 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%

Source: ABS Census 2021 G16 — Highest Year of School by SAL

Seaton Languages Spoken at Home

Italian

33.2%

IAL Punjabi

14.7%

Other

14.6%

Greek

14.6%

Serbian

8.3%

Arabic

7.1%

SAL Tot

3.9%

Hindi

3.6%

Source: ABS Census 2021 G13 — Language Spoken at Home by SAL

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

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton Ancestry

English

22.1%

Australian

20.5%

Italian

18.1%

Other

11.8%

Greek

5.2%

Irish

4.9%

Scottish

4.8%

German

4.2%

Indian

3.1%

Serbian

2.1%

Aboriginal Australianralian

1.7%

Chinese

1.6%

Source: ABS Census 2021 G08 — Ancestry by SAL

Seaton 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

Seaton Need for Assistance

♿

Needs assistance

9.1% 1,887

✅

No need for assistance

90.9% 18,851

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

Seaton Volunteering

🤝

Volunteer

11.2% 981

—

Not a volunteer

88.8% 7,796

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton Indigenous Population

2.2%

Aboriginal & Torres Strait Islander

469

Indigenous residents

20,407

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Seaton 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

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

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton 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

Seaton When Migrants Arrived

Before 1951

1951–1960

385

1961–1970

488

1971–1980

190

1981–1990

178

1991–2000

349

2001–2010

543

2011–2015

335

2016

2017

116

2018

108

2019

135

2020

2021

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

Seaton 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

Seaton 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

Seaton Where Residents Moved From

Same address

8,926

Moved from SA

928

Moved — same area (SA2)

178

Moved from VIC

Moved from overseas

Moved from NSW

Moved from QLD

Moved from ACT

Moved from NT

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

Seaton 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

Reported offences in 2025-26 — 343 total

Theft

157

Assault

Break & Enter

Property Damage

Fraud

Other Against Person

Robbery

Offence trend by year:

2021

2022

2023

2024

2025

Source: SA Government Open Data — data.sa.gov.au

Seaton Schools

schools nearby

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

View all schools in Seaton with map →

Seaton Rent Prices & Affordability

24%

of income

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.

If you earn X in Seaton

Your weekly income

≈ $5,633/month

Median rent $310/wk

Left after rent $990/wk

Rent share 23.8%

Cheaper alternatives with similar incomes

Port Augusta West

Income: $720/wk Rent: $213/wk Save: $97/wk

Bordertown

Income: $819/wk Rent: $220/wk Save: $90/wk

Naracoorte

Income: $758/wk Rent: $230/wk Save: $80/wk

Hendon (SA)

Income: $681/wk Rent: $285/wk Save: $25/wk

Para Vista

Income: $642/wk Rent: $285/wk Save: $25/wk

Salisbury East

Income: $599/wk Rent: $290/wk Save: $20/wk

Hackham

Income: $613/wk Rent: $297/wk Save: $13/wk

Peterhead

Income: $801/wk Rent: $300/wk Save: $10/wk

Seaton vs State & National Average

Nearby Suburbs in SA

Plympton

Pop: 5,459 Income: $843/wk Rent: $300/wk

Flinders Park

Pop: 5,489 Income: $786/wk Rent: $380/wk

North Haven (SA)

Pop: 5,585 Income: $758/wk Rent: $365/wk

Modbury

Pop: 5,593 Income: $683/wk Rent: $315/wk

Kilburn

Pop: 5,633 Income: $542/wk Rent: $270/wk

Gawler East

Pop: 5,689 Income: $776/wk Rent: $300/wk

Compare Seaton (SA)

Seaton (SA) vs Plympton →Seaton (SA) vs Flinders Park →Seaton (SA) vs North Haven (SA) →Seaton (SA) vs Modbury →

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 2371.1 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 SA average of $763/wk.Rent affordability is rated as affordable (23.8% of household income). See the full suburb profile above for detailed statistics.

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