Mount Annan, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
More advantaged than the national average
Mount Annan is more socio-economically advantaged than about 78% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1038, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Mount Annan at a glance
- Population (2021)
- 11,784
- Median age
- 34
- Median weekly household income
- $2,493
- SEIFA score
- 1038
- Coordinates
- -34.0640, 150.7628
Mount Annan demographics (2021 Census)
The figures below profile Mount Annan using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is mid-life (45–64) at 27%, 20% of homes are rented, and 20% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 2,788 | 24% |
| Youth (15–24) | 1,763 | 15% |
| Young adults (25–44) | 3,066 | 26% |
| Mid-life (45–64) | 3,123 | 27% |
| Seniors (65+) | 1,043 | 9% |
Share of the 11,783 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 816 | 23% |
| Owned with a mortgage | 2,018 | 56% |
| Rented | 699 | 20% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 3,436 | 96% |
| Townhouses & semis | 140 | 4% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 3,576 occupied private dwellings in Mount Annan.
- Median weekly rent
- $480
- Median monthly mortgage
- $2,224
- Average household size
- 3.2 people
- Median weekly family income
- $2,595
- Median weekly personal income
- $947
Community and culture
- Born overseas
- 2,301 (20%)
- Speaks a language other than English at home
- 1,801 (16%)
- Aboriginal and/or Torres Strait Islander
- 403 (3%)
Work and education
- Completed Year 12
- 4,800 (57%)
- Labour-force participation
- 71.9%
- Unemployment rate
- 3.8%
- Employed full-time
- 3,584
- Employed part-time
- 1,862
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Weather and climate in Mount Annan
Based on 2014–2023 records, the warmest month in Mount Annan is January (average daytime high around 29°C) and the coolest is July (around 16.9°C). The area receives roughly 777 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29°C | 18.5°C | 75 mm |
| Feb | 27.6°C | 18°C | 83 mm |
| Mar | 25.7°C | 16.8°C | 128 mm |
| Apr | 23.1°C | 13.2°C | 65 mm |
| May | 19.8°C | 9.6°C | 34 mm |
| Jun | 16.9°C | 7.5°C | 48 mm |
| Jul | 16.9°C | 6.2°C | 53 mm |
| Aug | 18°C | 6.8°C | 49 mm |
| Sep | 21.2°C | 9°C | 34 mm |
| Oct | 24°C | 12.1°C | 72 mm |
| Nov | 25.7°C | 14.3°C | 67 mm |
| Dec | 28°C | 16.7°C | 69 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Mount Annan
Where is Mount Annan?
Mount Annan is a suburb of New South Wales, Australia.
What is the population of Mount Annan?
At the 2021 Census, Mount Annan had a population of about 11,784.
Is Mount Annan an advantaged area?
Mount Annan has an ABS SEIFA score of 1038, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 78 out of 100 — more socio-economically advantaged than about 78% of Australian suburbs.
What is the weather like in Mount Annan?
Mount Annan has average daytime highs of about 23°C and overnight lows of about 12.4°C, with roughly 777 mm of rain across the year (based on 2014–2023 climate normals).
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