Suburb profile
Welby NSW 2575
Welby is located in the Southern Highlands and Shoalhaven region of New South Wales, postcode 2575. It has 416 properties across 21 streets, almost all houses. Explore every street in Welby, its property history, homes for sale and rent, who lives there, and the local agents.
About Welby
Welby, NSW 2575, sits in the Southern Highlands and Shoalhaven region and neighbours Colo Vale, Mittagong and Woodlands. Its 21 streets hold 416 properties, 405 of them houses and 11 units.
Census figures are for the Mittagong area. It had 10,931 residents, a median age of 44 and an average household of 2.5 people. Median household income was $1,637 a week, the median mortgage repayment $2,167 a month and the median rent $435 a week. Of 4,164 dwellings, 3,746 were separate houses, 189 semi-detached, 189 flats and 29 other; 1,632 were owned outright, 1,336 owned with a mortgage and 1,049 rented.
Updated October 2026
Who lives in Welby
- 10,931Peoplelive in the area
- 44Median ageyears
- $1,637Median household incomea week
- $435Median renta week
Homes by type
- Houses3,746
- Townhouses and semis189
- Flats and apartments189
- Other29
Household
- Median mortgage repayment$2,167a month
- Household size2.5people on average
How homes are held
Streets in Welby
- Bendooley Street20 properties
- Berrima Lane18 properties
- Berrima Street36 properties
- Bowral Lane10 properties
- Bowral Street48 properties
- Cobb Lane4 properties
- Colo Lane5 properties
- Colo Street27 properties
- Currockbilly Street24 properties
- Hume Highway1 property
- Jellore Street12 properties
- Joadja Street64 properties
- Kell Crescent20 properties
- Mandemar Street7 properties
- Meranie Street32 properties
- Mittagong Street42 properties
- Old Hume Highway30 properties
- Short Street4 properties
- Snowden Street1 property
- Welby Park Place9 properties
- White Waratah Place2 properties
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.