New South Wales · Suburb Profile

Bilgola Plateau NSW — Suburb Profile

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

The population of Bilgola Plateau NSW is 3,650 according to the 2021 Census. The median personal income in Bilgola Plateau is $1,062 per week ($55,224 per year). Median rent in Bilgola Plateau is $895 per week ($3,878 per month). Bilgola Plateau has a median age of 46 years, older than the national median of 38. Bilgola Plateau has a population density of 2621.7 people per km².

The most common overseas birthplace in Bilgola Plateau is England. The most common religion is No Religion (51% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Bilgola Plateau is $3,315.

There were 8 recorded offences in Bilgola Plateau in 2025-26, a rate of 2 offences per 1,000 people. The most common offence category was theft (2 offences).

Bilgola Plateau Map

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Bilgola Plateau Population

residents (Census 2021)

Bilgola Plateau Median Income & Rent

💰

Median Income

$1,062/wk

$55,224 per year

#861 of 14,663

🏠

Median Rent

$895/wk

$3,878 per month

#34 of 14,663

👤

Median Age

46years

8 years older than national median

🏡

Mortgage

$3,315/mo

Avg household size: 2.9 · 0.8 per bedroom

Bilgola Plateau Demographics

Gender Split

Male 49.4% (1,804) Female 50.6% (1,848)

Population Density

2621.7

people per km²

3,650 people · 1.4 km²

Households

2.9

Avg household size

0.8

Persons per bedroom

$3,003

Family income/wk

Bilgola Plateau 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)

Bilgola Plateau Housing Tenure

🏠

Owned outright

47.0% 513 dwellings

🏦

Owned with mortgage

53.0% 578 dwellings

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

Bilgola Plateau Country of Birth

Australia

81.2%

England

14.4%

Germany

1.6%

Canada

1.0%

India

0.4%

Chile

0.4%

Fiji

0.3%

France

0.3%

China

0.2%

Egypt

0.2%

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

Bilgola Plateau Religion

No Religion

51.4%

Catholic

18.4%

Anglican

16.9%

Not stated

5.7%

Uniting Church

2.5%

Christian (other)

1.9%

Christinty Prsbytrin Refrmd

1.7%

Eastern Orthodox

1.5%

Source: ABS Census 2021 G14 — Religion by SAL

Bilgola Plateau Education Level

Year 12 or equivalent

77.7%

Year 10 or equivalent

15.9%

Year 11 or equivalent

4.5%

Year 9 or equivalent

1.9%

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

Bilgola Plateau Languages Spoken at Home

Other

27.5%

German

21.3%

French

18.8%

Afrikaans

8.8%

Italian

8.8%

Russian

6.3%

Persian ED

5.0%

Cantonese

3.8%

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

Bilgola Plateau Employment

💼

Employed full-time

35.7% 955 people

⏰

Employed part-time

25.9% 691 people

🔍

Unemployed

2.3% 61 people

🏠

Not in labour force

36.1% 966 people

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

Bilgola Plateau Qualifications

Bachelor Degree

38.4%

Advanced Diploma/Diploma

21.1%

Certificate III/IV

18.8%

Postgraduate Degree

14.2%

Graduate Diploma/Certificate

6.0%

Certificate I/II

1.5%

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

Bilgola Plateau Occupation

Professionals

39.7%

Managers

24.0%

Technicians & Trade Workers

11.3%

Clerical & Administrative

9.7%

Sales Workers

6.2%

Community & Personal Service

6.1%

Machinery Operators & Drivers

1.5%

Labourers

1.5%

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

Bilgola Plateau Field of Study

Management & Commerce

26.3%

Society & Culture

12.6%

Engineering

11.1%

Health

9.8%

Creative Arts

9.8%

Architecture & Building

9.3%

Education

9.0%

Natural & Physical Sciences

3.8%

Food, Hospitality & Personal Services

3.0%

Information Technology

2.9%

Agriculture & Environment

2.5%

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

Bilgola Plateau Dwelling Types

Separate house

100.0%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Bilgola Plateau Weekly Household Income

Nil/Negative/wk

1.6%

$1-$149/wk

0.6%

$150-$299/wk

0.9%

$300-$399/wk

0.7%

$400-$499/wk

2.2%

$500-$649/wk

2.1%

$650-$799/wk

3.4%

$800-$999/wk

2.8%

$1,000-$1,249/wk

5.7%

$1,250-$1,499/wk

6.0%

$1,500-$1,749/wk

4.9%

$1,750-$1,999/wk

4.3%

$2,000-$2,499/wk

9.2%

$2,500-$2,999/wk

8.4%

$3,000-$3,499/wk

7.4%

$3,500-$3,999/wk

4.8%

$4,000+/wk

35.0%

Source: ABS Census 2021 G33 — Household Income by SAL

Bilgola Plateau Marital Status

💍

Married

60.3% 1,758

↔️

Separated

1.9% 54

📋

Divorced

8.1% 235

🕊️

Widowed

3.7% 107

👤

Never married

26.1% 762

Source: ABS Census 2021 G05 — Marital Status by SAL

Bilgola Plateau Ancestry

English

36.6%

Australian

23.6%

Irish

10.1%

Scottish

9.5%

Other

7.4%

German

3.8%

Italian

2.5%

Dutch

1.7%

French

1.3%

South African

1.2%

New Zealander

1.1%

Greek

1.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

Bilgola Plateau School & University Attendance

Primary — Government

39.6%

Secondary — Government

23.3%

Pre-school

9.4%

Vocational Education

8.9%

Secondary — Other Non-Govt

7.6%

Secondary — Catholic

6.0%

Primary — Other Non-Govt

2.8%

Primary — Catholic

2.5%

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

Bilgola Plateau Need for Assistance

♿

Needs assistance

2.4% 171

✅

No need for assistance

97.6% 6,934

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

Bilgola Plateau Volunteering

🤝

Volunteer

18.9% 538

—

Not a volunteer

81.1% 2,305

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Bilgola Plateau Monthly Mortgage Repayments

$0-$299/mo

11.1%

$300-$449/mo

1.5%

$450-$599/mo

0.9%

$600-$799/mo

1.5%

$800-$999/mo

4.8%

$1,000-$1,399/mo

10.5%

$1,400-$1,799/mo

9.6%

$1,800-$2,399/mo

18.6%

$2,400-$2,999/mo

12.9%

$3,000-$3,999/mo

28.7%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Bilgola Plateau How People Get to Work

Car (driver)

66.0%

Did not go to work

24.4%

Car (passenger)

3.7%

Walked only

2.2%

Motorbike/Scooter

1.4%

Bus

1.2%

Truck

0.9%

Other

0.3%

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

Bilgola Plateau Car Ownership

0 vehicles

1.2%

1 vehicle

21.6%

2 vehicles

50.5%

3 vehicles

18.1%

4+ vehicles

8.7%

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

Bilgola Plateau Number of Bedrooms

1 bedroom

1.2%

2 bedrooms

5.1%

3 bedrooms

32.4%

4 bedrooms

44.9%

5 bedrooms

14.0%

6+ bedrooms

2.4%

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

Bilgola Plateau Population Mobility

9.8%

moved in the last year

31.0%

moved in the last 5 years

3.3%

unemployment rate (Census)

64.5%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Bilgola Plateau Indigenous Population

0.3%

Aboriginal & Torres Strait Islander

Indigenous residents

7,131

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Bilgola Plateau Long-term Health Conditions

Mental health

213

Asthma

111

Arthritis

109

Heart disease

103

Cancer

Diabetes

Lung condition

Stroke

Kidney disease

Dementia

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

Bilgola Plateau Personal Weekly Income Distribution

$0 or less/wk

10.0%

$1-$149/wk

4.9%

$150-$299/wk

4.3%

$300-$399/wk

2.4%

$400-$499/wk

2.1%

$500-$649/wk

2.6%

$650-$799/wk

7.8%

$800-$999/wk

7.5%

$1,000-$1,249/wk

10.4%

$1,250-$1,499/wk

7.3%

$1,500-$1,749/wk

6.7%

$1,750-$1,999/wk

5.9%

$2,000-$2,999/wk

11.6%

$3,000-$3,499/wk

4.5%

$3,500+/wk

12.0%

Source: ABS Census 2021 G17 — Personal Income by SAL

Bilgola Plateau Family Structure

Couple — children under 15

44.3%

Couple — no children

27.1%

Couple — no children under 15

20.4%

One parent — no children under 15

4.1%

One parent — children under 15

4.1%

Source: ABS Census 2021 G29 — Family Composition by SAL

Bilgola Plateau Military Service

🏅

Previously served

2.0% 57

👤

Never served

98.0% 2,787

Source: ABS Census 2021 G22 — ADF Service by SAL

Bilgola Plateau Unpaid Carers

🤲

Provided unpaid assistance

11.7% 331

—

Did not provide

88.3% 2,497

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Bilgola Plateau Children Ever Born

No children

27.3%

1 child

11.5%

2 children

39.6%

3 children

17.1%

4 children

3.7%

5+ children

0.8%

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

Bilgola Plateau When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

103

1981–1990

131

1991–2000

172

2001–2010

253

2011–2015

2016

2017

2018

2019

2020

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

Bilgola Plateau Unpaid Domestic Work

Less than 5 hours

22.2%

5–14 hours

34.2%

15–29 hours

17.3%

30+ hours

11.2%

Did not do domestic work

15.1%

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

Bilgola Plateau Household Size

1 person

12.6%

2 persons

35.4%

3 persons

16.0%

4 persons

23.6%

5 persons

9.7%

6+ persons

2.6%

Source: ABS Census 2021 G35 — Household Size by SAL

Bilgola Plateau Where Residents Moved From

Same address

3,205

Moved from NSW

265

Moved — same area (SA2)

Moved from overseas

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

Bilgola Plateau Family Blending

Intact family — no other children

87.4%

Step family — no other children

8.8%

Blended family — no other children

2.5%

Intact family — other children present

0.7%

Other couple — children only

0.5%

Source: ABS Census 2021 G31 — Family Blending by SAL

Bilgola Plateau Crime Statistics

Reported offences in 2025-26 — 8 total

Theft

Property Damage

Other Against Property

Assault

Domestic Violence

Offence trend by year:

2020

2021

2022

2023

2024

2025

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

Bilgola Plateau Schools

schools nearby

government

1097

avg ICSEA score

3,516

total students

Bilgola Plateau Public School Government

Primary · K-6 · 344 students

1121

ICSEA

Barrenjoey Montessori School Independent

Primary · K-6 · 50 students

1115

ICSEA

Maria Regina Catholic Primary School Catholic

Primary · K-6 · 154 students

1102

ICSEA

Avalon Public School Government

Primary · K-6 · 666 students

1094

ICSEA

Newport Public School Government

Primary · K-6 · 556 students

1093

ICSEA

Barrenjoey High School Government

Secondary · 7-12 · 865 students

1081

ICSEA

Pittwater High School Government

Secondary · 7-12 · 881 students

1071

ICSEA

St Luke's Grammar School, Bayview Campus Independent

Primary

Aspect Vern Barnett School, Mona Vale Independent

Primary

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

View all schools in Bilgola Plateau with map →

Bilgola Plateau Rent Prices & Affordability

31%

of income

Moderate

Household Income $2,856/wk

Median Rent $895/wk

Rent-to-Income 31.3%

Rent is between 25–35% of household income — moderate housing costs.

If you earn X in Bilgola Plateau

Your weekly income

≈ $12,376/month

Median rent $895/wk

Left after rent $1,961/wk

Rent share 31.3%

Cheaper alternatives with similar incomes

Carss Park

Income: $913/wk Rent: $288/wk Save: $607/wk

Kurrajong

Income: $894/wk Rent: $430/wk Save: $465/wk

Sapphire Beach

Income: $955/wk Rent: $475/wk Save: $420/wk

Arcadia (NSW)

Income: $920/wk Rent: $485/wk Save: $410/wk

Valentine

Income: $904/wk Rent: $490/wk Save: $405/wk

Galston

Income: $875/wk Rent: $495/wk Save: $400/wk

Haberfield

Income: $996/wk Rent: $530/wk Save: $365/wk

Middle Dural

Income: $990/wk Rent: $650/wk Save: $245/wk

Bilgola Plateau vs State & National Average

Nearby Suburbs in NSW

Merriwa (NSW)

Pop: 1,825 Income: $593/wk Rent: $245/wk

Tullimbar

Pop: 1,840 Income: $988/wk Rent: $520/wk

Springvale (NSW)

Pop: 1,851 Income: $1,148/wk Rent: $420/wk

Marks Point

Pop: 1,861 Income: $659/wk Rent: $318/wk

King Creek

Pop: 1,863 Income: $721/wk Rent: $410/wk

Willoughby East

Pop: 1,864 Income: $1,155/wk Rent: $873/wk

Compare Bilgola Plateau

Bilgola Plateau vs Merriwa (NSW) →Bilgola Plateau vs Tullimbar →Bilgola Plateau vs Springvale (NSW) →Bilgola Plateau vs Marks Point →

Frequently Asked Questions About Bilgola Plateau

What is the population of Bilgola Plateau NSW?

The population of Bilgola Plateau NSW is 3,650 according to the ABS Census 2021.The suburb has a population density of 2621.7 people per km².Bilgola Plateau is ranked #2,069 out of 14,663 suburbs by population.

What is the median income in Bilgola Plateau?

The median personal income in Bilgola Plateau NSW is $1,062 per week, or $55,224 per year.The median household income is $2,856 per week.Family income is $3,003 per week.Bilgola Plateau is ranked #861 by income out of 14,663 Australian suburbs.

How much is rent in Bilgola Plateau?

Median rent in Bilgola Plateau NSW is $895 per week ($3,878 per month).Rent represents 31.3% of household income, which is considered moderate.Bilgola Plateau ranks #34 out of 14,663 suburbs by rent.

What are mortgage repayments in Bilgola Plateau?

The median monthly mortgage repayment in Bilgola Plateau NSW is $3,315. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Bilgola Plateau?

The median age in Bilgola Plateau NSW is 46 years.This is older than the national median age of 38 years.

Is Bilgola Plateau a good suburb to live in?

Bilgola Plateau is a suburb in New South Wales with a population of 3,650.The median income is $1,062/wk, which is above the NSW average of $781/wk.Rent affordability is rated as moderate (31.3% 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: 10350. All dollar figures in AUD.