Suburbs Biggs Flat

South Australia · Suburb Profile

Biggs Flat SA — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Biggs Flat, South Australia. ABS Census 2021.

The population of Biggs Flat SA is 84 according to the 2021 Census. The median personal income in Biggs Flat is $756 per week ($39,312 per year). Median rent in Biggs Flat is $350 per week ($1,517 per month). Biggs Flat has a median age of 43 years, older than the national median of 38. Biggs Flat has a population density of 17.5 people per km².

The most common religion is No Religion (54% of residents). The median monthly mortgage repayment in Biggs Flat is $2,980.

There were 1 recorded offences in Biggs Flat in 2025-26, a rate of 12 offences per 1,000 people. The most common offence category was fraud (1 offences).

Biggs Flat Map

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📍 Biggs Flat, South Australia — 35.0720°S, 138.7822°E

Crime: Low Med High 🏫 Schools (1)

Biggs Flat Population

0
residents (Census 2021)

Biggs Flat Median Income & Rent

💰
Median Income
$756/wk
$39,312 per year
🏠
Median Rent
$350/wk
$1,517 per month
👤
Median Age
43years
5 years older than national median
🏡
Mortgage
$2,980/mo
Avg household size: 2.7 · 0.8 per bedroom

Biggs Flat Demographics

Gender Split

Male 46.8% (37) Female 53.2% (42)

Population Density

17.5
people per km²
84 people · 4.8 km²

Households

2.7
Avg household size
0.8
Persons per bedroom
$2,250
Family income/wk

Biggs Flat Age Distribution

0-4
10-14
15-19
20-24
25-29
35-39
40-44
50-54
55-59
60-64
65-69
♂ Male ♀ Female

Source: ABS Census 2021 — Suburb & Locality (SAL)

Biggs Flat Housing Tenure

🏠
Owned outright
36.8% 7 dwellings
🏦
Owned with mortgage
63.2% 12 dwellings

Source: ABS Census 2021 — Suburb & Locality (SAL)

Biggs Flat Country of Birth

Australia
100.0%

Source: ABS Census 2021 G09 — Country of Birth by SAL

Biggs Flat Religion

No Religion
53.8%
Not stated
13.8%
Catholic
11.3%
Uniting Church
8.8%
Lutheran
5.0%
Anglican
3.8%
Christinty Prsbytrin Refrmd
3.8%

Source: ABS Census 2021 G14 — Religion by SAL

Biggs Flat Education Level

Year 12 or equivalent
75.0%
Year 11 or equivalent
19.2%
Year 10 or equivalent
5.8%

Source: ABS Census 2021 G16 — Highest Year of School by SAL

Biggs Flat Employment

💼
Employed full-time
37.7% 20 people
⏰
Employed part-time
22.6% 12 people
🔍
Unemployed
9.4% 5 people
🏠
Not in labour force
30.2% 16 people

Source: ABS Census 2021 G46 — Labour Force Status by SAL

Biggs Flat Qualifications

Advanced Diploma/Diploma
45.0%
Bachelor Degree
25.0%
Postgraduate Degree
15.0%
Certificate III/IV
15.0%

Source: ABS Census 2021 G49 — Non-School Qualification by SAL

Biggs Flat Occupation

Managers
37.5%
Professionals
16.7%
Technicians & Trade Workers
16.7%
Community & Personal Service
16.7%
Clerical & Administrative
12.5%

Source: ABS Census 2021 G51 — Industry of Employment by Occupation

Biggs Flat Field of Study

Management & Commerce
52.6%
Engineering
31.6%
Natural & Physical Sciences
15.8%

Source: ABS Census 2021 G51 — Field of Study by SAL

Biggs Flat Dwelling Types

Separate house
100.0%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Biggs Flat Weekly Household Income

$500-$649/wk
15.0%
$650-$799/wk
15.0%
$800-$999/wk
25.0%
$4,000+/wk
45.0%

Source: ABS Census 2021 G33 — Household Income by SAL

Biggs Flat Marital Status

💍
Married
63.6% 42
📋
Divorced
7.6% 5
👤
Never married
28.8% 19

Source: ABS Census 2021 G05 — Marital Status by SAL

Biggs Flat Ancestry

Australian
35.1%
English
32.0%
German
7.2%
Scottish
5.2%
Dutch
4.1%
Italian
4.1%
Serbian
4.1%
South African
4.1%
Welsh
4.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

Biggs Flat School & University Attendance

Pre-school
40.0%
Primary — Other Non-Govt
30.0%
Secondary — Other Non-Govt
30.0%

Source: ABS Census 2021 G15 — Type of Educational Institution by SAL

Biggs Flat Need for Assistance

✅
No need for assistance
100.0% 146

Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL

Biggs Flat Volunteering

🤝
Volunteer
27.8% 15
—
Not a volunteer
72.2% 39

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Biggs Flat Monthly Mortgage Repayments

$1,800-$2,399/mo
25.0%
$2,400-$2,999/mo
50.0%
$3,000-$3,999/mo
25.0%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Biggs Flat How People Get to Work

Car (driver)
76.7%
Did not go to work
23.3%

Source: ABS Census 2021 G62 — Method of Travel to Work by SAL

Biggs Flat Car Ownership

0 vehicles
12.5%
1 vehicle
28.1%
2 vehicles
25.0%
3 vehicles
15.6%
4+ vehicles
18.8%

Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL

Biggs Flat Number of Bedrooms

2 bedrooms
26.7%
3 bedrooms
30.0%
4 bedrooms
33.3%
5 bedrooms
10.0%

Source: ABS Census 2021 G41 — Number of Bedrooms by SAL

Biggs Flat Population Mobility

14.1%
moved in the last year
36.1%
moved in the last 5 years
7.0%
unemployment rate (Census)
66.2%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Biggs Flat Indigenous Population

0.0%
Aboriginal & Torres Strait Islander
0
Indigenous residents
137
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Biggs Flat Long-term Health Conditions

Mental health
4

Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL

Biggs Flat Personal Weekly Income Distribution

$0 or less/wk
13.6%
$1-$149/wk
6.8%
$150-$299/wk
8.5%
$300-$399/wk
8.5%
$650-$799/wk
16.9%
$1,500-$1,749/wk
6.8%
$3,000-$3,499/wk
10.2%
$3,500+/wk
28.8%

Source: ABS Census 2021 G17 — Personal Income by SAL

Biggs Flat Family Structure

Couple — children under 15
42.4%
Couple — no children
33.3%
Couple — no children under 15
19.7%
One parent — children under 15
4.5%

Source: ABS Census 2021 G29 — Family Composition by SAL

Biggs Flat Military Service

🏅
Previously served
6.7% 4
👤
Never served
93.3% 56

Source: ABS Census 2021 G22 — ADF Service by SAL

Biggs Flat Unpaid Carers

🤲
Provided unpaid assistance
7.0% 4
—
Did not provide
93.0% 53

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Biggs Flat Children Ever Born

No children
36.4%
2 children
36.4%
3 children
27.3%

Source: ABS Census 2021 G28 — Children Ever Born by SAL

Biggs Flat When Migrants Arrived

1981–1990
4

Source: ABS Census 2021 G10 — Year of Arrival by SAL

Biggs Flat Unpaid Domestic Work

Less than 5 hours
25.0%
5–14 hours
28.6%
15–29 hours
19.6%
30+ hours
12.5%
Did not do domestic work
14.3%

Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL

Biggs Flat Household Size

1 person
9.7%
2 persons
45.2%
3 persons
9.7%
4 persons
35.5%

Source: ABS Census 2021 G35 — Household Size by SAL

Biggs Flat Where Residents Moved From

Same address
61
Moved from SA
10

Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL

Biggs Flat Family Blending

Intact family — no other children
100.0%

Source: ABS Census 2021 G31 — Family Blending by SAL

Biggs Flat Crime Statistics

Reported offences in 2025-26 — 1 total

Fraud
1

Offence trend by year:

2021
2023
2025

Source: SA Government Open Data — data.sa.gov.au

Biggs Flat Schools

1
schools nearby
1
government
1042
avg ICSEA score
149
total students
Echunga Primary and Preschool Government
Primary · R-6 · 149 students
1042
ICSEA

Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).

View all schools in Biggs Flat with map →

Biggs Flat Rent Prices & Affordability

22%
of income
Affordable
Household Income $1,625/wk
Median Rent $350/wk
Rent-to-Income 21.5%

Rent is under 25% of household income — generally considered affordable.

If you earn X in Biggs Flat

≈ $7,042/month
Median rent $350/wk
Left after rent $1,275/wk
Rent share 21.5%

Cheaper alternatives with similar incomes

Keith
Income: $746/wk Rent: $180/wk Save: $170/wk
Port Pirie South
Income: $616/wk Rent: $200/wk Save: $150/wk
Queenstown (SA)
Income: $623/wk Rent: $270/wk Save: $80/wk
Kensington (SA)
Income: $797/wk Rent: $300/wk Save: $50/wk
Lobethal
Income: $759/wk Rent: $310/wk Save: $40/wk
Ridgehaven
Income: $688/wk Rent: $320/wk Save: $30/wk
Birdwood (SA)
Income: $776/wk Rent: $320/wk Save: $30/wk
Glenside
Income: $761/wk Rent: $326/wk Save: $24/wk

Biggs Flat vs State & National Average

Nearby Suburbs in SA

Comaum
Pop: 42 Income: $1,021/wk Rent: $92/wk
Bool Lagoon
Pop: 42 Income: $1,036/wk Rent: $100/wk
Hilltown
Pop: 42 Income: $900/wk Rent: $165/wk
Kapinnie
Pop: 42 Income: $687/wk Rent: $275/wk
Punthari
Pop: 42 Income: $450/wk Rent: $180/wk
Blinman
Pop: 43 Income: $1,047/wk Rent: $114/wk

Compare Biggs Flat

Biggs Flat vs Comaum →Biggs Flat vs Bool Lagoon →Biggs Flat vs Hilltown →Biggs Flat vs Kapinnie →

Frequently Asked Questions About Biggs Flat

What is the population of Biggs Flat SA?

The population of Biggs Flat SA is 84 according to the ABS Census 2021.The suburb has a population density of 17.5 people per km².

What is the median income in Biggs Flat?

The median personal income in Biggs Flat SA is $756 per week, or $39,312 per year.The median household income is $1,625 per week.Family income is $2,250 per week.

How much is rent in Biggs Flat?

Median rent in Biggs Flat SA is $350 per week ($1,517 per month).Rent represents 21.5% of household income, which is considered affordable.

What are mortgage repayments in Biggs Flat?

The median monthly mortgage repayment in Biggs Flat SA is $2,980. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Biggs Flat?

The median age in Biggs Flat SA is 43 years.This is older than the national median age of 38 years.

Is Biggs Flat a good suburb to live in?

Biggs Flat is a suburb in South Australia with a population of 84.The median income is $756/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (21.5% of household income). See the full suburb profile above for detailed statistics.

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Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 40105. All dollar figures in AUD.