South Australia · Suburb Profile
St Agnes SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for St Agnes, South Australia. ABS Census 2021.
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 1627.6 people per km².
The most common overseas birthplace in St Agnes is England. The most common religion is No Religion (53% 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).
St Agnes Map
St Agnes Population
St Agnes Median Income & Rent
St Agnes Demographics
Gender Split
Population Density
Households
St Agnes Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
St Agnes Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
St Agnes Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
St Agnes Religion
Source: ABS Census 2021 G14 — Religion by SAL
St Agnes Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
St Agnes Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
St Agnes Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
St Agnes Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
St Agnes Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
St Agnes Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
St Agnes Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
St Agnes Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
St Agnes Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
St Agnes Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
St Agnes School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
St Agnes Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
St Agnes Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
St Agnes Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
St Agnes How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
St Agnes Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
St Agnes Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
St Agnes Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
St Agnes Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
St Agnes Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
St Agnes Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
St Agnes Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
St Agnes Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
St Agnes Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
St Agnes Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
St Agnes When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
St Agnes Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
St Agnes Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
St Agnes Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
St Agnes Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
St Agnes Crime Statistics
Reported offences in 2025-26 — 112 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
St Agnes Schools
Showing 15 of 18 schools
Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).
View all schools in St Agnes with map →St Agnes Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in St Agnes
Cheaper alternatives with similar incomes
St Agnes vs State & National Average
Nearby Suburbs in SA
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 1627.6 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 SA average of $763/wk.Rent affordability is rated as affordable (21.8% of household income). See the full suburb profile above for detailed statistics.
Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41366. All dollar figures in AUD.