South Australia · Suburb Profile
Onkaparinga Hills SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Onkaparinga Hills, South Australia. ABS Census 2021.
The population of Onkaparinga Hills SA is 2,610 according to the 2021 Census. The median personal income in Onkaparinga Hills is $825 per week ($42,900 per year). Median rent in Onkaparinga Hills is $385 per week ($1,668 per month). Onkaparinga Hills has a median age of 45 years, older than the national median of 38. Onkaparinga Hills has a population density of 104.3 people per km².
The most common overseas birthplace in Onkaparinga Hills is England. The most common religion is No Religion (59% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Onkaparinga Hills is $1,625.
There were 15 recorded offences in Onkaparinga Hills in 2025-26, a rate of 6 offences per 1,000 people. The most common offence category was theft (6 offences).
Onkaparinga Hills Map
Onkaparinga Hills Population
Onkaparinga Hills Median Income & Rent
Onkaparinga Hills Demographics
Gender Split
Population Density
Households
Onkaparinga Hills Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Onkaparinga Hills Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Onkaparinga Hills Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Onkaparinga Hills Religion
Source: ABS Census 2021 G14 — Religion by SAL
Onkaparinga Hills Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Onkaparinga Hills Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
Onkaparinga Hills Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Onkaparinga Hills Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Onkaparinga Hills Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Onkaparinga Hills Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Onkaparinga Hills Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Onkaparinga Hills Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Onkaparinga Hills Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Onkaparinga Hills Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Onkaparinga Hills School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Onkaparinga Hills Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Onkaparinga Hills Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Onkaparinga Hills Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Onkaparinga Hills How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Onkaparinga Hills Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Onkaparinga Hills Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Onkaparinga Hills Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Onkaparinga Hills Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Onkaparinga Hills Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Onkaparinga Hills Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Onkaparinga Hills Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Onkaparinga Hills Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Onkaparinga Hills Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Onkaparinga Hills Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Onkaparinga Hills When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
Onkaparinga Hills Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Onkaparinga Hills Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Onkaparinga Hills Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Onkaparinga Hills Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Onkaparinga Hills Crime Statistics
Reported offences in 2025-26 — 15 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
Onkaparinga Hills Schools
Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).
View all schools in Onkaparinga Hills with map →Onkaparinga Hills Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in Onkaparinga Hills
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Onkaparinga Hills vs State & National Average
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Frequently Asked Questions About Onkaparinga Hills
What is the population of Onkaparinga Hills SA?
The population of Onkaparinga Hills SA is 2,610 according to the ABS Census 2021.The suburb has a population density of 104.3 people per km².Onkaparinga Hills is ranked #2,645 out of 14,663 suburbs by population.
What is the median income in Onkaparinga Hills?
The median personal income in Onkaparinga Hills SA is $825 per week, or $42,900 per year.The median household income is $2,078 per week.Family income is $2,119 per week.Onkaparinga Hills is ranked #3,173 by income out of 14,663 Australian suburbs.
How much is rent in Onkaparinga Hills?
Median rent in Onkaparinga Hills SA is $385 per week ($1,668 per month).Rent represents 18.5% of household income, which is considered affordable.Onkaparinga Hills ranks #2,381 out of 14,663 suburbs by rent.
What are mortgage repayments in Onkaparinga Hills?
The median monthly mortgage repayment in Onkaparinga Hills SA is $1,625. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Onkaparinga Hills?
The median age in Onkaparinga Hills SA is 45 years.This is older than the national median age of 38 years.
Is Onkaparinga Hills a good suburb to live in?
Onkaparinga Hills is a suburb in South Australia with a population of 2,610.The median income is $825/wk, which is above the SA average of $763/wk.Rent affordability is rated as affordable (18.5% of household income). See the full suburb profile above for detailed statistics.
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: 41076. All dollar figures in AUD.