South Australia · Suburb Profile

Seaford Heights SA — Suburb Profile

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

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 623.3 people per km².

The most common overseas birthplace in Seaford Heights is England. The most common religion is No Religion (66% of residents). After English, the most spoken language is SAL Tot. 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).

Seaford Heights Map

📍

Loading map…

Seaford Heights Population

residents (Census 2021)

Seaford Heights Median Income & Rent

💰

Median Income

$1,081/wk

$56,212 per year

#783 of 14,663

🏠

Median Rent

$380/wk

$1,647 per month

#2445 of 14,663

👤

Median Age

29years

9 years younger than national median

🏡

Mortgage

$1,733/mo

Avg household size: 2.6 · 0.7 per bedroom

Seaford Heights Demographics

Gender Split

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

Population Density

623.3

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

Seaford Heights 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)

Seaford Heights Housing Tenure

🏠

Owned outright

12.9% 40 dwellings

🏦

Owned with mortgage

87.1% 269 dwellings

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

Seaford Heights Country of Birth

Australia

84.9%

England

11.3%

India

3.8%

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

Seaford Heights Religion

No Religion

66.2%

Catholic

12.5%

Anglican

6.3%

Not stated

4.1%

Christian (other)

3.4%

Uniting Church

2.6%

Hinduism

2.5%

Pentecostal

2.4%

Source: ABS Census 2021 G14 — Religion by SAL

Seaford Heights 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%

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

Seaford Heights Languages Spoken at Home

SAL Tot

16.9%

Other

15.4%

Italian

13.8%

IAL Punjabi

13.8%

Hindi

10.8%

IAL Nepali

10.8%

Serbian

9.2%

Afrikaans

9.2%

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

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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights Ancestry

English

39.2%

Australian

27.3%

Other

6.9%

Scottish

6.7%

Irish

5.6%

German

3.5%

Italian

2.8%

Indian

2.4%

Dutch

1.7%

Filipino

1.7%

Aboriginal Australianralian

1.2%

Croatian

1.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

Seaford Heights 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

Seaford Heights Need for Assistance

♿

Needs assistance

2.5% 53

✅

No need for assistance

97.5% 2,048

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

Seaford Heights Volunteering

🤝

Volunteer

9.2% 74

—

Not a volunteer

90.8% 732

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights Indigenous Population

2.0%

Aboriginal & Torres Strait Islander

Indigenous residents

2,073

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Seaford Heights Long-term Health Conditions

Mental health

Asthma

Diabetes

Arthritis

Heart disease

Lung condition

Stroke

Kidney disease

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

Seaford Heights 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

Seaford Heights 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

Seaford Heights 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

Seaford Heights Unpaid Carers

🤲

Provided unpaid assistance

6.1% 49

—

Did not provide

93.9% 754

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Seaford Heights 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

Seaford Heights When Migrants Arrived

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

103

2011–2015

2016

2017

2018

2019

2020

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

Seaford Heights 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

Seaford Heights 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

Seaford Heights Where Residents Moved From

Same address

722

Moved from SA

250

Moved — same area (SA2)

Moved from QLD

Moved from NT

Moved from WA

Moved from VIC

Moved from NSW

Moved from overseas

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

Seaford Heights 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

Reported offences in 2025-26 — 16 total

Theft

Break & Enter

Assault

Other Against Person

Property Damage

Fraud

Offence trend by year:

2021

2022

2023

2024

2025

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

Seaford Heights Schools

schools nearby

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

View all schools in Seaford Heights with map →

Seaford Heights Rent Prices & Affordability

18%

of income

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.

If you earn X in Seaford Heights

Your weekly income

≈ $9,403/month

Median rent $380/wk

Left after rent $1,790/wk

Rent share 17.5%

Cheaper alternatives with similar incomes

Eyre

Income: $921/wk Rent: $335/wk Save: $45/wk

Whyalla Jenkins

Income: $1,003/wk Rent: $265/wk Save: $115/wk

Ashford (SA)

Income: $873/wk Rent: $320/wk Save: $60/wk

Collinswood

Income: $1,012/wk Rent: $300/wk Save: $80/wk

Worrolong

Income: $934/wk Rent: $361/wk Save: $19/wk

Wayville

Income: $979/wk Rent: $350/wk Save: $30/wk

Black Forest

Income: $894/wk Rent: $290/wk Save: $90/wk

Evandale (SA)

Income: $896/wk Rent: $320/wk Save: $60/wk

Seaford Heights vs State & National Average

Nearby Suburbs in SA

Tintinara

Pop: 544 Income: $855/wk Rent: $150/wk

Cadell

Pop: 547 Income: $479/wk Rent: $145/wk

Norton Summit

Pop: 548 Income: $855/wk Rent: $315/wk

Springfield (SA)

Pop: 548 Income: $1,356/wk Rent: $510/wk

Charleston

Pop: 550 Income: $883/wk Rent: $350/wk

Edithburgh

Pop: 550 Income: $459/wk Rent: $210/wk

Compare Seaford Heights

Seaford Heights vs Tintinara →Seaford Heights vs Cadell →Seaford Heights vs Norton Summit →Seaford Heights vs Springfield (SA) →

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 623.3 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 SA average of $763/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

Looking for schools, childcare centres, and playgrounds in this area? See kid.com.au for family facilities data.

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41316. All dollar figures in AUD.