Marion Bay (SA)
SAMarion Bay (SA) is a growing suburb in SA with 210 residents.
- SAL code
- 40831
- SA2
- 405041128
- Population
- 210
- LGA
- Yorke Peninsula
Marion Bay (SA), SA had 210 residents at the 2021 Census, with the broader statistical area showing a 8.3% growth over the last five years. The predominant age group is 55-64 years, and the median age sits at 54. Households are most often couples without children, and those with a mortgage repay a median of $867 a month. Around 78.4% of homes are owner-occupied, with the largest single tenure being owned outright at 52.3%. Most dwellings are separate houses, making up 100.0% of the suburb's housing stock. The suburb has 16 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?210
Suburb · Census 2021
5-Year Growth
+8.3%
3yr: +5.3% · 10yr: +11.3%
SA2 · 5yr
Household Income
$838/wk
Suburb · Census 2021 median
Median Age
54
Suburb · Census 2021
Socio-Economic Index
?2/10
SA2 · more disadvantaged
Unemployment
?7.0%
SA2 · Q4 2025
Schools
1
in suburb
Hospitals
No data for this suburb
Childcare services
No data for this suburb
Parks & green space
?16
Parks, reserves
Transport stops
No data for this suburb
Dwelling approvals
?10
Yorke Peninsula · Feb 2026
Median House Sale Price
No data for this suburb
VGV suppresses suburbs with too few sales per quarter
Safety & Crime
2025 Q4Reported incidents from SA police. Offence rates may not reflect all crime.
Population over time — Yorke Peninsula - South (SA2)
ABS publishes annual estimates only at SA2; Marion Bay (SA) suburb alone is ~210 (Census 2021).
Source: ABS ERP (latest release · 2025) · Census 2021. Numbers refreshed quarterly.
Growth at a Glance
Population grew from 4,171 to 4,489 over 24 years, averaging 0.3% per year.
Schools
1 in suburbSector
1 public
Type
—
Total enrolment
—
Avg per school
—
Government school catchment
Catchment data is not yet available for SA.
Source when available: SA Department for Education — School Zones (primary + high).
Profile
Census snapshot
Housing
Almost entirely detached houses (100%), owner-occupied (78.4%), built for families (49% are 3 bed).
Dwelling mix
Tenure
SA 28%
Number of bedrooms
Bushfire risk
Source: SA DHUD Bushfire Protection Areas
As of May 2026
Overlap is the percentage of the suburb's land area inside the mapped bushfire polygons. Always verify the exact property address with the relevant authority before making decisions.
Flood risk
Source: SA DEW Flood Mapping
As of May 2026
Overlap is the percentage of the suburb's land area inside the mapped flood polygons. Always verify the exact property address with the relevant authority before making decisions.
Planning zones
5 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| RURAL | RuralRural | 80.4% | 241.60 km² |
| CONSERVATION | ConservationEnvironmental | 18.8% | 56.44 km² |
| RURAL_LIVING | Rural LivingRural | 0.3% | 0.78 km² |
| RURAL_SETTLEMENT | Rural SettlementRural | 0.3% | 0.75 km² |
| COASTAL_WATERS_AND_OFFSHORE_ISLANDS | Coastal Waters and Offshore IslandsWaterway | 0.1% | 0.42 km² |
Source: SA Planning and Design Code Zones (ZONE_SA/2026-04-30/7965b1556505eb71) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.