South Australia · Suburb Profile
St Clair SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for St Clair, South Australia. ABS Census 2021.
The population of St Clair SA is 2,634 according to the 2021 Census. The median personal income in St Clair is $1,055 per week ($54,860 per year). Median rent in St Clair is $360 per week ($1,560 per month). St Clair has a median age of 32 years, younger than the national median of 38. St Clair has a population density of 2814.4 people per km².
The most common overseas birthplace in St Clair is India. The most common religion is No Religion (48% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in St Clair is $1,733.
There were 114 recorded offences in St Clair in 2025-26, a rate of 43 offences per 1,000 people. The most common offence category was theft (85 offences).
St Clair Map
St Clair Population
St Clair Median Income & Rent
St Clair Demographics
Gender Split
Population Density
Households
St Clair Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
St Clair Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
St Clair Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
St Clair Religion
Source: ABS Census 2021 G14 — Religion by SAL
St Clair Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
St Clair Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
St Clair Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
St Clair Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
St Clair Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
St Clair Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
St Clair Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
St Clair Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
St Clair Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
St Clair Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
St Clair School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
St Clair Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
St Clair Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
St Clair Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
St Clair How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
St Clair Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
St Clair Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
St Clair Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
St Clair Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
St Clair Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
St Clair Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
St Clair Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
St Clair Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
St Clair Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
St Clair Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
St Clair When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
St Clair Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
St Clair Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
St Clair Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
St Clair Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
St Clair Crime Statistics
Reported offences in 2025-26 — 114 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
St Clair Schools
Showing 15 of 25 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 Clair with map →St Clair Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in St Clair
Cheaper alternatives with similar incomes
St Clair vs State & National Average
Nearby Suburbs in SA
Compare St Clair (SA)
Frequently Asked Questions About St Clair
What is the population of St Clair SA?
The population of St Clair SA is 2,634 according to the ABS Census 2021.The suburb has a population density of 2814.4 people per km².St Clair is ranked #2,632 out of 14,663 suburbs by population.
What is the median income in St Clair?
The median personal income in St Clair SA is $1,055 per week, or $54,860 per year.The median household income is $1,890 per week.Family income is $2,308 per week.St Clair is ranked #896 by income out of 14,663 Australian suburbs.
How much is rent in St Clair?
Median rent in St Clair SA is $360 per week ($1,560 per month).Rent represents 19.0% of household income, which is considered affordable.St Clair ranks #2,908 out of 14,663 suburbs by rent.
What are mortgage repayments in St Clair?
The median monthly mortgage repayment in St Clair SA is $1,733. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in St Clair?
The median age in St Clair SA is 32 years.This is younger than the national median age of 38 years.
Is St Clair a good suburb to live in?
St Clair is a suburb in South Australia with a population of 2,634.The median income is $1,055/wk, which is above the SA average of $763/wk.Rent affordability is rated as affordable (19.0% 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: 41367. All dollar figures in AUD.