Bletchley SA 5255
Located in South Australia, Bletchley sits 71 km from Adelaide CBD, around 57 minutes by car. The locality has 76 residents, a median age of 41, and a median household income of $97,500 per year. By household income, education, and employment patterns, it ranks in the top 40% nationally. The locality fell 1.3% between 2016 and 2021. At the 2021 Census, households here paid a median rent of $100 per week and a median monthly mortgage of $1,850. 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 76. 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 Bletchley?
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Our score
Not enough data to score this locality.
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Rental Market
Rental affordability
June quarter 202586 Unaffordable · the average rental household in this region would pay about 35% of its income on the median rent in postcode 5255.
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 Bletchley safe? Crime statistics
2025Crime in Bletchley sits in the low band, with 1 incidents recorded in 2025.
1 offences
Serious Road Crashes
2021–2025No crash in Bletchley 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
Bletchley is very car-dependent on foot — at 0/100, 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 Bletchley.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 29
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
Alexandrina: 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
Bletchley is home to 76 residents, with a median age of 41, broadly in line with the national figure. Median household income runs at $98,000 a year, with unemployment at 0.0%.
2021 Census · change since 2016
Population
76
Median Age
41
Median Household Income
$97,500/yr
Census Median Rent
$100/wk
Census Median Mortgage
$1,850/mo
Avg Household Size
3.2
Median Personal Income
$35,048/yr
Unemployment Rate
0.0%
Unoccupied Dwellings
12.5%
Total Dwellings
24
Owner-Occupier Rate
100.0%
Houses
100.0%
Rental Stress
5.3%
Mortgage Stress
22.8%
Work From Home
33.3%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 96.1%
- English Spoken at Home
- 100.0%
- Employment Rate
- 66.1%
- Completed Year 12
- 35.5%
Occupations
Religion
Age Distribution
Family & Household Composition
Commute to Work
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $2,523 a year through Alexandrina 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: Alexandrina
In the year to August 2026, 429 new dwellings were approved across Alexandrina. That mix is 422 houses and 7 units. Approvals are up 24.6% on the same period a year earlier.
Climate & Setting
from Strathalbyn, 8.0 kmDry climate.
- Elevation
- 45 m
- above sea level, at the locality centre
- Distance to the ocean
- 34.3 km
- Annual rainfall
- 466 mm
- 82 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.
Industrial Emissions Nearby
1 facility within 5 km- 1.9 km
EV adoption
In postcode 5255, 69 of 10,234 registered light vehicles are battery-electric on 31 January 2025. A further 1.9% (198 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 2.6%.
Rooftop solar
In postcode 5255, 3,580 rooftop-solar systems totalling 24.6 MW have been installed since 2001, against 4,224 dwellings recorded in the 2021 Census. 203 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 Robert Roylance Pauline Hanson's One Nation
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Robert Roylance ON | 54.9% |
| 2022 | Adrian Pederick LP | 55.1% |
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 Bletchley?
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 76 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
Compare Bletchley 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 Bletchley
Is Bletchley a safe place to live?
Recorded crime in Bletchley is low (22/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect Bletchley?
Bletchley has a low recorded bushfire history (19/100, ranked against every Australian suburb with any fire history). Flood overlays cover a moderate share of it (43/100). These are locality-wide figures; check the address, as flood and bushfire exposure change street by street.
What is the population of Bletchley?
Bletchley, SA had a population of 76 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Bletchley, SA?
The postcode for Bletchley, SA is 5255.
How far is Bletchley from Adelaide?
Bletchley is 71 km from Adelaide CBD by road, about 57 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Bletchley?
At the 2021 ABS Census, median household income in Bletchley was $97,500 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 Bletchley?
There are too few current rental listings in Bletchley for a reliable median. At the 2021 ABS Census the median weekly rent was $100, across all dwelling types.
What is the median age in Bletchley?
The median age of residents in Bletchley was 41 at the 2021 ABS Census.
Is Bletchley at risk of bushfire?
Bletchley has a low recorded bushfire history (19/100). The score comes from Geoscience Australia's historical bushfire boundaries, with planned burns excluded: the area of recorded fires touching the locality relative to its size, ranked against every Australian suburb with any fire history. It records where fire has burned, not a bushfire-prone land designation, which your council's planning scheme sets.
What is the weather like in Bletchley?
At the nearest Bureau of Meteorology station to Bletchley, Strathalbyn (8 km away), 466 mm of rain a year over 82 rainy days over 2006-2026.
Is the First Home Owner Grant available in Bletchley?
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 Bletchley belong to?
Bletchley sits within the Alexandrina local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Bletchley?
The average residential rates bill through Alexandrina is $2,523 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Bletchley?
Across Alexandrina, 429 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's up 24.6% 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 Bletchley in?
Bletchley sits within the federal Division of Mayo, currently held by Rebekha Sharkie (Centre Alliance).
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Data freshness
- Census · 2021
- For-sale & rental market · Oct 2026
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- NBN connectivity · Dec 2025
- Crime · 2025
- 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.