Hay Flat SA 5204
Hay Flat is a rural locality in South Australia, 102 km from Adelaide CBD, around 1 hour 50 minutes by car. Population is 72; the median age is 48 and the median household income is $61,724 per year. On socioeconomic measures it sits in the middle range nationally. Population grew 46.9% from 2016 to 2021. The 2021 Census recorded a median rent of $200 per week and a median monthly mortgage of $1,634. The area shows no recorded bushfire exposure. Walkability is low.
This locality is too small to rate.
The Liveability Rating is calculated for suburbs of 500 residents or more, and this one has 72. Below that the school, census and safety figures behind the score cover too few people to rank fairly against the rest of the state. The individual measures further down this page are still shown.
How do you rate the liveability in Hay Flat?
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Our score
Not enough data to score this locality.
Residents say
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Rental Market
Rental affordability
June quarter 202591 Unaffordable · the average rental household in this region would pay about 33% of its income on the median rent in postcode 5204.
SGS Rental Affordability Index: a score of 100 means rent takes 30% of income, the usual housing-stress line; lower scores are less affordable. "Region" is the capital city or the rest of the state.
Is Hay Flat safe? Crime statistics
2026Crime in Hay Flat sits in the moderate band, with 3 incidents recorded in 2026.
3 offences
no change since 2025Crime Trend
Serious Road Crashes
2021–2025No crash in Hay Flat killed anyone or put anyone in hospital in 2021–2025.
Crashes are counted where they happened, so a main road through the locality carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Schools
Walkability
Hay Flat is very car-dependent on foot — at 10/100, nearly all errands require a car.
We hold no public transport timetable data for this area, so public transport is not rated here and the score is spread across the remaining components. It is not counted as zero.
NBN connectivity
The internet access technology available across NBN premises in Hay Flat.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 31
NBN Co fixed-line and fixed-wireless premises, as at 30 December 2025. Higher-quality technologies (full fibre) score above copper, wireless, and satellite. Actual speeds depend on your plan.
Amenities
Yankalilla: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this locality alone — this locality's own population is in the census section above.
Socio-economic profile
Hay Flat is home to 72 residents, with a median age of 48, a touch above the national 38. Median household income runs at $62,000 a year, with unemployment at 10.8%.
2021 Census · change since 2016
Population
72
Median Age
48
Median Household Income
$61,724/yr
Census Median Rent
$200/wk
Census Median Mortgage
$1,634/mo
Avg Household Size
2.5
Median Personal Income
$29,900/yr
Unemployment Rate
10.8%
Unoccupied Dwellings
17.9%
Total Dwellings
28
Owner-Occupier Rate
100.0%
Houses
100.0%
Rental Stress
16.8%
Mortgage Stress
31.8%
Work From Home
35.7%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 86.1%
- English Spoken at Home
- 95.8%
- Employment Rate
- 62.1%
- Completed Year 12
- 38.9%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $2,546 a year through Yankalilla based on 2024 figures.
How this land is zoned
- Rural and farming 100%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the locality around it — the property page shows the zone for one address.
Building Approvals: Yankalilla
In the year to August 2026, 58 new dwellings were approved across Yankalilla. That mix is 54 houses and 4 units. Approvals are down 55.0% on the same period a year earlier.
Climate & Setting
from Myponga, 18.4 kmModerate rainfall.
- Elevation
- 171 m
- above sea level, at the locality centre
- Distance to the ocean
- 4.9 km
- Annual rainfall
- 786 mm
- 112 rainy days
- Summer max (Jan)
- —
- Winter min (Jul)
- —
Elevation is the ground at the locality centre, from Geoscience Australia's National Digital Elevation Model. Approximate — it reads high in dense built-up areas. It is a measure of height above sea level and not an indicator of flood risk, which depends on height above nearby waterways.
EV adoption
In postcode 5204, 22 of 3,374 registered light vehicles are battery-electric on 31 January 2025. A further 1.7% (58 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 2.4%.
Rooftop solar
In postcode 5204, 1,932 rooftop-solar systems totalling 11.2 MW have been installed since 2001, against 3,045 dwellings recorded in the 2021 Census. 89 went up in the last year.
Counts every system certified since 2001, so a roof re-fitted with a newer system is counted twice, and small commercial systems are included alongside houses — useful for comparing postcodes, not an estimate of how many homes have working panels today.
2026 covers part of the year only, to 2026-07.
First Home Owner Grant
FY2026-27$15,000 for new homes.
No purchase-price cap. Stamp duty is fully exempted for eligible first-home buyers as a separate concession.
Federal Electorate
Currently held by Rebekha Sharkie Centre Alliance
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Rebekha Sharkie | 55.0% | 45.0% | +3.4 |
| 2022 | Rebekha Sharkie | 51.6% | 48.4% | -4.1 |
| 2019 | Rebekha Sharkie | 47.5% | 52.5% | -0.7 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact locality's voters across time.
State Electorate
Currently held by Jenni Mitton Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Jenni Mitton ALP | 56.6% |
| 2022 | Leon Bignell ALP | 63.8% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this locality's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in Hay Flat?
Every figure above is a locality average, and an average smooths over the difference between a street of family homes and a block of flats. Look up one address and you get the census for the few hundred people around it, its own nearest schools and stops, and what the state has mapped for that block.
- The census for a few hundred neighbours, not all 72 residents
- Nearest and zoned schools, with the walk from that door
- Flood, bushfire and noise mapping, where the state publishes it
Free to look up. Subscribers see every section in full — $29/month.
Nearby suburbs
Normanville SA 5204
Yankalilla SA 5203
Wirrina Cove SA 5204
Second Valley SA 5204
Parawa SA 5203
Torrens Vale SA 5203
Compare Hay Flat to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
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Common questions about Hay Flat
Is Hay Flat a safe place to live?
Recorded crime in Hay Flat is moderate (58/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect Hay Flat?
Hay Flat has no recorded bushfire history. These are locality-wide figures; check the address, as flood and bushfire exposure change street by street.
What is the population of Hay Flat?
Hay Flat, SA had a population of 72 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Hay Flat, SA?
The postcode for Hay Flat, SA is 5204.
How far is Hay Flat from Adelaide?
Hay Flat is 102 km from Adelaide CBD by road, about 108 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Hay Flat?
At the 2021 ABS Census, median household income in Hay Flat was $61,724 a year. It is the most recent suburb-level income figure until 2026 Census results are released in 2027.
What is the median weekly rent in Hay Flat?
There are too few current rental listings in Hay Flat for a reliable median. At the 2021 ABS Census the median weekly rent was $200, across all dwelling types.
What is the median age in Hay Flat?
The median age of residents in Hay Flat was 48 at the 2021 ABS Census.
Is Hay Flat walkable?
Hay Flat scores 10/100 on the SuburbScan Walkability Score, making it very car-dependent. The score is a weighted average of public transport, schools, parks, supermarkets, GPs, pharmacies, childcare, and hospitals within walking distance.
What is the weather like in Hay Flat?
At the nearest Bureau of Meteorology station to Hay Flat, Myponga (18.4 km away), 786 mm of rain a year over 112 rainy days over 2006-2026.
Is the First Home Owner Grant available in Hay Flat?
First-home buyers in SA may be eligible for $15,000 towards new homes. The grant is administered by RevenueSA; confirm current eligibility before signing a contract — state rules and amounts can change.
What council does Hay Flat belong to?
Hay Flat sits within the Yankalilla local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Hay Flat?
The average residential rates bill through Yankalilla is $2,546 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Hay Flat?
Across Yankalilla, 58 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's down 55.0% on the same period a year earlier. These are LGA-level totals — every suburb in the council shares the same figure.
Which federal electorate is Hay Flat in?
Hay Flat sits within the federal Division of Mayo, currently held by Rebekha Sharkie (Centre Alliance).
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Data freshness
- Census · 2021
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- Climate · 2006–2026
- Socio-economic (SEIFA) · 2021
- EV adoption · Jan 2025
- First Home Owner Grant · Sep 2026
- Federal electorate · 2025
- State electorate · 2026
- Amenities · Sep 2026
- Health & emergency facilities · Sep 2026
- Industrial emissions (NPI) · 2024/2025
- Coastal erosion · 1988–2025
- Aircraft noise · 2024
Vintages show when each source's data is from. See all data sources.
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.