suburb.guide

SA · Mount Barker Council

Biggs Flat, 5153

Est. population · Jun 2025

82

Growth (1 yr)

0.0%

Growth (5 yr)

0.0%

Median age

43

Median income

$1,625/wk

Employment rate

61.5%

Languages at home

4.2%non-English

Mostly English at home

2021 Census · usual residence

  • Green suburb
  • Heritage area
What Biggs Flat is known for: Green suburb, Heritage area

Suburb profile

Biggs Flat is a hillside smaller community in Mount Barker Council, with elevated streets and a greener, quieter pace. Adelaide is reachable when needed, but everyday life stays firmly rooted in the surrounding region. The area suits established families and long-term locals, with a strong presence of young families throughout.

The town centre holds its own, with enough local flavour to make staying close to home appealing. With fewer amenities on hand, neighbouring suburbs do much of the shopping and service heavy lifting. Local parks and tree cover add a welcome outdoor dimension to suburban life.

A car helps for most daily errands, with fewer amenities clustered within an easy walk. Property sits in a premium price band and is harder to enter for many buyers.

At a glance

Biggs Flat snapshot

A quick read of housing, growth, livability, and risk

Median house price

—

No data available

Median rent

—

No data available

Population (ERP)

82

0.0% annual growth

Dwelling vacancy

0.0%

Census unoccupied dwellings

How it compares

Relative standing using percentiles, ranks, and national deciles

Safety

37th

percentile in state (higher = safer)

Pop. growth

8th

percentile in SA

Advantage (IRSAD)

10/10

national SEIFA decile

Population growth

Recent ERP change over 1 and 5 years

Housing mix

Dwelling types from the 2021 Census

Risks & flags

Quick scan — open a section below for full context

Living here

Population

Estimated resident population

82(June 2025)

0.0% annual · 0.0% over 5 years · 8th percentile in SA

Growth figures & methodology
Annual growth
0.0%
5-year growth
0.0%
Change in 1 year
0
Change in 5 years
0
Growth rank in SA
8th percentile

ABS Estimated Resident Population allocated to this suburb from SA2-level data. Not an official ABS suburb count.

Methodology

Figures are allocated from ABS Estimated Resident Population at Statistical Area Level 2 (SA2), using 2021 Census share within overlapping SA2 regions. Where Census data is unavailable, area overlap is used instead.

The dashed chart line is a simple growth-trend estimate to June 2030 (~100), extrapolated at +0.5% average annual growth since 2011. It is illustrative only — not an official ABS forecast.

2021 Census figures

2021 Census

Population
84
Median age
43
Median household income / week
$1,625
Dwelling vacancy
0%
Unoccupied private dwellings
0 of 33
Median monthly mortgage
$2,980
Employment rate
61.5%
Dwelling mix (houses / semi / flats)
29 / 0 / 0

Contributes to desirability score · Community (5%)

Employment, household income and age diversity (2021 Census)

Data sources & freshness

  • 2021 Census — General Community Profile — Australian Bureau of Statistics · Updated

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

  • Estimated Resident Population — Australian Bureau of Statistics · 2025 · Updated · SA2 ERP allocated to suburb boundaries

Community & culture

No 2021 Census cultural diversity data for this suburb yet.

Data sources & freshness

  • 2021 Census — General Community Profile — Australian Bureau of Statistics · Updated

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

Crime & safety

Offence counts & rates
Total offences (2023–24)
2
Against the person
0
Against property
2
Rate per 1,000 residents
24.4
State safety percentile
36.7th (lower crime is better)
Family & domestic abuse offences
23

Most common offence types

  • Sct - Non Residence1
  • Theft/Illegal Use Of Mv1

Contributes to desirability score · Safety (18%)

Crime rate and year-on-year trend

Data sources & freshness

  • SAPOL reported crime statistics — South Australia Police — OpenData · 2023-24; 2023-24 → 2024-25; 2024-25 · Updated · Financial-year releases

Family & Lifestyle

Amenities

2 nearby amenities within ~1.5 km

Local character & venue list

Local character

  • Limited walkable amenities nearby
Walkability proxy
0/100
Cafés per 1,000 residents
0
Food & drink per 1,000 residents
0
Parks per 1,000 residents
0
Other(2)
  • JurliqueCosmetics

    31 Liebelt Road, Biggs Flat

  • Parking

Names and addresses from OpenStreetMap. Unnamed venues show as their type (e.g. Cafe). Transport stops are summarised by type rather than listed individually.

Contributes to desirability score · Lifestyle (15%)

Food, shopping, recreation and sport (OpenStreetMap)

Data sources & freshness

  • Local amenity insights — Suburb Guide (derived) · current · Updated
  • OpenStreetMap amenities — OpenStreetMap contributors · current · Updated

Green cover

Parks & woodland (OSM)
10
Parks (OSM)
0

OpenStreetMap parks and natural woodland features mapped within the suburb boundary.

Contributes to desirability score · Environment (10%)

Parks and green cover (OpenStreetMap)

Data sources & freshness

Health access

Nearest hospital
Mount Barker District Soldiers' Memorial Hospital (8.2 km)
Nearest hospital type
Public Hospital
Nearest hospital emergency
Emergency department

Contributes to desirability score · Accessibility (15%)

Hospitals and GP clinics

Data sources & freshness

  • Hospitals & GP Plus clinics (SA) — SA Health · current · Updated

NDIS participation

NDIS participants (31 March 2026)
2
Participants per 1,000 residents
24.4

Active NDIS participants allocated from NDIA Statistical Area Level 2 (SA2, ASGS 2016) counts to this suburb boundary. Not an official suburb-level NDIS figure · as at 31 March 2026.

For NDIS spend and service-demand exploration by SA2 or postcode, see the Care Sector Demand Map.

Data sources & freshness

Weather

Typical conditions by season for suburbs in the same ~44 km climate area. Rainfall totals are summed from monthly WorldClim layers; rainy-day counts are approximate.

Summer (Dec–Feb)

Usual max / min
29° / 14°
Rainfall
67 mm · ~8 rainy days

Autumn (Mar–May)

Usual max / min
23° / 10°
Rainfall
97 mm · ~12 rainy days

Winter (Jun–Aug)

Usual max / min
16° / 6°
Rainfall
148 mm · ~18 rainy days

Spring (Sep–Nov)

Usual max / min
22° / 9°
Rainfall
119 mm · ~15 rainy days

Contributes to desirability score · Lifestyle (15%)

Temperature and humidity comfort

Data sources & freshness

  • Seasonal climate normals — WorldClim 2.1 · Updated

Future & Planning

Planning & development

Development applications from PlanSA register and EPA licensed activities.

2026· 1 proposal

  • July 2026

  • Detached dwelling (Single storey), outbuilding (garage), wall and associated infrastructure and earthworks
    LOT 33 LIEBELT RD BIGGS FLAT SA 5153Under Assessment
2025· 4 proposals

  • December 2025

  • Swimming pool (in-ground), retaining wall (stone), combined retaining and swimming pool safety features
    63 HAMPTON RD BIGGS FLAT SA 5153Decision Made

  • November 2025

  • Ancillary accommodation
    63 HAMPTON RD BIGGS FLAT SA 5153Decision Made

  • June 2025

  • Outbuilding
    1013 STRATHALBYN RD BIGGS FLAT SA 5153Decision Made

  • February 2025

  • Water Tank (Above Ground – 196,000L)
    1048 STRATHALBYN RD BIGGS FLAT SA 5153Decision Made
2024· 1 proposal

  • March 2024

  • Verandah
    22 CHAPEL HILL RD BIGGS FLAT SA 5153Decision Made
2023· 3 proposals

  • September 2023

  • Tourist Accommodation with associated deck
    192 LIEBELT RD BIGGS FLAT SA 5153Decision Made

  • May 2023

  • Change of use and conversion of existing dwelling to tourist accommodation (maximum four person capacity) and construction of a new dwelling (two storey).
    63 HAMPTON RD BIGGS FLAT SA 5153Under Assessment

  • April 2023

  • Agricultural building (ancillary to farming - rearing of alpacas)
    24 LIEBELT RD BIGGS FLAT SA 5153Decision Made
2022· 5 proposals

  • September 2022

  • Ancillary Accommodation and decking
    53 LIEBELT RD BIGGS FLAT SA 5153Under Assessment

  • June 2022

  • Variation to DA 580/208/2020 for roof mounted solar photovoltaic panels to outbuilding (Retrospective)
    110 KANGAROO REEF RD BIGGS FLAT SA 5153Decision Made

  • May 2022

  • Outbuilding
    1048 STRATHALBYN RD BIGGS FLAT SA 5153Decision Made

  • March 2022

  • Swimming pool and safety fence
    17 HAMPTON RD BIGGS FLAT SA 5153Decision Made

  • February 2022

  • Outbuilding
    63 HAMPTON RD BIGGS FLAT SA 5153Decision Made
2021· 2 proposals

  • October 2021

  • Agricultural building
    192 LIEBELT RD BIGGS FLAT SA 5153Decision Made
  • Deck (9.2m x 5m) and Verandah (skillion roof)
    17 HAMPTON RD BIGGS FLAT SA 5153Decision Made

Contributes to desirability score · Future Growth (7%)

Development and planning activity

Data sources & freshness

Heritage

1 heritage place

  • House, fr Biggs Flat-Echunga Goldfields SchoolAldgate-Strathalbyn Road HAHNDORFLocal heritage

Data sources & freshness

Hazards

Bushfire planning zone
Overlay applies

Bushfire overlay checked at suburb centroid against all current SA Planning risk layers (high, medium, general, urban interface, regional, outback). Safer places from CFS designated locations.

Contributes to desirability score · Safety (18%)

Bushfire hazard overlays

Data sources & freshness

Politics & representation

Federal electorate
Mayo
Member of Parliament
Rebekha SHARKIE (Centre Alliance)
Results from
2025 federal election
Electorate enrolment (2025)
137,818
Turnout (2025)
94.2%
Swing since 2022 (2025)
+3.4 pp toward Labor

Two-party preferred (2025)

Coalition 45.0%Labor 55.0%

Estimated suburb voting profile

Estimated from 8 nearby ordinary polling places (up to 7.0 km away).

Coalition 44.5%Labor 55.5%

0.5 percentage points more Labor-leaning than the electorate

Estimated swing since 2022: +2.8 pp toward Labor

Nearest polling places

  • EchungaLabor 48.7% · Coalition 51.3% TPP (2025)2.9 km away
  • MylorLabor 59.1% · Coalition 40.9% TPP (2025)3.9 km away
  • HahndorfLabor 48.5% · Coalition 51.5% TPP (2025)5.0 km away
  • LongwoodLabor 62.7% · Coalition 37.3% TPP (2025)5.9 km away
  • Mount BarkerLabor 60.5% · Coalition 39.5% TPP (2025)6.7 km away

Federal electorate from AEC federal division boundaries (2025 redistribution). Division-level results are official AEC figures from the latest general election, with by-election updates where applicable. The estimated suburb profile blends up to eight nearest ordinary polling booths in the same electorate using inverse-distance weighting from the suburb centroid — an approximation, not official AEC data. Nearest polling places are shown for reference.

Data sources & freshness

Socio-economic

IRSAD decile (2021)
10/10
IRSD decile (2021)
10/10

ABS Socio-Economic Indexes for Areas (SEIFA), 2021 release — the latest available, derived from the 2021 Census. Deciles rank suburbs nationally from 1 (lowest) to 10 (highest).

What do IRSAD and IRSD measure?

IRSAD — Index of Relative Socio-economic Advantage and Disadvantage. Combines indicators of advantage (e.g. high income, skilled occupations) and disadvantage. Higher decile = more advantaged relative to other Australian areas.

IRSD — Index of Relative Socio-economic Disadvantage. Focuses on disadvantage only (e.g. low income, unemployment, limited education). Higher decile = less disadvantage nationally.

A new SEIFA edition typically follows each census; the ABS has not announced a release date beyond 2021.

Contributes to desirability score · Community (5%)

Socio-economic advantage (IRSAD decile)

Data sources & freshness

More in Mount Barker Council

Other suburbs in the same local government area.

Comparable suburbs

Similar population and socio-economic profile in other parts of South Australia.