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NSW · ranked

Fastest-growing SA2 areas in New South Wales

All New South Wales Statistical Area Level 2 regions ranked by 1-year population change (ABS Estimated Resident Population, June 2025 release). SA2 areas don't always align with suburb boundaries. SA2s where we publish a full profile are linked.

Live ABS data · ERP June 2025 release New South Wales gained +100,474 residents net · 488 SA2s grew, 113 shrank
  1. 1

    Box Hill - Nelson

    Rouse Hill - McGraths Hill · Sydney - Baulkham Hills and Hawkesbury · Pop. 26,348

    +17.4%

  2. 2

    Austral - Greendale

    Bringelly - Green Valley · Sydney - South West · Pop. 22,535

    +15.8%

  3. 3

    Marsden Park - Shanes Park

    Blacktown - North · Sydney - Blacktown · Pop. 30,461

    +11.6%

  4. 4

    Googong

    Queanbeyan · Capital Region · Pop. 9,323

    +9.7%

  5. 5

    Cobbitty - Bringelly

    Bringelly - Green Valley · Sydney - South West · Pop. 6,281

    +8.7%

  6. 6

    Leppington - Catherine Field

    Bringelly - Green Valley · Sydney - South West · Pop. 21,103

    +8.6%

  7. 7

    Schofields - East

    Blacktown - North · Sydney - Blacktown · Pop. 38,569

    +7.4%

  8. 8

    Branxton - Greta - Pokolbin

    Lower Hunter · Hunter Valley exc Newcastle · Pop. 16,413

    +6.8%

  9. 9

    Oran Park

    Bringelly - Green Valley · Sydney - South West · Pop. 25,695

    +6.7%

  10. 10

    Edmondson Park

    Liverpool · Sydney - South West · Pop. 18,038

    +6.5%

  11. 11

    Douglas Park - Appin

    Wollondilly · Sydney - Outer South West · Pop. 13,313

    +6.4%

  12. 12

    Riverstone

    Blacktown - North · Sydney - Blacktown · Pop. 20,068

    +6.2%

  13. 13

    Castle Hill - Central

    Baulkham Hills · Sydney - Baulkham Hills and Hawkesbury · Pop. 8,845

    +6.1%

  14. 14

    Schofields (West) - Colebee

    Blacktown - North · Sydney - Blacktown · Pop. 14,743

    +5.7%

  15. 15

    Wentworth Point - Sydney Olympic Park

    Auburn · Sydney - Parramatta · Pop. 24,852

    +5.5%

  16. 16

    Redhead

    Lake Macquarie - East · Newcastle and Lake Macquarie · Pop. 3,947

    +5.3%

  17. 17

    Picton - Tahmoor - Buxton

    Wollondilly · Sydney - Outer South West · Pop. 22,603

    +5.2%

  18. 18

    Ultimo

    Sydney Inner City · Sydney - City and Inner South · Pop. 10,534

    +4.9%

  19. 19

    Zetland

    Sydney Inner City · Sydney - City and Inner South · Pop. 14,991

    +4.8%

  20. 20

    Horsley - Kembla Grange

    Dapto - Port Kembla · Illawarra · Pop. 14,750

    +4.7%

SA2 areas that shrank in NSW

NSW Statistical Area Level 2 regions where population fell over the year to June 2025. Same 500-resident floor applies. Helpful context when a state-wide growth story has local exceptions.

  1. 1

    Bourke - Brewarrina

    Bourke - Cobar - Coonamble · Far West and Orana · Pop. 3,420

    -2.5%

  2. 2

    Lismore

    Richmond Valley - Hinterland · Richmond - Tweed · Pop. 13,679

    -2.1%

  3. 3

    Cooma

    Snowy Mountains · Capital Region · Pop. 6,598

    -1.8%

  4. 4

    Kariong

    Gosford · Central Coast · Pop. 6,388

    -1.6%

  5. 5

    Wagga Wagga - West

    Wagga Wagga · Riverina · Pop. 11,596

    -1.6%

  6. 6

    Castle Hill - East

    Baulkham Hills · Sydney - Baulkham Hills and Hawkesbury · Pop. 5,305

    -1.4%

  7. 7

    Walgett - Lightning Ridge

    Bourke - Cobar - Coonamble · Far West and Orana · Pop. 5,708

    -1.3%

  8. 8

    Tuncurry

    Great Lakes · Mid North Coast · Pop. 6,229

    -1.3%

  9. 9

    Horsley Park - Kemps Creek

    Fairfield · Sydney - South West · Pop. 4,146

    -1.2%

  10. 10

    Queanbeyan West - Jerrabomberra

    Queanbeyan · Capital Region · Pop. 12,735

    -1.1%

Source: ABS Estimated Resident Population by SA2, 2024 release. Excludes SA2s with fewer than 500 residents. See methodology for caveats on SA2-to-suburb mapping.