Suburb profile

Coalcliff NSW 2508

Coalcliff is located in the Illawarra region of New South Wales, postcode 2508. It has 112 properties across 3 streets, almost all houses. Explore every street in Coalcliff, its property history, homes for sale and rent, who lives there, and the local agents.

About Coalcliff

Coalcliff, NSW 2508, sits in the Illawarra region and neighbours Maddens Plains, Stanwell Park and Clifton. Its 3 streets hold 112 properties, 110 of them houses and 2 units.

Census figures are for the Thirroul - Austinmer - Coalcliff area. At the 2021 Census it had 11,957 residents, a median age of 43 and an average household of 2.7 people. Median household income was $2,423 a week, the median mortgage repayment $2,600 a month and the median rent $550 a week. Of 4,220 dwellings, 3,439 were separate houses, 417 semi-detached, 335 flats and 21 other; 1,762 were owned outright, 1,574 owned with a mortgage and 781 rented.

Updated October 2026

Who lives in Coalcliff

  • 11,957Peoplelive in the area
  • 43Median ageyears
  • $2,423Median household incomea week
  • $550Median renta week

Homes by type

  • Houses3,439
  • Townhouses and semis417
  • Flats and apartments335
  • Other21

Household

  • Median mortgage repayment$2,600a month
  • Household size2.7people on average

How homes are held

Owned outright 1,762Owned with a mortgage 1,574Rented 781Other 103

Properties in Coalcliff

Local agents in Coalcliff

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Agencies that specialise in Coalcliff

Streets in Coalcliff

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.

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