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New South Wales · Postcode 2250
Ten Mile Hollow postcode and suburb data
New South Wales · Phone area code 02 · 62 km from Sydney
Suburb snapshot
Ten Mile Hollow at a glance vs NSW
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against NSW
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Ten Mile Hollow ranks: household income sits in the bottom 10% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Ten Mile Hollow vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Ten Mile Hollow | NSW avg | AU avg |
|---|---|---|---|
| Median age | 46 | 45.0 | 45.0 |
| SEIFA decile | 7/10 ≈NSW | 6.0/10 | 6.0/10 |
Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Ten Mile Hollow is a locality 62 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2250. It falls within the Sydney - Baulkham Hills and Hawkesbury region. The local government area is Central Coast (NSW).
According to the 2021 Census, Ten Mile Hollow has a population of 6 with a median age of 46.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Ten Mile Hollow scores in decile 7 out of 10, which is above the national average.
Ten Mile Hollow is part of the Hawkesbury statistical area in New South Wales.
Ten Mile Hollow details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2250 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 6 |
| Median Age | 46 years |
| Area | 4.6 km² |
| Population Density | 1/km² |
| Australian Citizens | 133.3% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -33.3240154 |
| Longitude | 151.0859287 |
| Distance from Sydney | 62 km |
| Region (SA4) | Sydney - Baulkham Hills and Hawkesbury |
| Area (SA3) | Hawkesbury |
| Local Government | Central Coast (NSW) |
| Federal Electorate | Robertson |
| State Electorate | The Entrance |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 3 (50.0%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Suburbs Near Ten Mile Hollow
Same Postcode (2250)
More Ten Mile Hollow Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.