Australian places / G-NAF

Postcode 2154: Castle Hill, NSW

Postcode 2154 covers Castle Hill in NSW. 23,801 addresses, electorates and geography.

What is in postcode 2154?

23,801 addresses across NSW. Each state record has its own address centroid.

New South Wales

Castle Hill

23,801 addresses. Latitude -33.729191, longitude 151.002050.

The map marks the centroid for NSW. Coordinates are GDA2020 decimal degrees, averaged from located addresses.

Geography and address shares

Shares count G-NAF addresses, including addresses with unknown allocations. They describe addresses, not population or land area.

Local government areas

  • The Hills, 19,932 addresses (83.7%)
  • Hornsby, 3,869 addresses (16.3%)

Federal electorates

  • Mitchell, 19,932 addresses (83.7%)
  • Berowra, 3,869 addresses (16.3%)

State electorates

  • Castle Hill, 21,927 addresses (92.1%)
  • Kellyville, 1,811 addresses (7.6%)
  • Hornsby, 63 addresses (0.3%)

Statistical Areas Level 3

  • Baulkham Hills, 23,801 addresses (100%)

Statistical Areas Level 4

  • Sydney - Baulkham Hills and Hawkesbury, 23,801 addresses (100%)

Remoteness areas

  • Major Cities of Australia, 23,801 addresses (100%)

Modified Monash categories

  • MM 1: Metropolitan, 23,801 addresses (100%)

Allocations follow the boundary editions in the loaded data release. A postcode or suburb can cross an electorate or council boundary. Query a full address for its allocation.

Try it

The API adds address identifiers, property coordinates and boundary codes for individual addresses. Get a free API key and replace YOUR_API_KEY.

curl 'https://addresses.sessional.au/v1/postcodes/2154' \
  -H 'X-API-Key: YOUR_API_KEY'
curl 'https://addresses.sessional.au/v1/addresses?postcode=2154' \
  -H 'X-API-Key: YOUR_API_KEY'

See the API reference for response fields, query limits and pagination.