South Australia · Suburb Profile
One Tree Hill SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for One Tree Hill, South Australia. ABS Census 2021.
The population of One Tree Hill SA is 1,043 according to the 2021 Census. The median personal income in One Tree Hill is $842 per week ($43,784 per year). Median rent in One Tree Hill is $305 per week ($1,322 per month). One Tree Hill has a median age of 45 years, older than the national median of 38. One Tree Hill has a population density of 44.5 people per km².
The most common overseas birthplace in One Tree Hill is England. The most common religion is No Religion (52% of residents). After English, the most spoken language is Italian. The median monthly mortgage repayment in One Tree Hill is $1,863.
There were 7 recorded offences in One Tree Hill in 2025-26, a rate of 7 offences per 1,000 people. The most common offence category was theft (3 offences).
One Tree Hill Map
One Tree Hill Population
One Tree Hill Median Income & Rent
One Tree Hill Demographics
Gender Split
Population Density
Households
One Tree Hill Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
One Tree Hill Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
One Tree Hill Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
One Tree Hill Religion
Source: ABS Census 2021 G14 — Religion by SAL
One Tree Hill Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
One Tree Hill Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
One Tree Hill Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
One Tree Hill Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
One Tree Hill Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
One Tree Hill Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
One Tree Hill Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
One Tree Hill Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
One Tree Hill Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
One Tree Hill Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
One Tree Hill School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
One Tree Hill Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
One Tree Hill Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
One Tree Hill Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
One Tree Hill How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
One Tree Hill Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
One Tree Hill Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
One Tree Hill Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
One Tree Hill Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
One Tree Hill Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
One Tree Hill Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
One Tree Hill Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
One Tree Hill Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
One Tree Hill Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
One Tree Hill Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
One Tree Hill When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
One Tree Hill Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
One Tree Hill Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
One Tree Hill Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
One Tree Hill Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
One Tree Hill Crime Statistics
Reported offences in 2025-26 — 7 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
One Tree Hill Schools
Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).
View all schools in One Tree Hill with map →One Tree Hill Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in One Tree Hill
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One Tree Hill vs State & National Average
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Frequently Asked Questions About One Tree Hill
What is the population of One Tree Hill SA?
The population of One Tree Hill SA is 1,043 according to the ABS Census 2021.The suburb has a population density of 44.5 people per km².One Tree Hill is ranked #3,911 out of 14,663 suburbs by population.
What is the median income in One Tree Hill?
The median personal income in One Tree Hill SA is $842 per week, or $43,784 per year.The median household income is $2,317 per week.Family income is $2,364 per week.One Tree Hill is ranked #2,918 by income out of 14,663 Australian suburbs.
How much is rent in One Tree Hill?
Median rent in One Tree Hill SA is $305 per week ($1,322 per month).Rent represents 13.2% of household income, which is considered affordable.One Tree Hill ranks #4,469 out of 14,663 suburbs by rent.
What are mortgage repayments in One Tree Hill?
The median monthly mortgage repayment in One Tree Hill SA is $1,863. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in One Tree Hill?
The median age in One Tree Hill SA is 45 years.This is older than the national median age of 38 years.
Is One Tree Hill a good suburb to live in?
One Tree Hill is a suburb in South Australia with a population of 1,043.The median income is $842/wk, which is above the SA average of $763/wk.Rent affordability is rated as affordable (13.2% 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: 41075. All dollar figures in AUD.