Collinsville (SA)
SACollinsville (SA) is a declining suburb in SA with 11 residents.
- SAL code
- 40284
- SA2
- 405021118
- Population
- 11
- LGA
- Goyder
Collinsville (SA), SA had 11 residents at the 2021 Census, with the broader statistical area roughly steady over the last five years. The predominant age group is 45-54 years, and the median age sits at 19. Households are most often couples with children, and those with a mortgage repay a median of $0 a month. The suburb has 1 park or reserve mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?11
Suburb · Census 2021
5-Year Growth
-0.0%
3yr: -0.1% · 10yr: -2.9%
SA2 · 5yr
Household Income
$1,874/wk
Suburb · Census 2021 median
Median Age
19
Suburb · Census 2021
Socio-Economic Index
?2/10
SA2 · more disadvantaged
Unemployment
?7.4%
SA2 · Q4 2025
Hospitals
No data for this suburb
Childcare services
No data for this suburb
Parks & green space
?1
Parks, reserves
Transport stops
No data for this suburb
Dwelling approvals
?1
Goyder · Feb 2026
Median House Sale Price
No data for this suburb
VGV suppresses suburbs with too few sales per quarter
Population over time — Goyder (SA2)
ABS publishes annual estimates only at SA2; Collinsville (SA) suburb alone is ~11 (Census 2021).
Source: ABS ERP (latest release · 2025) · Census 2021. Numbers refreshed quarterly.
Growth at a Glance
Population grew from 4,265 to 4,152 over 24 years, averaging -0.1% per year.
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
People
Median age 19 (young), largest age group 45-54 (46.15384615384615%).
Median age
19
Avg household size
5
Age distribution
69% working-age (15-64) · SA 63%
Highest year of school completed
SA 58%
100.0% completed Year 12 or equivalent
Family composition
Bushfire risk
This suburb falls outside every bushfire polygon mapped by the relevant authority. Always confirm at the property address — local conditions and unmapped overlays can still apply.
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. Source when available: SA DHUD Bushfire Hazards Overlay and DEW Flood Mapping.
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
2 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| RURAL | RuralRural | 93.2% | 395.78 km² |
| CONSERVATION | ConservationEnvironmental | 6.8% | 28.69 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.