Suburb profile
Maddens Plains NSW 2508
Maddens Plains is located in the Illawarra region of New South Wales, postcode 2508. It has 12 properties across 1 street, almost all houses. Explore every street in Maddens Plains, its property history, homes for sale and rent, who lives there, and the local agents.
About Maddens Plains
Maddens Plains, NSW 2508, sits in the Illawarra region and neighbours Stanwell Tops, Coalcliff, Coledale and Bulli. Its 1 street holds 12 properties, all of them houses.
Census figures are for Helensburgh, an area that covers part of Maddens Plains. It had 9,135 residents, a median age of 39 and an average household of 2.9 people. Median household income was $2,542 a week, the median mortgage repayment $2,512 a month and the median rent $530 a week. Of 2,994 dwellings, 2,539 were separate houses, 96 semi-detached, 324 flats and 14 other; 986 were owned outright, 1,476 owned with a mortgage and 453 rented.
Updated October 2026
Who lives in Maddens Plains
- 9,135Peoplelive in the area
- 39Median ageyears
- $2,542Median household incomea week
- $530Median renta week
Homes by type
- Houses2,539
- Townhouses and semis96
- Flats and apartments324
- Other14
Household
- Median mortgage repayment$2,512a month
- Household size2.9people on average
How homes are held
Schools in Maddens Plains
OneSchool Global NSW - Illawarra
IndependentPrimary and secondary
OneSchool Global NSW - Illawarra
IndependentPrimary and secondary
Streets in Maddens Plains
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.