Brentwood is a rural locality in South Australia, 220 km from Adelaide CBD, around 2 hours 35 minutes by car. Population is 71; the median age is 49 and the median household income is $69,316 per year. On socioeconomic measures it sits in the lower-middle tier nationally. Population fell 7.8% from 2016 to 2021. The 2021 Census recorded a median rent of $150 per week and a median monthly mortgage of $867. Walkability is low.
This locality is too small to rate.
The Liveability Rating is calculated for suburbs of 500 residents or more, and this one has 71. Below that the school, census and safety figures behind the score cover too few people to rank fairly against the rest of the state. The individual measures further down this page are still shown.
How do you rate the liveability in Brentwood?
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Our score
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Is Brentwood safe? Crime statistics
2026Crime in Brentwood sits in the moderate band, with 1 incidents recorded in 2026.
1 offences
no change since 2024Crime Trend
Serious Road Crashes
2021–20251 crash
where someone was killed or admitted to hospital
Crashes are counted where they happened, so a main road through the locality carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Coastal Erosion
Shoreline Change Summary
1997–2025Nearest Eroding Coastline
- Distance
- 5.2 km
- Rate
- -0.45 m/yr
- Net Movement
- -8.3 m
- Certainty
- likely rocky coastline
Data Quality
Schools
Walkability
Brentwood 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 Brentwood.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 31
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
Yorke Peninsula: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this locality alone — this locality's own population is in the census section above.
Socio-economic profile
Brentwood is home to 71 residents, with a median age of 49, a touch above the national 38. Median household income runs at $69,000 a year, with unemployment at 0.0%.
2021 Census · change since 2016
Population
71
Median Age
49
Median Household Income
$69,316/yr
Census Median Rent
$150/wk
Census Median Mortgage
$867/mo
Avg Household Size
2.7
Median Personal Income
$25,688/yr
Unemployment Rate
0.0%
Unoccupied Dwellings
38.5%
Total Dwellings
26
Owner-Occupier Rate
83.3%
Houses
100.0%
Rental Stress
11.3%
Mortgage Stress
15.0%
Work From Home
44.4%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 91.5%
- English Spoken at Home
- 97.2%
- Employment Rate
- 46.6%
- Completed Year 12
- 39.4%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $1,494 a year through Yorke Peninsula based on 2024 figures.
How this land is zoned
- Rural and farming 99%
- Environmental 1%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the locality around it — the property page shows the zone for one address.
Building Approvals: Yorke Peninsula
In the year to August 2026, 97 new dwellings were approved across Yorke Peninsula. Almost all of the pipeline is detached houses. Approvals are down 18.2% on the same period a year earlier.
Climate & Setting
from Warooka, 17.5 kmDry climate — hot summers, mild winters.
- Elevation
- 20 m
- above sea level, at the locality centre
- Distance to the ocean
- 5.2 km
- Annual rainfall
- 425 mm
- 77 rainy days
- Summer max (Jan)
- 26.9°C
- 13 days ≥ 35°C
- Winter min (Jul)
- 8.1°C
- 0 frost days ≤ 0°C
Elevation is the ground at the locality 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 5575, 3 of 2,730 registered light vehicles are battery-electric on 31 January 2025. A further 1.3% (36 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 1.4%.
Rooftop solar
In postcode 5575, 1,397 rooftop-solar systems totalling 7.8 MW have been installed since 2001, against 2,165 dwellings recorded in the 2021 Census. 76 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.
Federal Electorate
Currently held by Tom Venning Liberal
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Tom Venning | 45.4% | 54.6% | +5.4 |
| 2022 | Rowan Ramsey | 39.9% | 60.1% | -3.2 |
| 2019 | Rowan Ramsey | 36.7% | 63.3% | +5.6 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact locality's voters across time.
State Electorate
Currently held by Chantelle Thomas Pauline Hanson's One Nation
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Chantelle Thomas ON | 50.1% |
| 2022 | Fraser Ellis IND | 58.3% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this locality's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in Brentwood?
Every figure above is a locality 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 71 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.
Nearby suburbs
Compare Brentwood to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
Or jump straight to a nearby comparison:
Common questions about Brentwood
Is Brentwood a safe place to live?
Recorded crime in Brentwood is moderate (45/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect Brentwood?
Brentwood has a low recorded bushfire history (21/100, ranked against every Australian suburb with any fire history). These are locality-wide figures; check the address, as flood and bushfire exposure change street by street.
What is the population of Brentwood?
Brentwood, SA had a population of 71 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Brentwood, SA?
The postcode for Brentwood, SA is 5575.
How far is Brentwood from Adelaide?
Brentwood is 220 km from Adelaide CBD by road, about 157 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Brentwood?
At the 2021 ABS Census, median household income in Brentwood was $69,316 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 Brentwood?
There are too few current rental listings in Brentwood for a reliable median. At the 2021 ABS Census the median weekly rent was $150, across all dwelling types.
What is the median age in Brentwood?
The median age of residents in Brentwood was 49 at the 2021 ABS Census.
Is Brentwood at risk of bushfire?
Brentwood has a low recorded bushfire history (21/100). The score comes from Geoscience Australia's historical bushfire boundaries, with planned burns excluded: the area of recorded fires touching the locality 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.
What is the weather like in Brentwood?
At the nearest Bureau of Meteorology station to Brentwood, Warooka (17.5 km away), summer days average 26.9°C, winter nights 8.1°C, 425 mm of rain a year over 77 rainy days, and 13 days a year above 35°C over 2006-2026.
Is the First Home Owner Grant available in Brentwood?
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 Brentwood belong to?
Brentwood sits within the Yorke Peninsula local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Brentwood?
The average residential rates bill through Yorke Peninsula is $1,494 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Brentwood?
Across Yorke Peninsula, 97 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's down 18.2% 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 Brentwood in?
Brentwood sits within the federal Division of Grey, currently held by Tom Venning (Liberal).
Search another suburb or address
Data freshness
- Census · 2021
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- 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.