South Australia · Suburb Profile

Mount Gambier SA — Suburb Profile

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

The population of Mount Gambier SA is 25,591 according to the 2021 Census. The median personal income in Mount Gambier is $691 per week ($35,932 per year). Median rent in Mount Gambier is $220 per week ($953 per month). Mount Gambier has a median age of 41 years, older than the national median of 38. Mount Gambier has a population density of 955.0 people per km².

The most common overseas birthplace in Mount Gambier is England. The most common religion is No Religion (56% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Mount Gambier is $1,083.

There were 748 recorded offences in Mount Gambier in 2025-26, a rate of 29 offences per 1,000 people. The most common offence category was theft (251 offences).

Mount Gambier Map

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Mount Gambier Population

residents (Census 2021)

Mount Gambier Median Income & Rent

💰

Median Income

$691/wk

$35,932 per year

#5640 of 14,663

🏠

Median Rent

$220/wk

$953 per month

#7029 of 14,663

👤

Median Age

41years

3 years older than national median

🏡

Mortgage

$1,083/mo

Avg household size: 2.2 · 0.7 per bedroom

Mount Gambier Demographics

Gender Split

Male 48.0% (12,291) Female 52.0% (13,301)

Population Density

955.0

people per km²

25,591 people · 26.8 km²

Households

2.2

Avg household size

0.7

Persons per bedroom

$1,641

Family income/wk

Mount Gambier 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 Gambier Housing Tenure

🏠

Owned outright

48.7% 3,216 dwellings

🏦

Owned with mortgage

51.3% 3,385 dwellings

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

Mount Gambier Country of Birth

Australia

95.5%

England

2.7%

India

0.7%

Germany

0.4%

China

0.2%

Greece

0.1%

Croatia

0.1%

Egypt

0.1%

Bangladesh

0.1%

Canada

0.1%

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

Mount Gambier Religion

No Religion

56.3%

Catholic

15.6%

Not stated

7.8%

Anglican

6.6%

Uniting Church

4.7%

Christinty Prsbytrin Refrmd

3.7%

Baptist

2.9%

Christian (other)

2.5%

Source: ABS Census 2021 G14 — Religion by SAL

Mount Gambier Education Level

Year 12 or equivalent

45.9%

Year 11 or equivalent

25.4%

Year 10 or equivalent

21.6%

Year 9 or equivalent

7.2%

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

Mount Gambier Languages Spoken at Home

Other

60.7%

Italian

11.5%

Mandarin

6.9%

SAL Tot

6.2%

IAL Punjabi

4.1%

Urdu

3.9%

Greek

3.4%

SAL Filipin

3.3%

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

Mount Gambier Employment

💼

Employed full-time

34.7% 6,648 people

⏰

Employed part-time

22.3% 4,279 people

🔍

Unemployed

3.1% 595 people

🏠

Not in labour force

39.8% 7,632 people

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

Mount Gambier Qualifications

Certificate III/IV

51.9%

Bachelor Degree

20.4%

Advanced Diploma/Diploma

15.7%

Certificate I/II

4.3%

Postgraduate Degree

4.1%

Graduate Diploma/Certificate

3.6%

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

Mount Gambier Occupation

Professionals

22.9%

Community & Personal Service

19.1%

Technicians & Trade Workers

17.7%

Managers

11.2%

Clerical & Administrative

9.7%

Labourers

7.1%

Sales Workers

6.9%

Machinery Operators & Drivers

5.5%

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

Mount Gambier Field of Study

Management & Commerce

19.5%

Engineering

17.3%

Society & Culture

16.2%

Health

13.0%

Education

11.1%

Food, Hospitality & Personal Services

8.0%

Architecture & Building

6.5%

Agriculture & Environment

3.5%

Creative Arts

2.1%

Information Technology

1.4%

Natural & Physical Sciences

1.3%

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

Mount Gambier Dwelling Types

Separate house

84.5%

Semi-detached (1 storey)

15.1%

Semi-detached (2+ storey)

0.4%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Mount Gambier Weekly Household Income

Nil/Negative/wk

1.5%

$1-$149/wk

0.7%

$150-$299/wk

1.9%

$300-$399/wk

3.7%

$400-$499/wk

10.4%

$500-$649/wk

6.7%

$650-$799/wk

9.3%

$800-$999/wk

9.0%

$1,000-$1,249/wk

8.7%

$1,250-$1,499/wk

8.2%

$1,500-$1,749/wk

6.2%

$1,750-$1,999/wk

5.8%

$2,000-$2,499/wk

11.8%

$2,500-$2,999/wk

5.9%

$3,000-$3,499/wk

4.5%

$3,500-$3,999/wk

1.9%

$4,000+/wk

4.0%

Source: ABS Census 2021 G33 — Household Income by SAL

Mount Gambier Marital Status

💍

Married

42.4% 8,915

↔️

Separated

3.9% 830

📋

Divorced

10.7% 2,245

🕊️

Widowed

7.2% 1,513

👤

Never married

35.8% 7,517

Source: ABS Census 2021 G05 — Marital Status by SAL

Mount Gambier Ancestry

Australian

32.5%

English

32.5%

Scottish

8.1%

Irish

6.9%

German

6.3%

Other

4.9%

Italian

2.7%

Aboriginal Australianralian

2.2%

Dutch

2.0%

Polish

0.7%

Filipino

0.6%

Chinese

0.6%

Source: ABS Census 2021 G08 — Ancestry by SAL

Mount Gambier School & University Attendance

Primary — Government

34.3%

Secondary — Government

20.8%

Vocational Education

12.3%

Pre-school

8.9%

Primary — Catholic

8.1%

Secondary — Catholic

7.3%

Primary — Other Non-Govt

4.2%

Secondary — Other Non-Govt

4.1%

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

Mount Gambier Need for Assistance

♿

Needs assistance

8.2% 3,972

✅

No need for assistance

91.8% 44,332

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

Mount Gambier Volunteering

🤝

Volunteer

17.8% 3,520

—

Not a volunteer

82.2% 16,224

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Mount Gambier Monthly Mortgage Repayments

$0-$299/mo

4.5%

$300-$449/mo

3.9%

$450-$599/mo

4.0%

$600-$799/mo

10.5%

$800-$999/mo

17.3%

$1,000-$1,399/mo

32.6%

$1,400-$1,799/mo

16.4%

$1,800-$2,399/mo

7.7%

$2,400-$2,999/mo

1.9%

$3,000-$3,999/mo

1.3%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Mount Gambier How People Get to Work

Car (driver)

78.4%

Did not go to work

11.0%

Car (passenger)

6.1%

Walked only

2.4%

Bicycle

0.5%

Truck

0.4%

Other

0.3%

Bus

0.3%

Motorbike/Scooter

0.3%

Taxi/Rideshare

0.2%

Ferry

0.0%

Train

0.0%

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

Mount Gambier Car Ownership

0 vehicles

7.8%

1 vehicle

38.9%

2 vehicles

35.5%

3 vehicles

11.7%

4+ vehicles

6.1%

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

Mount Gambier Number of Bedrooms

1 bedroom

2.8%

2 bedrooms

20.3%

3 bedrooms

54.9%

4 bedrooms

19.3%

5 bedrooms

2.3%

6+ bedrooms

0.4%

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

Mount Gambier Population Mobility

14.4%

moved in the last year

40.7%

moved in the last 5 years

4.9%

unemployment rate (Census)

58.1%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Mount Gambier Indigenous Population

3.0%

Aboriginal & Torres Strait Islander

1,449

Indigenous residents

47,142

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Mount Gambier Long-term Health Conditions

Mental health

2,873

Asthma

1,132

Arthritis

984

Diabetes

896

Heart disease

831

Lung condition

697

Cancer

413

Stroke

344

Kidney disease

292

Dementia

115

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

Mount Gambier Personal Weekly Income Distribution

$0 or less/wk

7.7%

$1-$149/wk

4.7%

$150-$299/wk

7.6%

$300-$399/wk

6.1%

$400-$499/wk

5.1%

$500-$649/wk

4.0%

$650-$799/wk

11.5%

$800-$999/wk

13.4%

$1,000-$1,249/wk

13.1%

$1,250-$1,499/wk

8.7%

$1,500-$1,749/wk

6.8%

$1,750-$1,999/wk

4.2%

$2,000-$2,999/wk

5.2%

$3,000-$3,499/wk

0.8%

$3,500+/wk

1.3%

Source: ABS Census 2021 G17 — Personal Income by SAL

Mount Gambier Family Structure

Couple — children under 15

37.4%

Couple — no children

31.4%

Couple — no children under 15

12.6%

One parent — children under 15

11.9%

One parent — no children under 15

6.7%

Source: ABS Census 2021 G29 — Family Composition by SAL

Mount Gambier Military Service

🛡️

Current ADF — Reserves

0.1% 13

🏅

Previously served

3.2% 631

👤

Never served

96.7% 19,169

Source: ABS Census 2021 G22 — ADF Service by SAL

Mount Gambier Unpaid Carers

🤲

Provided unpaid assistance

14.0% 2,754

—

Did not provide

86.0% 16,908

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Mount Gambier Children Ever Born

No children

28.5%

1 child

12.1%

2 children

30.7%

3 children

18.9%

4 children

7.5%

5+ children

2.5%

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

Mount Gambier When Migrants Arrived

Before 1951

1951–1960

404

1961–1970

421

1971–1980

246

1981–1990

154

1991–2000

160

2001–2010

502

2011–2015

422

2016

2017

106

2018

101

2019

115

2020

2021

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

Mount Gambier Unpaid Domestic Work

Less than 5 hours

20.9%

5–14 hours

29.7%

15–29 hours

13.4%

30+ hours

9.5%

Did not do domestic work

26.5%

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

Mount Gambier Household Size

1 person

34.9%

2 persons

34.4%

3 persons

13.1%

4 persons

11.2%

5 persons

4.3%

6+ persons

2.2%

Source: ABS Census 2021 G35 — Household Size by SAL

Mount Gambier Where Residents Moved From

Same address

20,350

Moved from SA

1,702

Moved — same area (SA2)

1,141

Moved from VIC

250

Moved from QLD

Moved from overseas

Moved from NSW

Moved from WA

Moved from NT

Moved from TAS

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

Mount Gambier Family Blending

Intact family — no other children

80.6%

Step family — no other children

9.4%

Blended family — no other children

7.8%

Intact family — other children present

1.1%

Other couple — children only

1.0%

Blended family — other children present

0.2%

Source: ABS Census 2021 G31 — Family Blending by SAL

Mount Gambier Crime Statistics

Reported offences in 2025-26 — 748 total

Theft

251

Assault

182

Property Damage

161

Break & Enter

101

Other Against Person

Fraud

Robbery

Offence trend by year:

2021

2022

2023

2024

2025

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

Mount Gambier Schools

schools nearby

government

956

avg ICSEA score

5,620

total students

Tenison Woods College Catholic

Combined · R-12 · 1,552 students

1031

ICSEA

St Martins Lutheran College Independent

Combined · R-12 · 810 students

1028

ICSEA

Reidy Park Primary School Government

Primary · R-6 · 474 students

990

ICSEA

Suttontown Primary School Government

Primary · R-6 · 101 students

960

ICSEA

Grant High School Government

Secondary · U, 7-12 · 978 students

954

ICSEA

Gordon Education Centre Government

Combined · U · 62 students

951

ICSEA

McDonald Park School Government

Primary · U, R-6 · 379 students

948

ICSEA

Mount Gambier High School Government

Secondary · U, 7-12 · 778 students

946

ICSEA

Mulga Street Primary School Government

Primary · R-6 · 189 students

943

ICSEA

Mount Gambier North Primary School Government

Primary · U, R-6 · 190 students

888

ICSEA

Melaleuca Park Primary School Government

Primary · U, R-6 · 107 students

882

ICSEA

OneSchool Global SA - Mount Gambier Campus Independent

Combined

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

View all schools in Mount Gambier with map →

Mount Gambier Rent Prices & Affordability

18%

of income

Affordable

Household Income $1,197/wk

Median Rent $220/wk

Rent-to-Income 18.4%

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

If you earn X in Mount Gambier

Your weekly income

≈ $5,187/month

Median rent $220/wk

Left after rent $977/wk

Rent share 18.4%

Cheaper alternatives with similar incomes

Risdon Park South

Income: $713/wk Rent: $185/wk Save: $35/wk

Paringa

Income: $800/wk Rent: $200/wk Save: $20/wk

Renmark West

Income: $788/wk Rent: $200/wk Save: $20/wk

Port Augusta West

Income: $720/wk Rent: $213/wk Save: $7/wk

Berri

Income: $610/wk Rent: $215/wk Save: $5/wk

Risdon Park

Income: $577/wk Rent: $180/wk Save: $40/wk

Keith

Income: $746/wk Rent: $180/wk Save: $40/wk

Whyalla Norrie

Income: $596/wk Rent: $180/wk Save: $40/wk

Mount Gambier vs State & National Average

Nearby Suburbs in SA

Mawson Lakes

Pop: 13,794 Income: $915/wk Rent: $360/wk

Port Lincoln

Pop: 14,458 Income: $717/wk Rent: $240/wk

Prospect (SA)

Pop: 14,584 Income: $954/wk Rent: $350/wk

Murray Bridge

Pop: 15,043 Income: $574/wk Rent: $240/wk

Paralowie

Pop: 17,504 Income: $678/wk Rent: $305/wk

Adelaide

Pop: 18,202 Income: $726/wk Rent: $400/wk

Compare Mount Gambier

Mount Gambier vs Mawson Lakes →Mount Gambier vs Port Lincoln →Mount Gambier vs Prospect (SA) →Mount Gambier vs Murray Bridge →

Frequently Asked Questions About Mount Gambier

What is the population of Mount Gambier SA?

The population of Mount Gambier SA is 25,591 according to the ABS Census 2021.The suburb has a population density of 955.0 people per km².Mount Gambier is ranked #74 out of 14,663 suburbs by population.

What is the median income in Mount Gambier?

The median personal income in Mount Gambier SA is $691 per week, or $35,932 per year.The median household income is $1,197 per week.Family income is $1,641 per week.Mount Gambier is ranked #5,640 by income out of 14,663 Australian suburbs.

How much is rent in Mount Gambier?

Median rent in Mount Gambier SA is $220 per week ($953 per month).Rent represents 18.4% of household income, which is considered affordable.Mount Gambier ranks #7,029 out of 14,663 suburbs by rent.

What are mortgage repayments in Mount Gambier?

The median monthly mortgage repayment in Mount Gambier SA is $1,083. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Mount Gambier?

The median age in Mount Gambier SA is 41 years.This is older than the national median age of 38 years.

Is Mount Gambier a good suburb to live in?

Mount Gambier is a suburb in South Australia with a population of 25,591.The median income is $691/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (18.4% 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: 40947. All dollar figures in AUD.