New South Wales · Suburb Profile

Mount Saint Thomas NSW — Suburb Profile

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

The population of Mount Saint Thomas NSW is 1,449 according to the 2021 Census. The median personal income in Mount Saint Thomas is $819 per week ($42,588 per year). Median rent in Mount Saint Thomas is $300 per week ($1,300 per month). Mount Saint Thomas has a median age of 37 years, younger than the national median of 38. Mount Saint Thomas has a population density of 2685.8 people per km².

The most common overseas birthplace in Mount Saint Thomas is England. The most common religion is No Religion (45% of residents). After English, the most spoken language is Macedon. The median monthly mortgage repayment in Mount Saint Thomas is $2,167.

There were 11 recorded offences in Mount Saint Thomas in 2025-26, a rate of 8 offences per 1,000 people. The most common offence category was theft (7 offences).

Mount Saint Thomas Map

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Mount Saint Thomas Population

residents (Census 2021)

Mount Saint Thomas Median Income & Rent

💰

Median Income

$819/wk

$42,588 per year

#3271 of 14,663

🏠

Median Rent

$300/wk

$1,300 per month

#4529 of 14,663

👤

Median Age

37years

1 years younger than national median

🏡

Mortgage

$2,167/mo

Avg household size: 2.6 · 0.8 per bedroom

Mount Saint Thomas Demographics

Gender Split

Male 48.1% (697) Female 51.9% (752)

Population Density

2685.8

people per km²

1,449 people · 0.5 km²

Households

2.6

Avg household size

0.8

Persons per bedroom

$2,303

Family income/wk

Mount Saint Thomas 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)

Mount Saint Thomas Housing Tenure

🏠

Owned outright

40.0% 158 dwellings

🏦

Owned with mortgage

60.0% 237 dwellings

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

Mount Saint Thomas Country of Birth

Australia

91.0%

England

4.3%

Chile

0.9%

Croatia

0.9%

Fiji

0.9%

France

0.5%

Germany

0.5%

India

0.5%

Indonesia

0.5%

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

Mount Saint Thomas Religion

No Religion

45.3%

Catholic

22.0%

Anglican

11.3%

Eastern Orthodox

7.0%

Not stated

5.5%

Christian (other)

3.7%

Christinty Prsbytrin Refrmd

3.1%

Uniting Church

2.2%

Source: ABS Census 2021 G14 — Religion by SAL

Mount Saint Thomas Education Level

Year 12 or equivalent

61.2%

Year 10 or equivalent

26.3%

Year 11 or equivalent

7.7%

Year 9 or equivalent

4.8%

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

Mount Saint Thomas Languages Spoken at Home

Macedon

31.7%

Other

26.9%

Spanish

11.5%

Italian

10.6%

Serbian

10.6%

Arabic

2.9%

Croatian

2.9%

Vietnamese

2.9%

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

Mount Saint Thomas Employment

💼

Employed full-time

38.7% 407 people

⏰

Employed part-time

20.3% 214 people

🔍

Unemployed

2.9% 31 people

🏠

Not in labour force

38.0% 400 people

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

Mount Saint Thomas Qualifications

Certificate III/IV

36.1%

Bachelor Degree

28.6%

Advanced Diploma/Diploma

17.6%

Postgraduate Degree

10.6%

Graduate Diploma/Certificate

4.1%

Certificate I/II

3.1%

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

Mount Saint Thomas Occupation

Professionals

36.0%

Technicians & Trade Workers

14.9%

Clerical & Administrative

13.9%

Managers

12.6%

Community & Personal Service

12.4%

Machinery Operators & Drivers

5.3%

Sales Workers

2.4%

Labourers

2.4%

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

Mount Saint Thomas Field of Study

Engineering

18.9%

Management & Commerce

18.2%

Society & Culture

16.2%

Health

12.3%

Education

11.9%

Creative Arts

6.6%

Architecture & Building

6.3%

Food, Hospitality & Personal Services

4.7%

Agriculture & Environment

1.8%

Information Technology

1.6%

Natural & Physical Sciences

1.6%

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

Mount Saint Thomas Dwelling Types

Separate house

93.5%

Semi-detached (2+ storey)

5.0%

Semi-detached (1 storey)

1.5%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Mount Saint Thomas Weekly Household Income

Nil/Negative/wk

0.6%

$1-$149/wk

1.4%

$150-$299/wk

2.1%

$300-$399/wk

3.5%

$400-$499/wk

5.8%

$500-$649/wk

4.5%

$650-$799/wk

5.0%

$800-$999/wk

7.6%

$1,000-$1,249/wk

7.2%

$1,250-$1,499/wk

6.4%

$1,500-$1,749/wk

4.7%

$1,750-$1,999/wk

5.0%

$2,000-$2,499/wk

10.1%

$2,500-$2,999/wk

9.3%

$3,000-$3,499/wk

9.9%

$3,500-$3,999/wk

5.2%

$4,000+/wk

11.8%

Source: ABS Census 2021 G33 — Household Income by SAL

Mount Saint Thomas Marital Status

💍

Married

44.2% 514

↔️

Separated

1.8% 21

📋

Divorced

9.9% 115

🕊️

Widowed

4.0% 47

👤

Never married

40.0% 465

Source: ABS Census 2021 G05 — Marital Status by SAL

Mount Saint Thomas Ancestry

Australian

29.0%

English

26.7%

Irish

9.8%

Other

9.1%

Scottish

8.1%

Macedonian

4.3%

Italian

4.0%

German

3.5%

Aboriginal Australianralian

2.2%

Dutch

1.2%

Greek

1.1%

Serbian

1.0%

Source: ABS Census 2021 G08 — Ancestry by SAL

Mount Saint Thomas School & University Attendance

Primary — Government

31.9%

Secondary — Government

19.5%

Vocational Education

14.4%

Pre-school

13.8%

Secondary — Catholic

8.7%

Secondary — Other Non-Govt

5.7%

Primary — Other Non-Govt

3.0%

Primary — Catholic

3.0%

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

Mount Saint Thomas Need for Assistance

♿

Needs assistance

6.1% 172

✅

No need for assistance

93.9% 2,631

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

Mount Saint Thomas Volunteering

🤝

Volunteer

12.0% 134

—

Not a volunteer

88.0% 979

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Mount Saint Thomas Monthly Mortgage Repayments

$0-$299/mo

1.8%

$300-$449/mo

2.2%

$600-$799/mo

3.1%

$800-$999/mo

3.9%

$1,000-$1,399/mo

7.9%

$1,400-$1,799/mo

15.8%

$1,800-$2,399/mo

30.3%

$2,400-$2,999/mo

20.2%

$3,000-$3,999/mo

14.9%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Mount Saint Thomas How People Get to Work

Car (driver)

72.0%

Did not go to work

20.1%

Car (passenger)

4.8%

Train

1.1%

Motorbike/Scooter

0.7%

Walked only

0.7%

Bus

0.7%

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

Mount Saint Thomas Car Ownership

0 vehicles

6.5%

1 vehicle

37.8%

2 vehicles

39.3%

3 vehicles

11.1%

4+ vehicles

5.4%

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

Mount Saint Thomas Number of Bedrooms

1 bedroom

0.6%

2 bedrooms

26.2%

3 bedrooms

51.2%

4 bedrooms

17.6%

5 bedrooms

4.5%

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

Mount Saint Thomas Population Mobility

11.5%

moved in the last year

31.8%

moved in the last 5 years

4.6%

unemployment rate (Census)

62.0%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Mount Saint Thomas Indigenous Population

3.0%

Aboriginal & Torres Strait Islander

Indigenous residents

2,723

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Mount Saint Thomas Long-term Health Conditions

Mental health

185

Asthma

Diabetes

Heart disease

Arthritis

Lung condition

Kidney disease

Stroke

Cancer

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

Mount Saint Thomas Personal Weekly Income Distribution

$0 or less/wk

7.5%

$1-$149/wk

5.3%

$150-$299/wk

6.1%

$300-$399/wk

5.1%

$400-$499/wk

3.3%

$500-$649/wk

3.0%

$650-$799/wk

8.9%

$800-$999/wk

10.5%

$1,000-$1,249/wk

10.0%

$1,250-$1,499/wk

8.6%

$1,500-$1,749/wk

9.0%

$1,750-$1,999/wk

7.0%

$2,000-$2,999/wk

11.5%

$3,000-$3,499/wk

3.0%

$3,500+/wk

1.3%

Source: ABS Census 2021 G17 — Personal Income by SAL

Mount Saint Thomas Family Structure

Couple — children under 15

45.9%

Couple — no children

23.8%

Couple — no children under 15

16.7%

One parent — no children under 15

8.0%

One parent — children under 15

5.7%

Source: ABS Census 2021 G29 — Family Composition by SAL

Mount Saint Thomas Military Service

🎖️

Current ADF — Regular

0.4% 4

🏅

Previously served

1.5% 17

👤

Never served

98.1% 1,098

Source: ABS Census 2021 G22 — ADF Service by SAL

Mount Saint Thomas Unpaid Carers

🤲

Provided unpaid assistance

15.4% 171

—

Did not provide

84.6% 939

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Mount Saint Thomas Children Ever Born

No children

33.9%

1 child

14.7%

2 children

28.7%

3 children

15.6%

4 children

7.1%

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

Mount Saint Thomas When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

2011–2015

2016

2017

2018

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

Mount Saint Thomas Unpaid Domestic Work

Less than 5 hours

20.0%

5–14 hours

31.0%

15–29 hours

15.7%

30+ hours

9.7%

Did not do domestic work

23.6%

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

Mount Saint Thomas Household Size

1 person

24.8%

2 persons

34.6%

3 persons

17.3%

4 persons

14.8%

5 persons

5.6%

6+ persons

2.9%

Source: ABS Census 2021 G35 — Household Size by SAL

Mount Saint Thomas Where Residents Moved From

Same address

1,225

Moved from NSW

104

Moved — same area (SA2)

Moved from VIC

Moved from TAS

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

Mount Saint Thomas Family Blending

Intact family — no other children

86.7%

Step family — no other children

11.2%

Other couple — children only

2.1%

Source: ABS Census 2021 G31 — Family Blending by SAL

Mount Saint Thomas Crime Statistics

Reported offences in 2025-26 — 11 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

Mount Saint Thomas Schools

schools nearby

government

1063

avg ICSEA score

8,472

total students

Smiths Hill High School Government

Secondary · 7-12 · 736 students

1186

ICSEA

The Illawarra Grammar School Independent

Combined · K-12 · 970 students

1159

ICSEA

St Mary Star of the Sea College Independent

Secondary · 7-12 · 1,128 students

1104

ICSEA

Keiraville Public School Government

Primary · K-6 · 297 students

1103

ICSEA

St Therese Catholic Primary School Catholic

Primary · K-6 · 368 students

1090

ICSEA

Wollongong Public School Government

Primary · K-6 · 579 students

1084

ICSEA

St Brigid's Catholic Primary School Catholic

Primary · K-6 · 175 students

1083

ICSEA

Edmund Rice College Independent

Secondary · 7-12 · 1,054 students

1083

ICSEA

Nareena Hills Public School Government

Primary · K-6 · 209 students

1080

ICSEA

Mount Keira Public School Government

Primary · K-6 · 91 students

1072

ICSEA

Mount St Thomas Public School Government

Primary · K-6 · 354 students

1070

ICSEA

Lindsay Park Public School Government

Primary · K-6 · 334 students

1068

ICSEA

Gwynneville Public School Government

Primary · K-6 · 271 students

1065

ICSEA

Figtree Heights Public School Government

Primary · K-6 · 181 students

1061

ICSEA

Figtree Public School Government

Primary · K-6 · 264 students

1028

ICSEA

Showing 15 of 21 schools

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

View all schools in Mount Saint Thomas with map →

Mount Saint Thomas Rent Prices & Affordability

16%

of income

Affordable

Household Income $1,835/wk

Median Rent $300/wk

Rent-to-Income 16.3%

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

If you earn X in Mount Saint Thomas

Your weekly income

≈ $7,952/month

Median rent $300/wk

Left after rent $1,535/wk

Rent share 16.3%

Cheaper alternatives with similar incomes

Springdale Heights

Income: $656/wk Rent: $253/wk Save: $47/wk

Nowra Hill

Income: $838/wk Rent: $285/wk Save: $15/wk

Wee Waa

Income: $689/wk Rent: $200/wk Save: $100/wk

Buronga

Income: $772/wk Rent: $203/wk Save: $97/wk

Hillston

Income: $852/wk Rent: $220/wk Save: $80/wk

Walgett

Income: $823/wk Rent: $175/wk Save: $125/wk

Bourke

Income: $860/wk Rent: $180/wk Save: $120/wk

Yenda (NSW)

Income: $821/wk Rent: $250/wk Save: $50/wk

Mount Saint Thomas vs State & National Average

Nearby Suburbs in NSW

Barrack Point

Pop: 725 Income: $783/wk Rent: $480/wk

Fountaindale

Pop: 726 Income: $851/wk Rent: $500/wk

Kentlyn

Pop: 726 Income: $733/wk Rent: $300/wk

Balmoral (Lake Macquarie - NSW)

Pop: 730 Income: $759/wk Rent: $380/wk

Fullerton Cove

Pop: 735 Income: $548/wk Rent: $300/wk

Wilcannia

Pop: 735 Income: $524/wk Rent: $155/wk

Compare Mount Saint Thomas

Mount Saint Thomas vs Barrack Point →Mount Saint Thomas vs Fountaindale →Mount Saint Thomas vs Kentlyn →Mount Saint Thomas vs Balmoral (Lake Macquarie - NSW) →

Frequently Asked Questions About Mount Saint Thomas

What is the population of Mount Saint Thomas NSW?

The population of Mount Saint Thomas NSW is 1,449 according to the ABS Census 2021.The suburb has a population density of 2685.8 people per km².Mount Saint Thomas is ranked #3,450 out of 14,663 suburbs by population.

What is the median income in Mount Saint Thomas?

The median personal income in Mount Saint Thomas NSW is $819 per week, or $42,588 per year.The median household income is $1,835 per week.Family income is $2,303 per week.Mount Saint Thomas is ranked #3,271 by income out of 14,663 Australian suburbs.

How much is rent in Mount Saint Thomas?

Median rent in Mount Saint Thomas NSW is $300 per week ($1,300 per month).Rent represents 16.3% of household income, which is considered affordable.Mount Saint Thomas ranks #4,529 out of 14,663 suburbs by rent.

What are mortgage repayments in Mount Saint Thomas?

The median monthly mortgage repayment in Mount Saint Thomas NSW is $2,167. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Mount Saint Thomas?

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

Is Mount Saint Thomas a good suburb to live in?

Mount Saint Thomas is a suburb in New South Wales with a population of 1,449.The median income is $819/wk, which is above the NSW average of $781/wk.Rent affordability is rated as affordable (16.3% 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: 12802. All dollar figures in AUD.