Mardi, NSW: suburb profile

The population of Mardi NSW is 3,598 according to the 2021 Census. The median personal income in Mardi is $790 per week ($41,080 per year). Median rent in Mardi is $440 per week ($1,907 per month). Mardi has a median age of 37 years, younger than the national median of 38. Mardi has a population density of 379 people per km².

The most common overseas birthplace in Mardi is England. The most common religion is No religion (35.8% of residents). After English, the most spoken language is Spanish. The median monthly mortgage repayment in Mardi is $1,913.

There were 47 recorded offences in Mardi in 2025-26, a rate of 13 offences per 1,000 people. The most common offence category was theft (21 offences).

Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.

Mardi Map

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Mardi Population

3,598 residents at the 2021 Census.

Mardi Median Income & Rent

Median Income

$790/wk

$41,080 per year

Ranked 3,745 of 14,663

Median Rent

$440/wk

$1,907 per month

Ranked 1,252 of 14,663

Median Age

37years

1 years younger than the national median

Mortgage

$1,913/mo

Avg household size: 2.8 · 0.8 per bedroom

Mardi Demographics

Gender Split

Male 47.6% (1,710) Female 52.4% (1,885)

Population Density

379

people per km²

3,598 people · 9.5 km²

Households

2.8

Avg household size

0.8

Persons per bedroom

$2,157

Family income/wk

Mardi 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 and Locality (SAL)

Mardi Home Ownership

Of owner-occupied homes in Mardi, 41.8% are owned outright and 58.2% have a mortgage.

Owned outright

41.8%

Owned with mortgage

58.2%

Rented homes are not included in this breakdown.

Source: ABS Census 2021, Suburb and Locality (SAL)

Most common overseas birthplaces

England
India
China
Egypt
Chile
Hong Kong

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

Mardi Religion

No religion

35.8%

Catholic

22.2%

Anglican

15.6%

Not stated

5.5%

Christian (other)

3.4%

Baptist

2.4%

Presbyterian and Reformed

1.9%

Hinduism

1.8%

Source: ABS Census 2021, G14 Religion by SAL

Mardi Education Level

Year 12 or equivalent

58.5%

Year 10 or equivalent

29.0%

Year 9 or equivalent

6.4%

Year 11 or equivalent

6.0%

Shares are of people whose highest year of school is Year 9 to 12 only. Source: ABS Census 2021, G16 Highest Year of School by SAL

Most common languages at home other than English

Spanish
Mandarin
Vietnamese
Korean
Cantonese
Hindi

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

Mardi Employment

Employed full-time

39.0% 972 people

Employed part-time

22.0% 548 people

Unemployed

2.9% 72 people

Not in labour force

36.2% 903 people

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

Mardi Qualifications

Certificate III/IV

38.6%

Bachelor Degree

27.7%

Advanced Diploma/Diploma

20.9%

Postgraduate Degree

5.9%

Certificate I/II

3.7%

Graduate Diploma/Certificate

3.3%

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

Mardi Occupation

Professionals

26.6%

Technicians & Trade Workers

16.0%

Clerical & Administrative

14.4%

Community & Personal Service

13.9%

Managers

12.7%

Sales Workers

6.4%

Labourers

5.3%

Machinery Operators & Drivers

4.8%

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

Mardi Field of Study

Management & Commerce

26.5%

Society & Culture

14.7%

Engineering

12.3%

Health

11.1%

Education

9.4%

Architecture & Building

6.9%

Food, Hospitality & Personal Services

6.5%

Information Technology

4.2%

Creative Arts

3.8%

Agriculture & Environment

2.5%

Natural & Physical Sciences

2.2%

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

Mardi Dwelling Types

Separate house

80.0%

Semi-detached (2+ storey)

10.1%

Semi-detached (1 storey)

9.9%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Mardi Weekly Household Income

Nil/Negative/wk

1.9%

$1-$149/wk

0.4%

$150-$299/wk

0.9%

$300-$399/wk

2.0%

$400-$499/wk

4.6%

$500-$649/wk

4.3%

$650-$799/wk

6.0%

$800-$999/wk

5.0%

$1,000-$1,249/wk

6.6%

$1,250-$1,499/wk

7.5%

$1,500-$1,749/wk

5.5%

$1,750-$1,999/wk

5.9%

$2,000-$2,499/wk

16.1%

$2,500-$2,999/wk

9.0%

$3,000-$3,499/wk

7.4%

$3,500-$3,999/wk

4.9%

$4,000+/wk

11.9%

Source: ABS Census 2021, G33 Household Income by SAL

Mardi Marital Status

Married

46.8% 1,331

Separated

4.1% 118

Divorced

8.9% 253

Widowed

4.7% 134

Never married

35.4% 1,008

Source: ABS Census 2021, G05 Marital Status by SAL

Mardi Ancestry

English

41.3%

Australian

37.4%

Irish

10.8%

Scottish

10.3%

Australian Aboriginal

4.3%

German

3.8%

Italian

3.1%

Indian

2.6%

Chinese

2.5%

Filipino

1.9%

Dutch

1.2%

Shares are of the suburb population. People can report up to two ancestries, so shares add to more than 100%. Source: ABS Census 2021, G08 Ancestry by SAL

Mardi School & University Attendance

Primary — Government

32.6%

Secondary — Government

17.1%

Vocational Education

13.2%

Secondary — Catholic

11.2%

Pre-school

10.4%

Primary — Other Non-Govt

5.9%

Primary — Catholic

5.8%

Secondary — Other Non-Govt

3.7%

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

Mardi Need for Assistance

Needs assistance

6.6%

No need for assistance

93.4%

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

Mardi Volunteering

Volunteer

12.2% 331

Not a volunteer

87.8% 2,374

Source: ABS Census 2021, G23 Voluntary Work by SAL

Mardi Monthly Mortgage Repayments

$0-$299/mo

6.3%

$300-$449/mo

1.4%

$450-$599/mo

2.0%

$600-$799/mo

2.0%

$800-$999/mo

4.1%

$1,000-$1,399/mo

9.9%

$1,400-$1,799/mo

21.2%

$1,800-$2,399/mo

28.4%

$2,400-$2,999/mo

15.3%

$3,000-$3,999/mo

9.3%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Mardi How People Get to Work

Car (driver)

67.6%

Did not go to work

22.1%

Car (passenger)

4.3%

Walked only

2.2%

Train

1.5%

Other

0.9%

Truck

0.6%

Motorbike/Scooter

0.5%

Bus

0.4%

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

Mardi Car Ownership

0 vehicles

3.7%

1 vehicle

33.1%

2 vehicles

39.0%

3 vehicles

15.0%

4+ vehicles

9.2%

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

Mardi Number of Bedrooms

1 bedroom

1.2%

2 bedrooms

3.5%

3 bedrooms

36.7%

4 bedrooms

49.5%

5 bedrooms

7.2%

6+ bedrooms

2.0%

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

Mardi Population Mobility

14.3%

moved in the last year

41.0%

moved in the last 5 years

4.0%

unemployment rate (Census)

63.9%

labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Mardi Indigenous Population

4.3%

Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Mardi Long-term Health Conditions

Mental health

418

Asthma

149

Arthritis

120

Diabetes

Heart disease

Lung condition

Kidney disease

Cancer

Stroke

Dementia

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

Mardi Personal Weekly Income Distribution

$0 or less/wk

12.1%

$1-$149/wk

4.5%

$150-$299/wk

5.4%

$300-$399/wk

3.1%

$400-$499/wk

2.7%

$500-$649/wk

3.6%

$650-$799/wk

10.7%

$800-$999/wk

11.7%

$1,000-$1,249/wk

10.7%

$1,250-$1,499/wk

8.6%

$1,500-$1,749/wk

7.7%

$1,750-$1,999/wk

5.9%

$2,000-$2,999/wk

9.8%

$3,000-$3,499/wk

1.3%

$3,500+/wk

2.4%

Source: ABS Census 2021, G17 Personal Income by SAL

Mardi Family Structure

Couple — children under 15

42.9%

Couple — no children

20.3%

Couple — no children under 15

17.8%

One parent — children under 15

9.7%

One parent — no children under 15

9.4%

Source: ABS Census 2021, G29 Family Composition by SAL

Mardi Military Service

Current ADF — Regular

0.2% 5

Current ADF — Reserves

0.2% 6

Previously served

2.5% 69

Never served

97.1% 2,642

Source: ABS Census 2021, G22 ADF Service by SAL

Mardi Unpaid Carers

Provided unpaid assistance

14.8% 400

Did not provide

85.2% 2,300

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Mardi Children Ever Born

No children

30.5%

1 child

12.9%

2 children

31.5%

3 children

16.9%

4 children

6.5%

5+ children

1.7%

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

Mardi When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

200

2011–2015

2016

2017

2018

2019

2020

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

Mardi Unpaid Domestic Work

Less than 5 hours

20.9%

5–14 hours

30.0%

15–29 hours

13.8%

30+ hours

9.9%

Did not do domestic work

25.4%

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

Mardi Household Size

1 person

18.2%

2 persons

31.3%

3 persons

18.2%

4 persons

20.5%

5 persons

8.9%

6+ persons

2.9%

Source: ABS Census 2021, G35 Household Size by SAL

Mardi Where Residents Moved From

Same address

2,930

Moved from NSW

382

Moved — same area (SA2)

Moved from overseas

Moved from VIC

Moved from QLD

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

Mardi Family Blending

Intact family — no other children

83.1%

Step family — no other children

10.1%

Blended family — no other children

4.7%

Other couple — children only

1.5%

Intact family — other children present

0.6%

Source: ABS Census 2021, G31 Family Blending by SAL

Mardi Crime Statistics

47 reported offences in 2025-26, by category.

Theft

Other Against Property

Assault

Property Damage

Other Against Person

Sexual Offences

Total offences by year

2020

2021

2022

2023

2024

2025

Source: NSW BOCSAR (bocsar.nsw.gov.au).

Mardi Schools

schools nearby

government

999

avg ICSEA score

3,783

total students

Wyong Christian Community School Independent

Combined · K-12 · 904 students

1057

ICSEA

St Peter's Catholic College Catholic

Secondary · 7-12 · 1,078 students

1045

ICSEA

St Cecilia's Catholic Primary School Catholic

Primary · K-6 · 335 students

1022

ICSEA

Tuggerah Public School Government

Primary · K-6 · 359 students

993

ICSEA

Wyong High School Government

Secondary · 7-12 · 674 students

946

ICSEA

Wyong Public School Government

Primary · K-6 · 433 students

931

ICSEA

Aspect Central Coast School, Tuggerah Independent

Secondary

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

All schools near Mardi, with a map

Mardi Rent Prices & Affordability

23% of median household income goes on median rent

Marks at 25% and 35%. Band: affordable.

Household income $1,955/wk

Median rent $440/wk

Rent to income 22.5%

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

Median rent in Mardi against your income

Your weekly income

About $8,472 a month

Median rent $440/wk

Left after rent $1,515/wk

Rent share 22.5%

Cheaper alternatives with similar incomes

Springdale Heights

Income: $656/wk Rent: $253/wk $187/wk less rent

Nowra Hill

Income: $838/wk Rent: $285/wk $155/wk less rent

Mount Saint Thomas

Income: $819/wk Rent: $300/wk $140/wk less rent

Gol Gol

Income: $932/wk Rent: $315/wk $125/wk less rent

Weston (NSW)

Income: $635/wk Rent: $320/wk $120/wk less rent

Abermain

Income: $667/wk Rent: $320/wk $120/wk less rent

Windradyne

Income: $843/wk Rent: $350/wk $90/wk less rent

Teralba

Income: $843/wk Rent: $363/wk $77/wk less rent

Mardi vs the typical NSW suburb

The median personal income in Mardi is $790 a week, 3% above the typical NSW suburb ($765). That ranks 984th of 2,150 NSW suburbs with 200 or more residents. Median rent is $440 a week, $55 more than the typical NSW suburb. Rent takes 22.5% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 37, 6 years younger than in the typical NSW suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
Measure	Mardi	Typical NSW	Typical Australia
Personal income	$790/wk	$765/wk	$766/wk
Household income	$1,955/wk	$1,704/wk	$1,637/wk
Rent	$440/wk	$385/wk	$330/wk
Mortgage repayment	$1,913/mo	$1,965/mo	$1,733/mo
Median age	37	43	42
Rent share of household income	22.5%	22.6%	20.3%

Suburbs near Mardi

The closest suburb to Mardi is Wyong, 3.2 km away.

Wyong

3.2 km away · income $608/wk · rent $350/wk

Watanobbi

3.6 km away · income $639/wk · rent $380/wk

Chittaway Bay

5.7 km away · income $757/wk · rent $380/wk

Berkeley Vale

5.9 km away · income $790/wk · rent $420/wk

Wadalba

6.4 km away · income $805/wk · rent $480/wk

Glenning Valley

6.8 km away · income $887/wk · rent $460/wk

Compare Mardi

Frequently Asked Questions About Mardi

What is the population of Mardi NSW?

The population of Mardi NSW is 3,598 according to the ABS Census 2021.The suburb has a population density of 379 people per km².Mardi is ranked #2,101 out of 14,663 suburbs by population.

What is the median income in Mardi?

The median personal income in Mardi NSW is $790 per week, or $41,080 per year.The median household income is $1,955 per week.Family income is $2,157 per week.Mardi is ranked #3,745 by income out of 14,663 Australian suburbs.

How much is rent in Mardi?

Median rent in Mardi NSW is $440 per week ($1,907 per month).Rent represents 22.5% of household income, which is considered affordable.Mardi ranks #1,252 out of 14,663 suburbs by rent.

What are mortgage repayments in Mardi?

The median monthly mortgage repayment in Mardi NSW is $1,913. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Mardi?

The median age in Mardi NSW is 37 years.This is younger than the national median age of 38 years.

Is Mardi a good suburb to live in?

Mardi is a suburb in New South Wales with a population of 3,598.The median income is $790/wk, which is above the typical NSW suburb ($765/wk).Rent affordability is rated as affordable (22.5% of household income). See the full suburb profile above for detailed statistics.

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Australian Average Salary Australian House Prices Sydney Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 12498. All dollar figures in AUD.