One Tree Hill is a town in South Australia, 31 km from Adelaide CBD, around 36 minutes by car. Population is 1,043; the median age is 45 and the median household income is $120,484 per year. On socioeconomic measures it sits in the top 40% nationally. Population fell 4.7% from 2016 to 2021. The 2021 Census recorded a median rent of $305 per week and a median monthly mortgage of $1,863. 1 school sits within the town boundary, and walkability is low.
Is One Tree Hill a good town?
One Tree Hill scores a B (51/100) on SuburbScan's Liveability grade — strong on community.
Mixed results
1 school
Some car dependence
Walkability 0/100 · 30.8 km · 36 min drive to Adelaide
Around the state median
Median $1.43M
Moderate bushfire risk
Fire 53/100 · Crime 32/100 · Flood 33/100
Advantaged
SEIFA decile 8/10 · median age 45 · 1,043 residents
Liveability Rating
51 / 100 · Ranked #248 in SAEach bar is One Tree Hill's rank among SA suburbs, from 0 to 100 (higher is better). Scored on 4 of 5 factors: no school data, so the other factors carry its weight.
How do you rate the liveability in One Tree Hill?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
51 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataOne Tree Hill's house market is moving higher: the median sale price reached $1.43 million, roughly 26% above where it sat a year earlier.
$1,427,500
Based on 14 recorded sales in the last 24 months.
Typically sold in 59 days — median across 8 sales that recorded a listing period
By bedrooms
- 4 bed 6 sales $1.43M
Rental Market
Rental affordability
June quarter 2025110 Moderately unaffordable · the average rental household in this region would pay about 27% of its income on the median rent in postcode 5114.
SGS Rental Affordability Index: a score of 100 means rent takes 30% of income, the usual housing-stress line; lower scores are less affordable. "Region" is the capital city or the rest of the state.
Is One Tree Hill safe? Crime statistics
2026Crime in One Tree Hill sits in the low band, with 17 incidents recorded in 2026 — down roughly 43% on the prior year.
17 offences
43.3% since 2025Crime Trend
Serious Road Crashes
2021–20258 crashes
where someone was killed or admitted to hospital, 2 of them fatal
Crashes are counted where they happened, so a main road through the town carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Schools
One school serve One Tree Hill, and performance is broadly on par with peer-suburb schools.
- • 255 students in one school (avg 255)
Primary
Walkability
One Tree Hill is very car-dependent on foot — at 0/100, nearly all errands require a car.
We hold no public transport timetable data for this area, so public transport is not rated here and the score is spread across the remaining components. It is not counted as zero.
NBN connectivity
The internet access technology available across NBN premises in One Tree Hill.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 392
NBN Co fixed-line and fixed-wireless premises, as at 30 December 2025. Higher-quality technologies (full fibre) score above copper, wireless, and satellite. Actual speeds depend on your plan.
Amenities
Playford: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this town alone — this town's own population is in the census section above.
Socio-economic profile
The ABS scores 4 small areas inside this town and averages them into the single decile above. They fall into 2 different deciles — a narrow range, so the average describes the town closely.
One Tree Hill is home to about 1,000 residents, with a median age of 45, a touch above the national 38. Median household income runs at $120,000 a year, with unemployment at 3.5%.
2021 Census · change since 2016
Population
1,043
Median Age
45
Median Household Income
$120,484/yr
Census Median Rent
$305/wk
Census Median Mortgage
$1,863/mo
Avg Household Size
3.0
Median Personal Income
$43,784/yr
Unemployment Rate
3.5%
Unoccupied Dwellings
3.6%
Total Dwellings
335
Owner-Occupier Rate
95.3%
Houses
100.0%
Rental Stress
13.2%
Mortgage Stress
18.6%
Work From Home
11.2%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 75.5%
- English Spoken at Home
- 90.4%
- Employment Rate
- 66.1%
- Completed Year 12
- 38.9%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
When They Arrived
Share of all residents by the year they arrived in Australia. Periods cover different numbers of years, so compare the shape rather than the bar widths.
6 residents (0.6%) arrived since 2016. Australia’s borders were closed to most arrivals from March 2020, so the last two years of that period are much smaller than the ones before them — nationally 260,799 people arrived in 2019 against 28,521 in 2021.
Languages Spoken at Home
Top languages other than English, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
8% of employed residents work in a capital's city centre (47 of 574).
City centre: the ABS area around each capital's CBD, such as Sydney Inner City or Perth City (which takes in Subiaco and Leederville). 2021 Census place of work.
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $2,101 a year through Playford based on 2024 figures.
How this land is zoned
- Environmental 97%
- Residential 3%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the town around it — the property page shows the zone for one address.
Building Approvals: Playford
In the year to August 2026, 2,475 new dwellings were approved across Playford. That mix is 2,182 houses and 293 units. Approvals are up 65.0% on the same period a year earlier.
Air Quality
MODERATEPM2.5 averaged 5.5 µg/m³ in 2025 — below Australia's NEPM annual standard (8 µg/m³), slightly above the stricter WHO guideline (5 µg/m³). 1 day exceeded the daily threshold of 25 µg/m³.
PM10 averaged 18.7 µg/m³ · NO₂ averaged 0.31 pphm. Days over the limit in 2025: PM10 5 · NO₂ 0 · ozone 0.
From the Elizabeth monitoring station, 7.2 km away.
Climate & Setting
from Edinburgh RAAF, 11.6 kmDry climate — hot summers, mild winters.
- Elevation
- 231 m
- above sea level, at the town centre
- Distance to the ocean
- 19.3 km
- Near high-voltage lines
- 3.6% of addresses
- 16 within 100 m of an overhead line of 110 kV or more
- Annual rainfall
- 404 mm
- 67 rainy days
- Summer max (Jan)
- 30.0°C
- 28 days ≥ 35°C
- Winter min (Jul)
- 6.6°C
- 1 frost days ≤ 0°C
Elevation is the ground at the town centre, from Geoscience Australia's National Digital Elevation Model. Approximate — it reads high in dense built-up areas. It is a measure of height above sea level and not an indicator of flood risk, which depends on height above nearby waterways.
EV adoption
In postcode 5114, 100 of 27,277 registered light vehicles are battery-electric on 31 January 2025. A further 2.2% (603 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 2.6%.
Rooftop solar
In postcode 5114, 9,401 rooftop-solar systems totalling 57.1 MW have been installed since 2001, against 13,298 dwellings recorded in the 2021 Census. 582 went up in the last year.
Counts every system certified since 2001, so a roof re-fitted with a newer system is counted twice, and small commercial systems are included alongside houses — useful for comparing postcodes, not an estimate of how many homes have working panels today.
2026 covers part of the year only, to 2026-07.
First Home Owner Grant
FY2026-27$15,000 for new homes.
No purchase-price cap. Stamp duty is fully exempted for eligible first-home buyers as a separate concession.
Mortgage repayments
4 mortgage brokers are registered in postcode 5114.
Conveyance duty at the owner-occupier rate, and it excludes first home buyer concessions — those can cut it substantially or remove it entirely. Excludes legal, inspection and lender fees. Check with RevenueSA
A deposit under 20% usually attracts Lenders Mortgage Insurance, which this doesn't include.
Principal and interest over 30 years, fixed rate. Excludes fees, offset, redraw and LMI. Default rate is the median comparison rate across 1788 advertised products as at 2026-10-27 — indicative only, and not an offer. Your rate depends on the lender, your deposit and your circumstances. Not financial advice.
Federal Electorate
Currently held by Matt Burnell Australian Labor Party
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Matt Burnell | 65.3% | 34.7% | +2.4 |
| 2022 | Matt Burnell | 62.9% | 37.1% | +1.2 |
| 2019 | Nick Champion | 64.1% | 35.9% | +3.0 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact town's voters across time.
State Electorate
Currently held by Rhiannon Pearce Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Rhiannon Pearce ALP | 55.2% |
| 2022 | Rhiannon Pearce ALP | 52.9% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this town's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in One Tree Hill?
Every figure above is a town average, and an average smooths over the difference between a street of family homes and a block of flats. Look up one address and you get the census for the few hundred people around it, its own nearest schools and stops, and what the state has mapped for that block.
- The census for a few hundred neighbours, not all 1,043 residents
- Nearest and zoned schools, with the walk from that door
- Flood, bushfire and noise mapping, where the state publishes it
Free to look up. Subscribers see every section in full — $29/month.
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Checking the whole city?
Suburbs to avoid in Adelaide There is no list of bad suburbs, but there are hazards the state measures and publishes — recorded crime, bushfire exposure, flood overlays and aircraft noise. Adelaide suburbs ranked on them, with what the numbers do and don't mean.Nearby suburbs
Compare One Tree Hill to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
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Common questions about One Tree Hill
Is One Tree Hill a safe place to live?
Recorded crime in One Tree Hill is low (32/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect One Tree Hill?
One Tree Hill has a moderate recorded bushfire history (53/100, ranked against every Australian suburb with any fire history). Flood overlays cover a low share of it (33/100). These are town-wide figures; check the address, as flood and bushfire exposure change street by street.
Is One Tree Hill a good place to live?
One Tree Hill has a SuburbScan Liveability grade of B (51/100), ranked against other SA suburbs on school quality (25%), safety (25%), SEIFA socio-economic advantage (25%), walkability (15%) and CBD access (10%). Whether it suits you depends on what you weigh — each of those is on this page.
What is the population of One Tree Hill?
One Tree Hill, SA had a population of 1,043 at the 2021 Australian Bureau of Statistics census.
What is the postcode for One Tree Hill, SA?
The postcode for One Tree Hill, SA is 5114.
How far is One Tree Hill from Adelaide?
One Tree Hill is 31 km from Adelaide CBD by road, about 36 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in One Tree Hill?
At the 2021 ABS Census, median household income in One Tree Hill was $120,484 a year. It is the most recent suburb-level income figure until 2026 Census results are released in 2027.
What is the median weekly rent in One Tree Hill?
There are too few current rental listings in One Tree Hill for a reliable median. At the 2021 ABS Census the median weekly rent was $305, across all dwelling types.
What is the median age in One Tree Hill?
The median age of residents in One Tree Hill was 45 at the 2021 ABS Census.
Is One Tree Hill at risk of bushfire?
One Tree Hill has a moderate recorded bushfire history (53/100). The score comes from Geoscience Australia's historical bushfire boundaries, with planned burns excluded: the area of recorded fires touching the town relative to its size, ranked against every Australian suburb with any fire history. It records where fire has burned, not a bushfire-prone land designation, which your council's planning scheme sets.
How are the schools in One Tree Hill?
There is 1 school inside the One Tree Hill boundary: 1 at similar schools on NAPLAN, compared with same-state, same-type schools of similar socio-educational advantage (ICSEA).
What is the air quality in One Tree Hill?
The nearest government air-quality monitoring station to One Tree Hill (Elizabeth) recorded a 2025 annual mean PM2.5 of 5.5 µg/m³ and PM10 of 18.7 µg/m³. That puts One Tree Hill below the Australian NEPM annual standard of 8 µg/m³ but above the stricter WHO guideline of 5 µg/m³.
What is the weather like in One Tree Hill?
At the nearest Bureau of Meteorology station to One Tree Hill, Edinburgh RAAF (11.6 km away), summer days average 30°C, winter nights 6.6°C, 404 mm of rain a year over 67 rainy days, and 28 days a year above 35°C over 2006-2026.
Is the First Home Owner Grant available in One Tree Hill?
First-home buyers in SA may be eligible for $15,000 towards new homes. The grant is administered by RevenueSA; confirm current eligibility before signing a contract — state rules and amounts can change.
What council does One Tree Hill belong to?
One Tree Hill sits within the Playford local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in One Tree Hill?
The average residential rates bill through Playford is $2,101 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near One Tree Hill?
Across Playford, 2,475 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's up 65.0% on the same period a year earlier. These are LGA-level totals — every suburb in the council shares the same figure.
Which federal electorate is One Tree Hill in?
One Tree Hill sits within the federal Division of Spence, currently held by Matt Burnell (Australian Labor Party).
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Data freshness
- Census · 2021
- Median sale prices · Oct 2026
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- Air quality · 2025
- Climate · 2006–2026
- Socio-economic (SEIFA) · 2021
- EV adoption · Jan 2025
- First Home Owner Grant · Sep 2026
- Federal electorate · 2025
- State electorate · 2026
- Amenities · Sep 2026
- Health & emergency facilities · Sep 2026
- Industrial emissions (NPI) · 2024/2025
- Coastal erosion · 1988–2025
- Aircraft noise · 2024
Vintages show when each source's data is from. See all data sources.
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.