Aerial view
Imagery © Esri
The quick read on
Biggs Flat
SA 5153 · Mount Barker
What homes cost, how rents have moved, and a feel for the people who call it home.
- Population
- 84
- Postcode
- 5153
ABS 2021
Biggs Flat, South Australia
Property market insights for Biggs Flat
Median sale price and rental income of properties in Biggs Flat SA
Crime and safety
Is Biggs Flat safe?
The overall rate for Biggs Flat is 2,943 offences per 100,000 residents — 22% below the Greater Adelaide benchmark.
That is the clearest suburb-wide answer. Open the detailed profile to see how the pattern changes across offence types and different parts of Biggs Flat.
Overall crime rate
2,943
offences per 100,000 residents
22% belowGreater Adelaide
Biggs FlatGreater Adelaide: 3,761
Suburb-wide estimate from Microburbs' public crime model; it is not an address-level measure.
The people behind the postcode
Who lives in Biggs Flat?
Biggs Flat SA 5153 is in South Australia, within Greater Adelaide.
84 people call Biggs Flat home, with an average of 2.7 people per household and a median household income of $1,625 a week.
Public ABS 2021 Census figures. The bars compare the local share with the capital-region benchmark.
- Population
- 84
- Median age
- 43 years
- Median mortgage
- $2,980 / month
- 2021 household rent
- $350 / week
Above the benchmarkBelow the benchmarkIn lineGreater Adelaide benchmark
Age profile
Share of residents in each age band.
Under 1525.0%Above
15–3421.4%Below
35–5427.4%Above
55–7428.6%Above
75 and over0.0%Below
Homes
Share of occupied private dwellings.
Separate houses87.9%Above
Townhouses0.0%Below
Apartments0.0%Below
Ownership
Share of homes with a stated ownership or rental status.
Owned outright36.8%Above
Paying a mortgage63.2%Above
Renting0.0%Below
Cars at home
Vehicles available to occupied households.
No car15.4%Above
One car34.6%Below
Two cars30.8%Below
Three or more42.3%Above
Getting to work
Selected ways residents worked or travelled on Census day.
Worked from home15.4%Above
Drove to work59.0%Below
Train, tram or bus0.0%Below
Walked or cycled0.0%Below
What stands out in Biggs Flat
15.4% of workers in Biggs Flat worked from home on Census day — noticeably more common than across Greater Adelaide.
3.6% of Biggs Flat residents were born in New Zealand, about twice the rate across Greater Adelaide.
51.2% of people in Biggs Flat described themselves as having no religion in the 2021 Census.
A closer look at the Census
Questions people ask about Biggs Flat
Open any question for a plain-English reading of the public 2021 Census for Biggs Flat SA 5153.
Is Biggs Flat family-friendly?Age, family structure and household size describe the community families would be joining.
25.0% of Biggs Flat's residents were children under 15 in the 2021 Census. That is well above the Greater Adelaide average.
19 family households lived in Biggs Flat; 52.6% were couple families and 0.0% were one-parent families.
47.4% of local families included children under 15. That is well above the Greater Adelaide average.
These are suburb-wide household figures, not school or childcare ratings.
What is the age profile of Biggs Flat?The balance between younger adults, families and older residents changes how a suburb feels day to day.
Biggs Flat had 84 residents at the 2021 Census.
25.0% of residents were aged 25 to 44.
28.6% were 55 or older. That is close to the Greater Adelaide average.
Age shares use the suburb’s total Census population.
What kind of homes are in Biggs Flat?The dwelling mix shows whether the suburb is mostly detached homes, townhouses or apartments.
Separate houses made up 87.9% of occupied private dwellings in Biggs Flat.
Townhouses and other attached homes represented 0.0% of occupied private dwellings.
Flats and apartments accounted for 0.0% of occupied private dwellings.
All three shares use occupied private dwellings as the denominator.
Do people own or rent in Biggs Flat?Tenure shows how many households own outright, have a mortgage or rent.
36.8% of households with a stated tenure owned their home outright. That is somewhat above the Greater Adelaide average.
63.2% were buying their home with a mortgage.
0.0% rented their home. That is about half the Greater Adelaide rate.
Tenure shares include households that stated one of these three arrangements.
How large are households in Biggs Flat?Household-size data shows the mix behind the suburb-wide average.
The average household in Biggs Flat had 2.7 people.
One-person households made up 10.3% of occupied homes. That is about half the Greater Adelaide rate.
Two-person households represented 48.3%, while 37.9% had four or more usual residents.
Household size counts usual residents in occupied homes.
How do people get to work in Biggs Flat?Census-day travel shows the balance between home, road, public transport and active travel.
15.4% of workers worked from home on Census day. That is somewhat above the Greater Adelaide average.
59.0% drove a car as their only travel method. That is somewhat below the Greater Adelaide average.
0.0% used only a train, tram or bus, while 0.0% walked or cycled.
Travel figures are a 2021 Census-day snapshot.
How many cars do households have in Biggs Flat?Vehicle availability helps describe the routines local households can support.
15.4% of occupied households had no motor vehicle available. That is about twice the Greater Adelaide rate.
One-car households formed 34.6% of the total.
73.1% of households had two or more vehicles.
Vehicle counts refer to occupied households, not individual residents.
Who's moving to Biggs Flat, and who stays?Address history shows how settled or recently mobile residents were at the Census date.
63.9% were at the same address five years earlier, while 36.1% reported a different address.
11.9% of residents were born outside Australia. That is about half the Greater Adelaide rate.
Mobility figures cover residents who answered the relevant Census question.
What languages are spoken in Biggs Flat?Language at home gives a direct view of the community’s everyday linguistic mix.
82.1% of residents used only English at home.
3.6% used a language other than English at home.
0.0% spoke Mandarin at home, 0.0% spoke Cantonese and 0.0% spoke Hindi.
Home language is separate from English proficiency.
Where were Biggs Flat residents born?Birthplace adds another layer to the local story, separate from ancestry and language.
11.9% of Biggs Flat's population was born outside Australia, while roughly 88.1% was born in Australia.
0.0% of residents were born in China.
0.0% were born in India, while Australian citizenship across the whole suburb stood at 83.3%.
Birthplace, citizenship and ancestry describe different parts of identity.
What ancestries shape Biggs Flat?Ancestry responses show how residents describe family and cultural background.
English ancestry accounted for 36.9% of ancestry responses in Biggs Flat.
Australian ancestry made up 40.5% of responses.
Chinese ancestry represented 0.0% of responses.
People may nominate more than one ancestry, so these are shares of responses.
What work do people do in Biggs Flat?Occupation describes a person’s role; industry describes the sector employing them.
15.4% of employed residents worked in professional occupations. That is well below the Greater Adelaide average.
Managers accounted for 41.0% of employed residents, while clerical and administrative workers made up 0.0%.
Health care and social assistance employed 7.7% of workers, and education and training employed 10.3%.
Occupation and industry figures describe employed residents of the suburb.
How active is the workforce in Biggs Flat?Participation, employment pattern and unemployment describe the resident labour force.
The labour-force participation rate was 66.2%, compared with 61.7% across Greater Adelaide.
37.9% of residents aged 15 and over worked full time, while 21.2% worked part time.
Unemployment was 7.0%, compared with 5.5% across Greater Adelaide.
Labour-force figures come from the 2021 Census.
What does the health profile of Biggs Flat show?Selected long-term health conditions help describe community service needs.
50.0% reported no selected long-term health condition.
9.5% reported a long-term mental health condition, including depression or anxiety.
7.1% reported asthma, 10.7% arthritis and 0.0% diabetes excluding gestational diabetes.
These are self-reported suburb-wide Census figures, not address-level health risks.
How educated is Biggs Flat?Qualifications describe the study pathways represented among local residents.
29.3% of people in the qualifications table held a bachelor degree. That is close to the Greater Adelaide average.
Postgraduate degrees accounted for 7.3% of qualification responses.
Diploma-level qualifications represented 22.0%, while certificate-level qualifications represented 19.5%.
Qualification categories are reported separately and are not school ratings.
What do incomes and housing costs look like in Biggs Flat?Census income and household payments give historical context for local living costs.
Median household income was $1,625 per week in the 2021 Census.
The median monthly mortgage repayment reported by local households was $2,980.
Occupied renting households reported a median rent of $350 per week.
These household figures are from 2021; current sale and asking-rent medians appear in the market section.
How does Biggs Flat compare with Greater Adelaide?A few clear differences place the suburb in its wider metropolitan context.
Working from home was 15.4% in Biggs Flat, compared with 9.8% across Greater Adelaide.
Outright ownership was 36.8% locally and 32.1% across Greater Adelaide. That is somewhat above the Greater Adelaide average.
Renting accounted for 0.0% in Biggs Flat, against 29.5% across Greater Adelaide.
Capital-region comparisons use the same Census definitions and year.
Three useful questions
A buyer’s quick guide to Biggs Flat
Is Biggs Flat expensive?
There is not yet enough consistent market data for a dependable house median. The nearby suburb links make it easier to compare the wider market while local observations build.
Is Biggs Flat good for families?
The Census counted 19 local families, and 25.0% of residents were under 15. That describes the community; school quality, travel times and the right fit for a particular family need separate research.
What can I get for $1.5m in Biggs Flat?
The free data does not have a dependable bedroom breakdown for this suburb. Compare the current house and unit medians above, then use live listings to see what a $1.5m budget buys today.
Medians describe recorded market activity across the suburb; they are historical context, not a valuation or forecast for an individual home.
Explore the area
Streets and suburbs around Biggs Flat
7 streets in Biggs Flat
Street-by-street reports are not published yet. The streets below are the ones this suburb covers.
- Chapel Hill Rd
- Echunga Rd
- Golden Vsta
- Hampton Rd
- Kangaroo Reef Rd
- Liebelt Rd
- Strathalbyn Rd
12 suburbs surrounding Biggs Flat
Compare nearby suburb prices, rents and five-year market trends.
Keep exploring
Is Biggs Flat right for your search?
Use the finders to compare places and properties, or open the full report when you need the street, risk, schools and growth research.
Read the thinking
Figures update as new market and census data arrives. This suburb overview is general information, not a valuation or financial advice.