South Australia · Suburb Profile

Seddon SA — Suburb Profile

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

The population of Seddon SA is 107 according to the 2021 Census. The median personal income in Seddon is $725 per week ($37,700 per year). Median rent in Seddon is $125 per week ($542 per month). Seddon has a median age of 37 years, younger than the national median of 38. Seddon has a population density of 0.4 people per km².

The most common religion is No Religion (68% of residents). The median monthly mortgage repayment in Seddon is $663.

There were 1 recorded offences in Seddon in 2025-26, a rate of 9 offences per 1,000 people. The most common offence category was theft (1 offences).

Seddon Map

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Seddon Population

residents (Census 2021)

Seddon Median Income & Rent

💰

Median Income

$725/wk

$37,700 per year

#5003 of 14,663

🏠

Median Rent

$125/wk

$542 per month

#8470 of 14,663

👤

Median Age

37years

1 years younger than national median

🏡

Mortgage

$663/mo

Avg household size: 2.9 · 0.9 per bedroom

Seddon Demographics

Gender Split

Male 49.5% (52) Female 50.5% (53)

Population Density

0.4

people per km²

107 people · 259.4 km²

Households

2.9

Avg household size

0.9

Persons per bedroom

$2,125

Family income/wk

Seddon 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

♂ Male ♀ Female

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

Seddon Housing Tenure

🏠

Owned outright

70.8% 17 dwellings

🏦

Owned with mortgage

29.2% 7 dwellings

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

Seddon Country of Birth

Australia

100.0%

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

Seddon Religion

No Religion

68.4%

Catholic

16.8%

Not stated

6.3%

Lutheran

4.2%

Uniting Church

4.2%

Source: ABS Census 2021 G14 — Religion by SAL

Seddon Education Level

Year 12 or equivalent

68.1%

Year 11 or equivalent

13.9%

Year 10 or equivalent

12.5%

Year 9 or equivalent

5.6%

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

Seddon Employment

💼

Employed full-time

47.1% 33 people

⏰

Employed part-time

34.3% 24 people

🏠

Not in labour force

18.6% 13 people

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

Seddon Qualifications

Bachelor Degree

52.3%

Certificate III/IV

29.5%

Postgraduate Degree

11.4%

Advanced Diploma/Diploma

6.8%

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

Seddon Occupation

Managers

44.4%

Labourers

25.0%

Clerical & Administrative

13.9%

Professionals

8.3%

Technicians & Trade Workers

8.3%

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

Seddon Field of Study

Agriculture & Environment

26.5%

Education

18.4%

Engineering

12.2%

Architecture & Building

12.2%

Natural & Physical Sciences

10.2%

Management & Commerce

10.2%

Society & Culture

10.2%

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

Seddon Dwelling Types

Separate house

100.0%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Seddon Weekly Household Income

$800-$999/wk

19.0%

$1,500-$1,749/wk

28.6%

$2,000-$2,499/wk

19.0%

$2,500-$2,999/wk

14.3%

$3,000-$3,499/wk

19.0%

Source: ABS Census 2021 G33 — Household Income by SAL

Seddon Marital Status

💍

Married

37.9% 36

↔️

Separated

4.2% 4

📋

Divorced

9.5% 9

🕊️

Widowed

6.3% 6

👤

Never married

42.1% 40

Source: ABS Census 2021 G05 — Marital Status by SAL

Seddon Ancestry

Australian

42.1%

English

25.0%

Scottish

12.9%

Irish

7.9%

Filipino

5.0%

German

2.9%

Maori

2.1%

Other

2.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

Seddon School & University Attendance

Primary — Government

47.4%

Secondary — Government

36.8%

Pre-school

15.8%

Source: ABS Census 2021 G15 — Type of Educational Institution by SAL

Seddon Need for Assistance

✅

No need for assistance

100.0% 183

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

Seddon Volunteering

🤝

Volunteer

45.8% 38

—

Not a volunteer

54.2% 45

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Seddon Monthly Mortgage Repayments

$0-$299/mo

100.0%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Seddon How People Get to Work

Car (driver)

60.4%

Car (passenger)

22.9%

Walked only

8.3%

Did not go to work

8.3%

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

Seddon Car Ownership

1 vehicle

7.3%

2 vehicles

43.9%

3 vehicles

17.1%

4+ vehicles

31.7%

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

Seddon Number of Bedrooms

3 bedrooms

58.3%

4 bedrooms

41.7%

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

Seddon Population Mobility

10.3%

moved in the last year

26.0%

moved in the last 5 years

3.1%

unemployment rate (Census)

76.5%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Seddon Indigenous Population

0.0%

Aboriginal & Torres Strait Islander

Indigenous residents

177

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Seddon Long-term Health Conditions

Mental health

Arthritis

Heart disease

Stroke

Cancer

Lung condition

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

Seddon Personal Weekly Income Distribution

$0 or less/wk

11.3%

$150-$299/wk

4.8%

$300-$399/wk

4.8%

$400-$499/wk

6.5%

$650-$799/wk

19.4%

$800-$999/wk

22.6%

$1,000-$1,249/wk

22.6%

$1,500-$1,749/wk

8.1%

Source: ABS Census 2021 G17 — Personal Income by SAL

Seddon Family Structure

Couple — children under 15

63.6%

Couple — no children

28.6%

One parent — no children under 15

7.8%

Source: ABS Census 2021 G29 — Family Composition by SAL

Seddon Military Service

🏅

Previously served

4.8% 4

👤

Never served

95.2% 79

Source: ABS Census 2021 G22 — ADF Service by SAL

Seddon Unpaid Carers

🤲

Provided unpaid assistance

14.5% 12

—

Did not provide

85.5% 71

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Seddon Children Ever Born

No children

51.9%

3 children

37.0%

5+ children

11.1%

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

Seddon When Migrants Arrived

2001–2010

2011–2015

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

Seddon Unpaid Domestic Work

Less than 5 hours

25.0%

5–14 hours

46.3%

15–29 hours

13.8%

30+ hours

6.3%

Did not do domestic work

8.8%

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

Seddon Household Size

1 person

16.1%

2 persons

38.7%

3 persons

25.8%

4 persons

9.7%

6+ persons

9.7%

Source: ABS Census 2021 G35 — Household Size by SAL

Seddon Where Residents Moved From

Same address

Moved from SA

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

Seddon Family Blending

Intact family — no other children

78.6%

Blended family — no other children

21.4%

Source: ABS Census 2021 G31 — Family Blending by SAL

Seddon Crime Statistics

Reported offences in 2025-26 — 1 total

Theft

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

Seddon Rent Prices & Affordability

of income

Affordable

Household Income $1,708/wk

Median Rent $125/wk

Rent-to-Income 7.3%

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

If you earn X in Seddon

Your weekly income

≈ $7,401/month

Median rent $125/wk

Left after rent $1,583/wk

Rent share 7.3%

Seddon vs State & National Average

Nearby Suburbs in SA

Clements Gap

Pop: 54 Income: $774/wk

Kainton

Pop: 54 Income: $778/wk Rent: $200/wk

Shaugh

Pop: 54 Income: $1,075/wk Rent: $100/wk

Whites Flat

Pop: 54 Income: $537/wk Rent: $90/wk

Kielpa

Pop: 55 Income: $665/wk Rent: $18/wk

Merriton

Pop: 55 Income: $812/wk

Compare Seddon (SA)

Seddon (SA) vs Clements Gap →Seddon (SA) vs Kainton →Seddon (SA) vs Shaugh →Seddon (SA) vs Whites Flat →

Frequently Asked Questions About Seddon

What is the population of Seddon SA?

The population of Seddon SA is 107 according to the ABS Census 2021.The suburb has a population density of 0.4 people per km².Seddon is ranked #8,750 out of 14,663 suburbs by population.

What is the median income in Seddon?

The median personal income in Seddon SA is $725 per week, or $37,700 per year.The median household income is $1,708 per week.Family income is $2,125 per week.Seddon is ranked #5,003 by income out of 14,663 Australian suburbs.

How much is rent in Seddon?

Median rent in Seddon SA is $125 per week ($542 per month).Rent represents 7.3% of household income, which is considered affordable.Seddon ranks #8,470 out of 14,663 suburbs by rent.

What are mortgage repayments in Seddon?

The median monthly mortgage repayment in Seddon SA is $663. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seddon?

The median age in Seddon SA is 37 years.This is younger than the national median age of 38 years.

Is Seddon a good suburb to live in?

Seddon is a suburb in South Australia with a population of 107.The median income is $725/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (7.3% 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: 41325. All dollar figures in AUD.