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Suburb profile

Thornleigh NSW 2120

Thornleigh is located in the North Shore and Hornsby region of New South Wales, postcode 2120. It has 4,346 properties across 93 streets, mostly houses. Explore every street in Thornleigh, its property history, homes for sale and rent, who lives there, and the local agents.

About Thornleigh

Thornleigh, NSW 2120, sits in the North Shore and Hornsby region and neighbours Normanhurst, Wahroonga, Westleigh and Hornsby. Its 93 streets hold 4,346 properties, 2,967 of them houses and 1,379 units.

Census figures are for the Normanhurst - Thornleigh - Westleigh area, which has 19,158 residents, a median age of 41 and an average household of 2.9 people. Median household income is $2,781 a week, the median mortgage repayment $3,000 a month and the median rent $550 a week. Of 6,314 dwellings, 5,224 were separate houses, 741 semi-detached and 336 flats; 4 were other types. Tenure splits into 2,251 owned outright, 2,802 owned with a mortgage and 1,128 rented.

Updated October 2026

Who lives in Thornleigh

  • 19,158Peoplelive in the area
  • 41Median ageyears
  • $2,781Median household incomea week
  • $550Median renta week

Homes by type

  • Houses5,224
  • Townhouses and semis741
  • Flats and apartments336
  • Other4

Household

  • Median mortgage repayment$3,000a month
  • Household size2.9people on average

How homes are held

Owned outright 2,251Owned with a mortgage 2,802Rented 1,128Other 133

Properties in Thornleigh

Schools in Thornleigh

  • Normanhurst West Public School

    GovernmentPrimary

  • Thornleigh West Public School

    GovernmentPrimary

Streets in Thornleigh

A

  1. Adamson Avenue50 properties
  2. Alinta Close15 properties
  3. Allamanda Way20 properties
  4. Alma Court12 properties
  5. Amber Close14 properties

B

  1. Barrett Avenue45 properties
  2. Begonia Road2 properties
  3. Bellevue Street173 properties
  4. Beresford Road79 properties
  5. Blantyre Close4 properties
  6. Bridgeview Crescent33 properties
  7. Brookes Street32 properties
  8. Bungowen Avenue35 properties
  9. Butterfield Street23 properties

C

  1. Cassinia Way8 properties
  2. Central Avenue93 properties
  3. Chilvers Road54 properties
  4. Clifford Avenue9 properties
  5. Coolabah Close18 properties
  6. Crestwood Avenue14 properties

D

  1. Dale Close20 properties
  2. Dartford Road195 properties
  3. Dawson Avenue16 properties
  4. De Saxe Close11 properties
  5. Derribong Place21 properties
  6. Dobson Street15 properties
  7. Dryandra Way13 properties
  8. Duffy Avenue173 properties

E

  1. Eddy Street63 properties
  2. Edmundson Close35 properties

F

  1. Ferguson Avenue13 properties

G

  1. Giblett Avenue15 properties
  2. Gilgandra Avenue36 properties
  3. Goodlands Avenue69 properties
  4. Gum Tree Way4 properties

H

  1. Hall Avenue20 properties
  2. Handley Avenue42 properties
  3. Hillmont Avenue47 properties
  4. Huntingdale Way8 properties

J

  1. Jamieson Way18 properties
  2. Janet Avenue45 properties
  3. Jarrah Way5 properties
  4. Judson Road26 properties

K

  1. Kentwell Avenue36 properties
  2. Kooringal Avenue115 properties

L

  1. Larool Crescent44 properties
  2. Livingstone Way27 properties
  3. Loch Maree Avenue84 properties
  4. Lockerbie Road49 properties
  5. Lovett Street12 properties
  6. Lymoore Avenue13 properties
  7. Lynrob Place22 properties

M

  1. Melaleuca Way14 properties
  2. Morgan Street36 properties
  3. Morris Avenue28 properties

N

  1. Nattai Close9 properties
  2. Nelson Street57 properties
  3. Nicholson Avenue73 properties
  4. Norman Avenue124 properties

O

  1. Oakleigh Avenue64 properties
  2. Orchard Street15 properties

P

  1. Paling Street86 properties
  2. Parkes Street2 properties
  3. Parkland Place12 properties
  4. Pennant Hills Road330 properties
  5. Phyllis Avenue3 properties
  6. Pioneer Avenue79 properties
  7. Poinsettia Way6 properties
  8. Pritchard Street66 properties

R

  1. Railway Parade12 properties
  2. Rannoch Place5 properties
  3. Roach Avenue17 properties

S

  1. Sefton Road227 properties
  2. Short Street42 properties
  3. Silver Ash Way32 properties
  4. Sinclair Avenue14 properties
  5. Station Street157 properties

T

  1. Talpa Close4 properties
  2. The Comenarra Parkway80 properties
  3. The Esplanade176 properties
  4. Thornleigh Street159 properties
  5. Tillock Street43 properties
  6. Trelawney Street46 properties

V

  1. Vale Road26 properties
  2. Vantage Place12 properties

W

  1. Wanawong Drive16 properties
  2. Wareemba Avenue83 properties
  3. Wells Street58 properties
  4. Werona Street2 properties
  5. Wild Ash Way11 properties
  6. Wood Street1 property

Y

  1. Yaralla Crescent57 properties
  2. Yarrabung Avenue17 properties

Neighbouring suburbs

Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.

Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.

School details © Australian Curriculum, Assessment and Reporting Authority (ACARA), from the Australian Schools List, licensed under Creative Commons Attribution 4.0 International and modified. ACARA does not endorse Listd.

Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.