Suburb profile
Mountain Lagoon NSW 2758
Mountain Lagoon is located in the Hills District and Hawkesbury region of New South Wales, postcode 2758. It has 104 properties across 3 streets, almost all houses. Explore every street in Mountain Lagoon, its property history, homes for sale and rent, who lives there, and the local agents.
About Mountain Lagoon
Mountain Lagoon, NSW 2758, sits in the Hills District and Hawkesbury region and neighbours Bilpin, Upper Colo and Wheeny Creek. Its 3 streets hold 104 properties, all of them houses.
Census figures are for the Bilpin - Colo - St Albans area, which had 2,846 residents, a median age of 48 and an average household of 2.5 people. Median household income was $1,688 a week, the median mortgage repayment $2,167 a month and the median rent $320 a week. Of 1,003 dwellings, 982 were separate houses, 3 semi-detached, 4 flats and 5 other; 412 were owned outright, 443 owned with a mortgage and 84 rented.
Updated October 2026
Who lives in Mountain Lagoon
- 2,846Peoplelive in the area
- 48Median ageyears
- $1,688Median household incomea week
- $320Median renta week
Homes by type
- Houses982
- Townhouses and semis3
- Flats and apartments4
- Other5
Household
- Median mortgage repayment$2,167a month
- Household size2.5people on average
How homes are held
Streets in Mountain Lagoon
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.