New South Wales · Suburb Profile

Seaham NSW — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Seaham, New South Wales. ABS Census 2021.

The population of Seaham NSW is 1,011 according to the 2021 Census. The median personal income in Seaham is $839 per week ($43,628 per year). Median rent in Seaham is $360 per week ($1,560 per month). Seaham has a median age of 41 years, older than the national median of 38. Seaham has a population density of 26.2 people per km².

The most common overseas birthplace in Seaham is England. The most common religion is No Religion (40% of residents). The median monthly mortgage repayment in Seaham is $2,149.

There were 5 recorded offences in Seaham in 2025-26, a rate of 5 offences per 1,000 people. The most common offence category was theft (2 offences).

Seaham Map

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Seaham Population

residents (Census 2021)

Seaham Median Income & Rent

💰

Median Income

$839/wk

$43,628 per year

#2970 of 14,663

🏠

Median Rent

$360/wk

$1,560 per month

#2908 of 14,663

👤

Median Age

41years

3 years older than national median

🏡

Mortgage

$2,149/mo

Avg household size: 3.1 · 0.8 per bedroom

Seaham Demographics

Gender Split

Male 50.5% (515) Female 49.5% (505)

Population Density

26.2

people per km²

1,011 people · 38.6 km²

Households

3.1

Avg household size

0.8

Persons per bedroom

$2,454

Family income/wk

Seaham 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)

Seaham Housing Tenure

🏠

Owned outright

44.7% 136 dwellings

🏦

Owned with mortgage

55.3% 168 dwellings

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

Seaham Country of Birth

Australia

98.3%

England

1.7%

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

Seaham Religion

No Religion

40.2%

Catholic

24.4%

Anglican

20.2%

Uniting Church

4.8%

Not stated

3.9%

Christian (other)

2.8%

Baptist

2.4%

Christinty Prsbytrin Refrmd

1.3%

Source: ABS Census 2021 G14 — Religion by SAL

Seaham Education Level

Year 12 or equivalent

48.8%

Year 10 or equivalent

39.3%

Year 11 or equivalent

7.4%

Year 9 or equivalent

4.5%

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

Seaham Employment

💼

Employed full-time

43.1% 321 people

⏰

Employed part-time

22.6% 168 people

🔍

Unemployed

2.6% 19 people

🏠

Not in labour force

31.7% 236 people

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

Seaham Qualifications

Certificate III/IV

49.6%

Bachelor Degree

20.0%

Advanced Diploma/Diploma

18.2%

Postgraduate Degree

5.2%

Certificate I/II

4.3%

Graduate Diploma/Certificate

2.8%

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

Seaham Occupation

Professionals

23.8%

Technicians & Trade Workers

19.5%

Clerical & Administrative

14.2%

Community & Personal Service

13.4%

Managers

12.1%

Machinery Operators & Drivers

7.7%

Labourers

5.5%

Sales Workers

3.8%

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

Seaham Field of Study

Engineering

29.5%

Management & Commerce

19.3%

Health

13.2%

Society & Culture

9.6%

Education

7.7%

Architecture & Building

7.4%

Food, Hospitality & Personal Services

5.0%

Information Technology

2.5%

Natural & Physical Sciences

2.5%

Agriculture & Environment

1.9%

Creative Arts

1.4%

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

Seaham Dwelling Types

Separate house

100.0%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Seaham Weekly Household Income

Nil/Negative/wk

1.4%

$400-$499/wk

2.4%

$500-$649/wk

2.1%

$650-$799/wk

3.4%

$800-$999/wk

4.5%

$1,000-$1,249/wk

7.9%

$1,250-$1,499/wk

11.0%

$1,500-$1,749/wk

5.2%

$1,750-$1,999/wk

3.4%

$2,000-$2,499/wk

13.1%

$2,500-$2,999/wk

9.3%

$3,000-$3,499/wk

12.0%

$3,500-$3,999/wk

7.6%

$4,000+/wk

16.8%

Source: ABS Census 2021 G33 — Household Income by SAL

Seaham Marital Status

💍

Married

56.8% 462

↔️

Separated

2.9% 24

📋

Divorced

6.8% 55

🕊️

Widowed

2.6% 21

👤

Never married

31.0% 252

Source: ABS Census 2021 G05 — Marital Status by SAL

Seaham Ancestry

Australian

34.4%

English

34.4%

Scottish

9.4%

Irish

8.6%

Aboriginal Australianralian

3.0%

Other

2.7%

German

2.3%

Italian

1.5%

Maltese

1.4%

Welsh

0.9%

Filipino

0.7%

Dutch

0.7%

Source: ABS Census 2021 G08 — Ancestry by SAL

Seaham School & University Attendance

Primary — Government

30.8%

Secondary — Government

18.3%

Vocational Education

12.1%

Pre-school

11.3%

Primary — Other Non-Govt

8.8%

Secondary — Catholic

8.3%

Secondary — Other Non-Govt

7.5%

Primary — Catholic

2.9%

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

Seaham Need for Assistance

♿

Needs assistance

4.0% 78

✅

No need for assistance

96.0% 1,889

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

Seaham Volunteering

🤝

Volunteer

17.8% 140

—

Not a volunteer

82.2% 646

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Seaham Monthly Mortgage Repayments

$0-$299/mo

4.0%

$600-$799/mo

2.0%

$800-$999/mo

3.3%

$1,000-$1,399/mo

13.3%

$1,400-$1,799/mo

17.3%

$1,800-$2,399/mo

27.3%

$2,400-$2,999/mo

18.0%

$3,000-$3,999/mo

14.7%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Seaham How People Get to Work

Car (driver)

73.2%

Did not go to work

20.4%

Truck

2.1%

Other

1.7%

Walked only

1.4%

Car (passenger)

1.2%

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

Seaham Car Ownership

1 vehicle

13.7%

2 vehicles

43.0%

3 vehicles

19.9%

4+ vehicles

23.4%

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

Seaham Number of Bedrooms

1 bedroom

2.8%

2 bedrooms

3.7%

3 bedrooms

24.8%

4 bedrooms

48.5%

5 bedrooms

16.0%

6+ bedrooms

4.3%

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

Seaham Population Mobility

9.4%

moved in the last year

26.4%

moved in the last 5 years

3.9%

unemployment rate (Census)

68.8%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Seaham Indigenous Population

4.5%

Aboriginal & Torres Strait Islander

Indigenous residents

1,891

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Seaham Long-term Health Conditions

Mental health

Arthritis

Asthma

Heart disease

Diabetes

Lung condition

Cancer

Dementia

Kidney disease

Stroke

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

Seaham Personal Weekly Income Distribution

$0 or less/wk

12.1%

$1-$149/wk

3.7%

$150-$299/wk

6.3%

$300-$399/wk

3.1%

$400-$499/wk

1.9%

$500-$649/wk

1.6%

$650-$799/wk

10.9%

$800-$999/wk

10.3%

$1,000-$1,249/wk

10.7%

$1,250-$1,499/wk

9.6%

$1,500-$1,749/wk

6.1%

$1,750-$1,999/wk

6.3%

$2,000-$2,999/wk

13.3%

$3,000-$3,499/wk

1.6%

$3,500+/wk

2.4%

Source: ABS Census 2021 G17 — Personal Income by SAL

Seaham Family Structure

Couple — children under 15

40.3%

Couple — no children under 15

26.8%

Couple — no children

24.9%

One parent — children under 15

4.6%

One parent — no children under 15

3.5%

Source: ABS Census 2021 G29 — Family Composition by SAL

Seaham Military Service

🎖️

Current ADF — Regular

0.4% 3

🏅

Previously served

4.8% 38

👤

Never served

94.8% 750

Source: ABS Census 2021 G22 — ADF Service by SAL

Seaham Unpaid Carers

🤲

Provided unpaid assistance

18.1% 143

—

Did not provide

81.9% 648

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Seaham Children Ever Born

No children

29.6%

1 child

7.4%

2 children

29.8%

3 children

24.8%

4 children

7.7%

5+ children

0.8%

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

Seaham When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

2011–2015

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

Seaham Unpaid Domestic Work

Less than 5 hours

19.6%

5–14 hours

30.5%

15–29 hours

17.8%

30+ hours

13.5%

Did not do domestic work

18.6%

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

Seaham Household Size

1 person

10.1%

2 persons

36.7%

3 persons

16.8%

4 persons

18.0%

5 persons

13.5%

6+ persons

4.9%

Source: ABS Census 2021 G35 — Household Size by SAL

Seaham Where Residents Moved From

Same address

890

Moved from NSW

Moved — same area (SA2)

Moved from VIC

Moved from overseas

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

Seaham Family Blending

Intact family — no other children

83.6%

Step family — no other children

4.6%

Blended family — no other children

4.6%

Intact family — other children present

3.9%

Other couple — children only

3.3%

Source: ABS Census 2021 G31 — Family Blending by SAL

Seaham Crime Statistics

Reported offences in 2025-26 — 5 total

Theft

Assault

Other Against Person

Other Against Property

Offence trend by year:

2020

2021

2022

2023

2024

2025

Source: NSW BOCSAR — bocsar.nsw.gov.au

Seaham Schools

schools nearby

government

990

avg ICSEA score

156

total students

Seaham Public School Government

Primary · K-6 · 156 students

990

ICSEA

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

View all schools in Seaham with map →

Seaham Rent Prices & Affordability

16%

of income

Affordable

Household Income $2,312/wk

Median Rent $360/wk

Rent-to-Income 15.6%

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

If you earn X in Seaham

Your weekly income

≈ $10,019/month

Median rent $360/wk

Left after rent $1,952/wk

Rent share 15.6%

Cheaper alternatives with similar incomes

Nyngan

Income: $770/wk Rent: $200/wk Save: $160/wk

Yoogali

Income: $871/wk Rent: $300/wk Save: $60/wk

South Albury

Income: $775/wk Rent: $200/wk Save: $160/wk

Tomerong

Income: $772/wk Rent: $300/wk Save: $60/wk

Avondale (NSW)

Income: $725/wk Rent: $300/wk Save: $60/wk

Coleambally

Income: $841/wk Rent: $180/wk Save: $180/wk

Yenda (NSW)

Income: $821/wk Rent: $250/wk Save: $110/wk

Hanwood

Income: $825/wk Rent: $275/wk Save: $85/wk

Seaham vs State & National Average

Nearby Suburbs in NSW

Banksmeadow

Pop: 508 Income: $1,353/wk Rent: $620/wk

Tabulam

Pop: 508 Income: $405/wk Rent: $138/wk

Duffys Forest

Pop: 509 Income: $1,223/wk Rent: $625/wk

Pearl Beach

Pop: 510 Income: $872/wk Rent: $488/wk

Tarago

Pop: 510 Income: $934/wk Rent: $400/wk

Werri Beach

Pop: 510 Income: $873/wk Rent: $480/wk

Compare Seaham

Seaham vs Banksmeadow →Seaham vs Tabulam →Seaham vs Duffys Forest →Seaham vs Pearl Beach →

Frequently Asked Questions About Seaham

What is the population of Seaham NSW?

The population of Seaham NSW is 1,011 according to the ABS Census 2021.The suburb has a population density of 26.2 people per km².Seaham is ranked #3,964 out of 14,663 suburbs by population.

What is the median income in Seaham?

The median personal income in Seaham NSW is $839 per week, or $43,628 per year.The median household income is $2,312 per week.Family income is $2,454 per week.Seaham is ranked #2,970 by income out of 14,663 Australian suburbs.

How much is rent in Seaham?

Median rent in Seaham NSW is $360 per week ($1,560 per month).Rent represents 15.6% of household income, which is considered affordable.Seaham ranks #2,908 out of 14,663 suburbs by rent.

What are mortgage repayments in Seaham?

The median monthly mortgage repayment in Seaham NSW is $2,149. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seaham?

The median age in Seaham NSW is 41 years.This is older than the national median age of 38 years.

Is Seaham a good suburb to live in?

Seaham is a suburb in New South Wales with a population of 1,011.The median income is $839/wk, which is above the NSW average of $781/wk.Rent affordability is rated as affordable (15.6% of household income). See the full suburb profile above for detailed statistics.

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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: 13525. All dollar figures in AUD.