St Agnes, SA: suburb profile

The population of St Agnes SA is 4,233 according to the 2021 Census. The median personal income in St Agnes is $746 per week ($38,792 per year). Median rent in St Agnes is $340 per week ($1,473 per month). St Agnes has a median age of 44 years, older than the national median of 38. St Agnes has a population density of 1,628 people per km².

The most common overseas birthplace in St Agnes is England. The most common religion is No religion (46.4% of residents). After English, the most spoken language is Italian. The median monthly mortgage repayment in St Agnes is $1,500.

There were 112 recorded offences in St Agnes in 2025-26, a rate of 26 offences per 1,000 people. The most common offence category was theft (79 offences).

Population
4,233
Census 2021
Median income
$746/wk
Personal, Census 2021
Median rent
$340/wk
Weekly, Census 2021
Median age
44years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from SA Government Open Data (data.sa.gov.au), 2025-26.

St Agnes vs the typical SA suburb

The median personal income in St Agnes is $746 a week, 2% below the typical SA suburb ($759). That ranks 375th of 710 SA suburbs with 200 or more residents. Median rent is $340 a week, $40 more than the typical SA suburb. Rent takes 21.8% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 44, 1 year older than in the typical SA suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureSt AgnesTypical SADifferenceTypical Australia
Personal income$746/wk$759/wk −2%$766/wk
Household income$1,557/wk$1,494/wk +4%$1,637/wk
Rent$340/wk$300/wk +13%$330/wk
Mortgage repayment$1,500/mo$1,534/mo −2%$1,733/mo
Median age4443 +1 yrs42
Rent share of household income21.8%19.5% +2.4 pts20.3%
Income, rent and mortgage against the typical suburb Valid: Census 2021 · Source: ABS, calculated by GDP.com.au
Bar chart of median income, rent and mortgage repayment in St Agnes, the typical SA suburb and the typical Australian suburb.

St Agnes Population

4,233 residents at the 2021 Census.

St Agnes Median Income & Rent

Median Income
$746/wk
$38,792 per year
Ranked 4,605 of 14,663
Median Rent
$340/wk
$1,473 per month
Ranked 3,592 of 14,663
Median Age
44years
6 years older than the national median
Mortgage
$1,500/mo
Avg household size: 2.4 · 0.7 per bedroom

Valid: Census 2021 · Source: ABS Census of Population and Housing.

St Agnes Rent Prices & Affordability

22% of median household income goes on median rent

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

Household income $1,557/wk
Median rent $340/wk
Rent to income 21.8%

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

Median rent in St Agnes against your income

About $6,747 a month
Median rent $340/wk
Left after rent $1,217/wk
Rent share 21.8%

St Agnes Schools

18
schools nearby
13
government
1036
avg ICSEA score
8,105
total students
Torrens Valley Christian School Independent
Combined · R-12 · 565 students
1085
ICSEA
Tea Tree Gully Primary School Government
Primary · U, R-6 · 117 students
1073
ICSEA
Saint David's Parish School Catholic
Primary · R-6 · 306 students
1063
ICSEA
The Heights School Government
Combined · U, R-12 · 1,811 students
1060
ICSEA
Highbury Primary School Government
Primary · U, R-6 · 499 students
1054
ICSEA
St Francis Xavier's Regional Catholic School Catholic
Primary · R-6 · 561 students
1051
ICSEA
Golden Grove Lutheran Primary School Independent
Primary · R-6 · 205 students
1051
ICSEA
Ardtornish Primary School Government
Primary · R-6 · 462 students
1044
ICSEA
St Agnes School P - 6 Government
Primary · R-6 · 251 students
1039
ICSEA
Banksia Park School R-6 Government
Primary · R-6 · 240 students
1037
ICSEA
Redwood Park Primary School Government
Primary · R-6 · 368 students
1032
ICSEA
Modbury School P-6 Government
Primary · U, R-6 · 172 students
1026
ICSEA
Modbury South Primary School Government
Primary · U, R-6 · 179 students
1011
ICSEA
Banksia Park International High School Government
Secondary · 7-12 · 1,055 students
1009
ICSEA
Modbury High School Government
Secondary · U, 7-12 · 926 students
1005
ICSEA

Showing 15 of 18 schools.

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

All schools near St Agnes, with a map

St Agnes Map

St Agnes, South Australia Map data: OpenStreetMap
Loading map…

St Agnes, South Australia: 34.8297°S, 138.7098°E

St Agnes Circle size: offences per 1,000 residents Schools (18)

People in St Agnes

Demographics

Gender Split

Male 49.0% (2,073) Female 51.0% (2,154)

Population Density

1,628
people per km²
4,233 people · 2.6 km²

Households

2.4
Avg household size
0.7
Persons per bedroom
$1,973
Family income/wk

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)

Most common overseas birthplaces

England
6.5%
Italy
3.0%
India
2.3%
China
1.0%
Germany
0.9%
Philippines
0.8%
Scotland
0.7%

Shares are of all residents. Source: ABS Census 2021, G09 Country of Birth by SAL

Most common languages at home other than English

Italian
3.2%
Punjabi
1.2%
Mandarin
1.0%
Arabic
0.7%
Greek
0.6%
Nepali
0.6%
Russian
0.5%

Shares are of all residents. Source: ABS Census 2021, G13 Language Used at Home by SAL

Ancestry

English
41.5%
Australian
33.5%
German
9.6%
Italian
8.9%
Scottish
8.6%
Irish
7.3%
Indian
2.5%
Chinese
1.8%
Dutch
1.6%
Polish
1.4%
Australian Aboriginal
1.3%

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

Religion

No religion
46.4%
Catholic
17.0%
Anglican
7.5%
Uniting Church
6.4%
Not stated
4.1%
Lutheran
2.3%
Christian (other)
2.3%
Baptist
2.0%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

1.3%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
49.2% 1,739
Separated
3.0% 106
Divorced
10.6% 373
Widowed
7.6% 270
Never married
29.6% 1,045

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
37.3%
Couple: no children
30.3%
Couple: no children under 15
17.5%
One parent: no children under 15
7.5%
One parent: children under 15
7.3%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
26.5%
2 persons
36.5%
3 persons
15.9%
4 persons
14.8%
5 persons
4.8%
6+ persons
1.6%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in St Agnes

Housing Tenure

Of the 1,650 occupied private dwellings in St Agnes at the 2021 Census, 16.9% were rented, 39.5% owned outright and 42.1% owned with a mortgage.

Other tenure type
1.0% 16 dwellings
Owned outright
39.5% 651 dwellings
Owned with mortgage
42.1% 694 dwellings
Rented
16.9% 279 dwellings
Tenure type not stated
0.8% 13 dwellings

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

Dwelling Types

Separate house
95.4%
Semi-detached (1 storey)
4.6%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
1.0%
2 bedrooms
12.0%
3 bedrooms
62.0%
4 bedrooms
21.7%
5 bedrooms
2.6%
6+ bedrooms
0.7%

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

Monthly Mortgage Repayments

$0-$299/mo
4.1%
$300-$449/mo
2.5%
$450-$599/mo
3.7%
$600-$799/mo
3.4%
$800-$999/mo
8.3%
$1,000-$1,399/mo
22.1%
$1,400-$1,799/mo
27.6%
$1,800-$2,399/mo
20.4%
$2,400-$2,999/mo
5.2%
$3,000-$3,999/mo
2.6%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
4.2%
1 vehicle
36.1%
2 vehicles
40.6%
3 vehicles
12.7%
4+ vehicles
6.3%

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

Work, income and education in St Agnes

Employment

Employed full-time
36.7% 1,227 people
Employed part-time
21.9% 732 people
Unemployed
2.5% 84 people
Not in labour force
38.8% 1,296 people

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

Occupation

Professionals
28.6%
Technicians & Trade Workers
17.9%
Clerical & Administrative
14.9%
Community & Personal Service
13.6%
Managers
10.6%
Sales Workers
5.5%
Labourers
5.1%
Machinery Operators & Drivers
3.8%

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

Weekly Household Income

Nil/Negative/wk
1.2%
$1-$149/wk
0.6%
$150-$299/wk
0.9%
$300-$399/wk
1.7%
$400-$499/wk
6.6%
$500-$649/wk
5.2%
$650-$799/wk
7.1%
$800-$999/wk
7.3%
$1,000-$1,249/wk
9.0%
$1,250-$1,499/wk
8.8%
$1,500-$1,749/wk
6.7%
$1,750-$1,999/wk
6.2%
$2,000-$2,499/wk
13.7%
$2,500-$2,999/wk
8.9%
$3,000-$3,499/wk
6.3%
$3,500-$3,999/wk
3.7%
$4,000+/wk
5.9%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
8.2%
$1-$149/wk
4.2%
$150-$299/wk
6.9%
$300-$399/wk
4.0%
$400-$499/wk
6.2%
$500-$649/wk
4.3%
$650-$799/wk
9.8%
$800-$999/wk
10.5%
$1,000-$1,249/wk
12.3%
$1,250-$1,499/wk
11.3%
$1,500-$1,749/wk
7.7%
$1,750-$1,999/wk
5.6%
$2,000-$2,999/wk
7.3%
$3,000-$3,499/wk
0.8%
$3,500+/wk
0.9%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
74.0%
Did not go to work
11.7%
Bus
7.3%
Car (passenger)
3.2%
Walked only
1.6%
Bicycle
0.6%
Other
0.5%
Motorbike/Scooter
0.4%
Taxi/Rideshare
0.3%
Truck
0.3%

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

Education Level

Year 12 or equivalent
58.0%
Year 11 or equivalent
21.5%
Year 10 or equivalent
17.0%
Year 9 or equivalent
3.5%

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

Qualifications

Certificate III/IV
39.4%
Bachelor Degree
27.3%
Advanced Diploma/Diploma
19.8%
Postgraduate Degree
6.9%
Graduate Diploma/Certificate
4.4%
Certificate I/II
2.2%

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

Field of Study

Management & Commerce
22.2%
Engineering
19.1%
Health
13.5%
Society & Culture
12.4%
Education
9.0%
Food, Hospitality & Personal Services
5.9%
Architecture & Building
5.8%
Information Technology
4.1%
Creative Arts
3.6%
Natural & Physical Sciences
2.5%
Agriculture & Environment
2.0%

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

School & University Attendance

Primary: Government
37.5%
Secondary: Government
19.6%
Vocational Education
11.6%
Pre-school
8.6%
Primary: Other Non-Govt
7.3%
Secondary: Catholic
6.3%
Primary: Catholic
4.9%
Secondary: Other Non-Govt
4.2%

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

More from the 2021 Census

Need for Assistance

Does not have need for assistance
88.9%
Has need for assistance
8.1%
Need for assistance not stated
3.1%

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

Long-term Health Conditions

Mental health
525
Arthritis
190
Asthma
158
Heart disease
152
Diabetes
149
Cancer
100
Lung condition
76
Stroke
59
Kidney disease
54
Dementia
36

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

Unpaid Carers

Provided unpaid assistance
13.7% 469
Did not provide
86.3% 2,950

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
16.5% 565
Not a volunteer
83.5% 2,858

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Regular
0.3% 10
Previously served
3.5% 120
Never served
96.2% 3,300

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
28.4%
1 child
13.7%
2 children
37.5%
3 children
16.5%
4 children
3.9%

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

When Migrants Arrived

Before 1951
27
1951: 1960
136
1961: 1970
202
1971: 1980
96
1981: 1990
72
1991: 2000
54
2001: 2010
176
2011: 2015
102
2016
37
2017
15
2018
41
2019
36
2020
3
2021
5

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

Population Mobility

10.7%
moved in the last year
33.1%
moved in the last 5 years
3.9%
unemployment rate (Census)
60.8%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
3,644
Moved from SA
352
Moved: same area (SA2)
43
Moved from overseas
14
Moved from VIC
8
Moved from WA
4
Moved from NT
4
Moved from NSW
4
Moved from QLD
3

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

Unpaid Domestic Work

Less than 5 hours
20.5%
5: 14 hours
32.4%
15: 29 hours
14.2%
30+ hours
8.3%
Did not do domestic work
24.7%

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

Family Blending

Intact family: no other children
89.8%
Step family: no other children
5.4%
Blended family: no other children
3.3%
Other couple: children only
1.5%

Source: ABS Census 2021, G31 Family Blending by SAL

St Agnes Crime Statistics

112 reported offences in 2025-26, by category.

Theft
79
Property Damage
13
Assault
11
Break & Enter
6
Fraud
2
Other Against Person
1

Total offences by year

2021
2022
2023
2024
2025

Source: SA Government Open Data (data.sa.gov.au).

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Income: $779/wk Rent: $279/wk $61/wk less rent
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Income: $766/wk Rent: $290/wk $50/wk less rent
Lyndoch
Income: $766/wk Rent: $295/wk $45/wk less rent
O'Sullivan Beach
Income: $599/wk Rent: $300/wk $40/wk less rent
Westbourne Park
Income: $884/wk Rent: $305/wk $35/wk less rent
Fulham (SA)
Income: $812/wk Rent: $315/wk $25/wk less rent

Suburbs near St Agnes

The closest suburb to St Agnes is Ridgehaven, 0.9 km away.

Ridgehaven
0.9 km away · income $688/wk · rent $320/wk
Vista
2.0 km away · income $848/wk · rent $370/wk
Redwood Park
2.1 km away · income $837/wk · rent $350/wk
Hope Valley (SA)
2.2 km away · income $658/wk · rent $320/wk
Modbury
2.4 km away · income $683/wk · rent $315/wk
Tea Tree Gully
2.5 km away · income $799/wk · rent $325/wk

Compare St Agnes (SA)

Frequently Asked Questions About St Agnes

What is the population of St Agnes SA?

The population of St Agnes SA is 4,233 according to the ABS Census 2021. The suburb has a population density of 1,628 people per km². St Agnes is ranked #1,822 out of 14,663 suburbs by population.

What is the median income in St Agnes?

The median personal income in St Agnes SA is $746 per week, or $38,792 per year. The median household income is $1,557 per week. Family income is $1,973 per week. St Agnes is ranked #4,605 by income out of 14,663 Australian suburbs.

How much is rent in St Agnes?

Median rent in St Agnes SA is $340 per week ($1,473 per month). Rent represents 21.8% of household income, which is considered affordable. St Agnes ranks #3,592 out of 14,663 suburbs by rent.

What are mortgage repayments in St Agnes?

The median monthly mortgage repayment in St Agnes SA is $1,500. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in St Agnes?

The median age in St Agnes SA is 44 years. This is older than the national median age of 38 years.

Is St Agnes a good suburb to live in?

St Agnes is a suburb in South Australia with a population of 4,233. The median income is $746/wk, which is below the typical SA suburb ($759/wk). Rent affordability is rated as affordable (21.8% of household income). See the full suburb profile above for detailed statistics.

Explore More

Australian Average Salary Australian House Prices Adelaide Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41366. All dollar figures in AUD.