St Clair sits 45 km from Sydney CBD in New South Wales, around 42 minutes by car. Census data records 19,942 residents with a median age of 36 and a median household income of $107,484 per year. By household income, education, and employment patterns, it ranks in the middle range nationally. At the 2021 Census, households here paid a median rent of $440 per week and a median monthly mortgage of $2,167. St Clair is characterised by no recorded bushfire exposure. Of 6 schools within the suburb boundary, 1 ranks above the state average, and walkability is high.
Is St Clair a good suburb?
St Clair scores a B (64/100) on SuburbScan's Liveability grade — strong on transit and safety.
Mixed results
6 schools · 1 above peer schools
Very walkable
Walkability 86/100 · 44.7 km · 42 min drive to Sydney
Around the state median
Median $1.18M
Low all-round risk
Fire 0/100
Mid-range socio-economic
SEIFA decile 5/10 · median age 36 · 19,942 residents
Liveability Rating
64 / 100 · Ranked #428 in NSWEach bar is St Clair's rank among NSW suburbs, from 0 to 100 (higher is better).
No flood data is published for New South Wales — a blank here means we hold no data, not that there is no risk.
How do you rate the liveability in St Clair?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
64 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataSt Clair's house market is moving higher: the median sale price reached $1.18 million, about 5% above where it sat a year earlier.
$1,175,000
12% above its 4 neighbours (median $1,050,000)
Based on 275 recorded sales in the last 24 months.
Typically sold in 22 days — median across 132 sales that recorded a listing period
By bedrooms
- 3 bed 152 sales $1.14M
- 4 bed 80 sales $1.2M
- 5 bed 26 sales $1.33M
- 6 bed 6 sales $1.3M
Currently for Sale
Last 6 monthsHouses in St Clair are currently listed at around $1.16 million on average. Based on 48 houses listed in the past six months.
$1.16M
48 houses listed in the last 6 months.
48 of the suburb's 6,327 dwellings (0.8%) were listed for sale in the last 6 months.
Rental Market
Advertised rents · last 6 monthsHouses in St Clair rent for around $750 a week on average, based on 111 houses listed for rent in the past six months.
Houses
$750/wk
25% above its 3 neighbours (median $600/wk)
111 houses advertised for rent in the last 6 months.
Units
$525/wk
6 units advertised for rent in the last 6 months.
117 rentals advertised against an estimated 1,373 rented homes (8.5%) in the last 6 months.
Rent agreed on new leases
Jul–Sep 2026- 3-bed houses
- $700/wk
- 69 bonds
- +47% since 2021
- 2-bed units
- $530/wk
- 15 bonds
- +37% since 2021
Median weekly rent on bonds lodged for new tenancies across postcode 2759 (NSW publishes bonds by postcode, which can cover several suburbs). Change since 2021 compares the median of the first four quarters with the last four. Asking rents above come from advertised listings.
Rental affordability
June quarter 2025115 Moderately unaffordable · the average rental household in this region would pay about 26% of its income on the median rent in postcode 2759.
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.
Gross rental yield
Indicative$750/week ($39,000 a year) on a $1.16 million median
Not enough unit sales and rentals in the window to calculate a yield.
Gross yield — before strata, rates, management, insurance and vacancy. Calculated from median advertised rents and median asking prices over the last 6 months. How we calculate.
Short-Stay Rentals
3 active Airbnb listings: 1 whole home and 2 rooms. Whole homes are about 0.0% of the suburb's homes.
Airbnb only, as at Jun 2026; other platforms are not included. Active means reviewed in the past 12 months. The share is against private dwellings at the 2021 Census.
Serious Road Crashes
2021–202515 crashes
where someone was killed or admitted to hospital
Where they happened
Crashes are counted where they happened, so a main road through the suburb carries people passing through; this is not a measure of risk to residents. Roads are listed with 3 or more serious crashes.
Council Flood Studies
Penrith City Council has published 13 flood studies on the NSW Flood Data Portal. The mapped flood areas are in those studies; SuburbScan does not hold them.
- Rickabys Creek Catchment Flood Study 2025
- Peach Tree & Lower Surveyors Creeks Catchment Floodplain Risk Management Study and Plan 2025
- College, Orth and Werrington Creeks Catchment Floodplain Risk Management Study & Plan 2021 2022
- Little Creek Catchment Floodplain Risk Management Study and Plan 2022
- South Creek Floodplain Risk Management Study and Plan 2020
Schools
Six schools serve St Clair, and performance is broadly at peer-suburb levels with one standout. Clairgate Public School leads the pack.
- • 2,680 students across 6 schools (avg 447)
- • Sectors: 5 Government, 1 Catholic
- • ICSEA 956-1043, median 978 (below the national baseline of 1000)
- • Largest: St Clair High School (718 students)
Primary
Secondary
Universities nearby
1.9% of residents here are full-time university students aged 15–24.
Distance is measured to the suburb centre. A campus nearby does not by itself mean a student rental market — most suburbs within a few kilometres of one have a student share close to the national norm, and the figure above is what tells them apart.
Walkability
St Clair is very walkable on foot — at 86/100, most daily errands can be done on foot. Within the suburb there are 2 supermarkets, 12 parks and 9 cafes to anchor that walking radius.
Public transport
Weekday and weekend service frequency across every stop inside St Clair.
- Peak (7-9am + 5-7pm)
- 406.5 arrivals/hr
- Off-peak weekday
- 227.4 arrivals/hr
- Saturday
- 188.2 arrivals/hr
- Median peak wait
- 0 min
- Span of service
- 18.4 hours
Scheduled service only, based on the 21 October 2026 timetable. Reliability (delays, cancellations) not measured.
NBN connectivity
The internet access technology available across NBN premises in St Clair.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 6,757
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
Penrith: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this suburb alone — this suburb's own population is in the census section above.
Socio-economic profile
The ABS scores 45 small areas inside this suburb and averages them into the single decile above. They fall into 4 different deciles — a wide range, so parts of this suburb rank well above the average and parts well below it.
St Clair is home to about 19,900 residents, with a median age of 36, broadly in line with the national figure. Median household income runs at $107,000 a year, with unemployment at 4.4%.
2021 Census · change since 2016
Population
19,942
Median Age
36
Median Household Income
$107,484/yr
Census Median Rent
$440/wk
Census Median Mortgage
$2,167/mo
Avg Household Size
3.0
Median Personal Income
$44,148/yr
Unemployment Rate
4.4%
Unoccupied Dwellings
2.9%
Total Dwellings
6,327
Owner-Occupier Rate
78.3%
Houses
98.4%
Rental Stress
21.3%
Mortgage Stress
24.2%
Work From Home
30.1%
Dwelling Types
Property Ownership
42 rented from a state or territory housing authority and 8 from a community housing provider, as a share of the 1,342 rented dwellings above — not of all dwellings.
Demographics
- Born in Australia
- 68.7%
- English Spoken at Home
- 71.0%
- Employment Rate
- 60.1%
- Completed Year 12
- 38.7%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
When They Arrived
Share of all residents by the year they arrived in Australia. Periods cover different numbers of years, so compare the shape rather than the bar widths.
393 residents (2.0%) arrived since 2016. Australia’s borders were closed to most arrivals from March 2020, so the last two years of that period are much smaller than the ones before them — nationally 260,799 people arrived in 2019 against 28,521 in 2021.
Where New Residents Came From
Where residents aged five and over lived five years before the 2021 Census, for those who lived somewhere else.
Top places newcomers came from, as a share of the 18,592 residents aged five and over. Areas are ABS statistical regions. Small counts are approximate: the ABS adjusts every figure slightly to protect privacy.
Languages Spoken at Home
Top languages other than English, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
6% of employed residents work in a capital's city centre (558 of 9,477).
City centre: the ABS area around each capital's CBD, such as Sydney Inner City or Perth City (which takes in Subiaco and Leederville). 2021 Census place of work.
Local Jobs
People who work in this suburb against employed people who live here, 2021 Census.
About 2,067 people work here; 9,477 employed residents live here.
Mostly a place people commute from: 0.2 jobs per working resident. At least 78% of employed residents must work outside the suburb.
Counts are by place of work and place of usual residence. The ABS counts jobs in zones; where a zone spans several places, its jobs are shared out by land use. The ABS also adjusts every figure slightly to protect privacy.
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $1,547 a year through Penrith based on 2024 figures.
How this land is zoned
- Residential 80%
- Parks and recreation 13%
- Infrastructure and transport 6%
- Zones under 1% 1%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it — the property page shows the zone for one address.
Building Approvals: Penrith
In the year to August 2026, 1,063 new dwellings were approved across Penrith. That mix is 674 houses and 389 units. Approvals are down 77.5% on the same period a year earlier.
Aboriginal Land Council
Aboriginal land in this area is administered by the Deerubbin Local Aboriginal Land Council.
Local Aboriginal Land Councils are statutory bodies under the Aboriginal Land Rights Act 1983, responsible for land claims and land management for their members. Their boundaries are administrative and are not a statement of whose Country this is. NSW does not publish a register of Aboriginal parties by area — they are registered for each project.
Air Quality
MODERATEPM2.5 averaged 5.6 µg/m³ in 2025 — below Australia's NEPM annual standard (8 µg/m³), slightly above the stricter WHO guideline (5 µg/m³). 1 day exceeded the daily threshold of 25 µg/m³.
PM10 averaged 17.6 µg/m³ · NO₂ averaged 0.55 pphm. Days over the limit in 2025: PM10 2 · NO₂ 0 · ozone 0.
From the St Marys monitoring station, 1.7 km away.
Climate & Setting
from Orchard Hills Treatment Works, 7.2 kmModerate rainfall.
- Elevation
- 47 m
- above sea level, at the suburb centre
- Distance to the ocean
- 38.9 km
- Near high-voltage lines
- 0.7% of addresses
- 49 within 100 m of an overhead line of 110 kV or more
- Annual rainfall
- 822 mm
- 81 rainy days
- Summer max (Jan)
- —
- Winter min (Jul)
- —
Elevation is the ground at the suburb 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
11 facilities within 5 km- 2.3 kmWaste Treatment and Disposal ServicesTop reported: Particulate Matter ≤10.0 µm (PM10) · Zinc and compounds · Chromium (III) compounds
- 2.4 kmWaste Treatment and Disposal ServicesTop reported: Carbon monoxide · Particulate Matter ≤10.0 µm (PM10) · Oxides of Nitrogen
- 2.5 kmMetal Coating and FinishingTop reported: Total Volatile Organic Compounds · Oxides of Nitrogen · Carbon monoxide
- 2.6 kmOther Food Product Manufacturing n.e.c.Top reported: Oxides of Nitrogen · Carbon monoxide · Total Volatile Organic Compounds
- 2.6 kmMilk and Cream ProcessingTop reported: Carbon monoxide · Oxides of Nitrogen · Particulate Matter ≤10.0 µm (PM10)
EV adoption
In postcode 2759, 92 of 19,259 registered light vehicles are battery-electric on 31 January 2025. A further 2.9% (554 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 3.4%.
Rooftop solar
In postcode 2759, 4,682 rooftop-solar systems totalling 34.5 MW have been installed since 2001, against 8,534 dwellings recorded in the 2021 Census. 298 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$10,000 for new homes priced up to $600,000.
Off-the-plan or contracted-build value cap is $750,000 (vs $600,000 for completed new homes). Stamp duty concessions are a separate scheme (First Home Buyers Assistance).
Mortgage repayments
6 mortgage brokers are registered in this suburb, 11 across postcode 2759.
Transfer duty at the owner-occupier rate, and it excludes first home buyer concessions — those can cut it substantially or remove it entirely. Excludes legal, inspection and lender fees. Check with Revenue NSW
The First Home Owner Grant applies to newly built homes only, so it isn't available on an established purchase. A first home buyer building or buying new under $600,000 may qualify for $10,000 — see what qualifies with Revenue NSW.
At $1,175,000 this is $575,000 above the $600,000 First Home Owner Grant cap. A first home buyer may qualify for $10,000 on a newly built home — check eligibility with Revenue NSW.
A deposit under 20% usually attracts Lenders Mortgage Insurance, which this doesn't include.
Principal and interest over 30 years, fixed rate. Excludes fees, offset, redraw and LMI. Default rate is the median comparison rate across 1788 advertised products as at 2026-10-26 — indicative only, and not an offer. Your rate depends on the lender, your deposit and your circumstances. Not financial advice.
Federal Electorate
Currently held by Chris Bowen Australian Labor Party
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Chris Bowen | 59.0% | 41.0% | -1.5 |
| 2022 | Chris Bowen | 59.5% | 40.5% | -2.9 |
| 2019 | Chris Bowen | 56.6% | 43.4% | +5.5 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact suburb's voters across time.
State Electorate
Currently held by Tanya Davies Liberal
Next state election: 13 March 2027.
| Year | Winner | Won with |
|---|---|---|
| 2023 | Tanya Davies LP | 60.5% |
Results are per district. Districts were last redrawn in 2021, so results from before then describe the district of that name, not necessarily this suburb's voters. Results: © State of New South Wales through the NSW Electoral Commission, CC BY 4.0, adapted.
Looking at a specific address in St Clair?
Every figure above is a suburb 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 19,942 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.
Checking the whole city?
Suburbs to avoid in Sydney There is no list of bad suburbs, but there are hazards the state measures and publishes — recorded crime, bushfire exposure, flood overlays and aircraft noise. Sydney suburbs ranked on them, with what the numbers do and don't mean.Nearby suburbs
Compare St Clair to another suburb
Side-by-side stats for any other NSW suburb — type a name and pick one.
Or jump straight to a nearby comparison:
Common questions about St Clair
What natural hazards affect St Clair?
St Clair has no recorded bushfire history. These are suburb-wide figures; check the address, as flood and bushfire exposure change street by street.
Is St Clair a good place to live?
St Clair has a SuburbScan Liveability grade of B (64/100), ranked against other NSW suburbs on school quality (25%), safety (25%), SEIFA socio-economic advantage (25%), walkability (15%) and CBD access (10%). Whether it suits you depends on what you weigh — each of those is on this page.
What is the population of St Clair?
St Clair, NSW had a population of 19,942 at the 2021 Australian Bureau of Statistics census.
What is the postcode for St Clair, NSW?
The postcode for St Clair, NSW is 2759.
How far is St Clair from Sydney?
St Clair is 45 km from Sydney CBD by road, about 42 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in St Clair?
At the 2021 ABS Census, median household income in St Clair was $107,484 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 St Clair?
The median advertised rent in St Clair is $750 a week for houses (111 listings) and $525 a week for units (6 listings), from rental listings over the last six months.
What is the median age in St Clair?
The median age of residents in St Clair was 36 at the 2021 ABS Census.
How are the schools in St Clair?
There are 6 schools inside the St Clair boundary: 1 above and 5 at similar schools on NAPLAN, compared with same-state, same-type schools of similar socio-educational advantage (ICSEA).
Is St Clair walkable?
St Clair scores 86/100 on the SuburbScan Walkability Score, making it very walkable. The score is a weighted average of public transport, schools, parks, supermarkets, GPs, pharmacies, childcare, and hospitals within walking distance.
What is the air quality in St Clair?
The nearest government air-quality monitoring station to St Clair (St Marys) recorded a 2025 annual mean PM2.5 of 5.6 µg/m³ and PM10 of 17.6 µg/m³. That puts St Clair below the Australian NEPM annual standard of 8 µg/m³ but above the stricter WHO guideline of 5 µg/m³.
What is the weather like in St Clair?
At the nearest Bureau of Meteorology station to St Clair, Orchard Hills Treatment Works (7.2 km away), 822 mm of rain a year over 81 rainy days over 2006-2026.
Is the First Home Owner Grant available in St Clair?
First-home buyers in NSW may be eligible for $10,000 towards new homes with a purchase price up to $600,000. The grant is administered by Revenue NSW; confirm current eligibility before signing a contract — state rules and amounts can change.
What council does St Clair belong to?
St Clair sits within the Penrith local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in St Clair?
The average residential rates bill through Penrith is $1,547 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near St Clair?
Across Penrith, 1,063 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's down 77.5% 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 St Clair in?
St Clair sits within the federal Division of Mcmahon, currently held by Chris Bowen (Australian Labor Party).
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Data freshness
- Census · 2021
- Median sale prices · Oct 2026
- For-sale & rental market · Oct 2026
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- Public transport · Oct 2026
- NBN connectivity · Dec 2025
- Road crashes · 2021–2025
- Air quality · 2025
- Climate · 2006–2026
- Socio-economic (SEIFA) · 2021
- EV adoption · Jan 2025
- First Home Owner Grant · Sep 2026
- Federal electorate · 2025
- Short-stay rentals · Jun 2026
- State electorate · 2023
- 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.