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Thornleigh
Ranked #47 of 422 Sydney suburbs for value. Every number below comes from open data — official crime statistics, ABS census and GPS activity traces — not opinion.
Thornleigh suburb profile: score breakdown
Thornleigh crime rate, rent, prices and other numbers
| Population | 8,898 |
| Area | 3.71 km² |
| Postcode | 2120 |
| Median household income | $2,681/wk |
| Median rent | $530/wk |
| Median house price (Jan–Mar 2026) | $2,010,000 (42 sales this quarter; down 5.4% YoY, up 4.7% QoQ; postcode 2120, not suburb-level) |
| Median unit price (Jan–Mar 2026) | $1,370,000 (49 sales this quarter; up 33.7% YoY, up 75.8% QoQ; postcode 2120, not suburb-level) |
| Crime rate | 38.9 incidents per 1,000 people — 68% of offences are against property, 32% against the person |
| Parks | 15 (1.22 ha per 1,000 people) |
| Schools (government data) | 2 — 2 primary, 0 secondary; nearest primary 0.75 km, secondary 1.79 km |
| Families score | 58/100 (safety 30 · schools 25 · parks per 1,000 15 · kinders 10 · price-for-size 10 · transit 10) |
| Within 400m of a park | 73.4% of the suburb |
| Cafés | 3 |
| Gyms & sport venues | 13 |
| Public transport stops | 92 (1 train station, 91 bus stops) |
| Nearest parkrun | Macquarie University parkrun (6.56 km) |
| Schools nearby (OSM, not catchment zoning) | 2 schools in the suburb — nearest is Normanhurst West Public School (0.69 km) |
Sale prices: NSW DCJ Rent and Sales Report, January - March 2026 quarter — © State of New South Wales (Department of Communities and Justice), Rent and Sales Report, CC BY 4.0; suburb-to-postcode mapping © GeoNames.org, CC BY 4.0. NSW publishes no free suburb-level sale medians, so this is the median for the suburb's POSTCODE (non-strata sales = houses, strata = units), which can span several suburbs. Low-volume figures rest on 30 or fewer sales in the quarter; postcodes with 10 or fewer sales are withheld by DCJ.
Who lives in Thornleigh
Source: ABS Census 2021; sale prices NSW DCJ Rent and Sales Report, January - March 2026 quarter. We do not hold a suburb-level renter/owner split, families-with-children rate, born-overseas rate or dwelling-type breakdown for Thornleigh — the fields above are everything the census data behind this site currently carries.
Common questions about Thornleigh
What is the postcode for Thornleigh?
The postcode for Thornleigh, Sydney is 2120.
Is Thornleigh a good suburb?
There is no single invented "overall" score here -- Thornleigh is measured on 10 separate categories rather than blended into one number. Its strongest is value, ranking #47 of 422 Sydney suburbs, and it ranks in the top half of Sydney for 5 of the 10 categories measured here. The full breakdown is above.
Is Thornleigh safe?
It is around the middle of the pack for Sydney, scoring 46/100 for safety and ranking #227 of 422 suburbs. Recorded offences run at 39 per 1,000 residents. That score is recorded offences per 1,000 residents from official crime statistics, as a percentile against every other suburb in the city.
Is Thornleigh good for families?
It rates about average on the family measures we can compute — safety 46/100, parks 58/100 and green space 32/100, with a median age of 40. It has 2 schools in the suburb, with the nearest primary 0.8 km from its centre. School counts and distances feed the families score; catchment zoning and school results do not (we cannot publish those) — see our Sydney families ranking for the full method.
Is Thornleigh expensive to live in?
The median house sale price was $2,010,000 in Jan–Mar 2026 (NSW DCJ Rent and Sales Report, postcode-level), down 5.4% YoY, up 4.7% QoQ. Median rent is $530 a week, and household income ranks #120 of 422 in Sydney. Against what the suburb offers, it scores 89/100 for value.
Does Thornleigh have good public transport?
It scores 66/100 for transit, #144 of 422 in Sydney. That measures train, tram and bus access within the suburb boundary, weighted by mode.
Are there parks in Thornleigh?
73% of the suburb is within walking distance of a park, at 1.2 hectares per 1,000 residents — 32/100 for green space.
Is Thornleigh good for running?
The nearest parkrun is Macquarie University parkrun, 6.6 km away, and GPS activity traces put it at 39/100 for how much walking, running and riding actually happens there.
Nearby suburbs
Scores are percentiles against every other suburb in Sydney: 100 is the
best in the city, 50 is mid-table. Updated October 2026 (last updated 2026-10-12). Sources: open GPS activity traces,
official crime statistics, ABS census, OpenStreetMap.
About this data: every number on this page is computed from public sources — it is not an
opinion or a sponsored placement. See how we rank suburbs
for the full method.
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