- Home
- Northern Territory
- Northern Territory - Outback
- Katherine
- Hidden Valley
Northern Territory · Postcode 0822
Hidden Valley postcode and suburb data
Northern Territory · Phone area code 08 · 8 km from Darwin
Suburb snapshot
Hidden Valley at a glance vs NT
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against NT
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Hidden Valley ranks: household income sits in the bottom 10% of NT suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Hidden Valley vs the NT average and the national average, using population-weighted 2021 Census data.
| Metric | Hidden Valley | NT avg | AU avg | Greater Darwin |
|---|---|---|---|---|
| Median age | 17 | 33.0 | 45.0 | 35.0 |
Green pill = at least 10% above the NT average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Hidden Valley is a locality 8 km from Darwin in Northern Territory, classified as outer regional by the ABS. The postcode is 0822. It falls within the Northern Territory - Outback region. The local government area is Darwin.
According to the 2021 Census, Hidden Valley has a population of 3 with a median age of 17. The Indigenous population is 3 (100.0% of residents).
Hidden Valley is part of the Katherine statistical area in Northern Territory.
Hidden Valley details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 0822 |
| State | Northern Territory (NT) |
| Phone Area Code | 08 |
| Population (2021) | 3 |
| Median Age | 17 years |
| Median Personal Income (Census 2021) | $399/week |
| Area | 7.7 km² |
| Population Density | 0/km² |
| Australian Citizens | 100.0% |
| Indigenous Population | 3 (100.0%) |
| Latitude | -12.4447 |
| Longitude | 130.912 |
| Distance from Darwin | 8 km |
| Region (SA4) | Northern Territory - Outback |
| Area (SA3) | Katherine |
| Local Government | Darwin |
| State Electorate | Spillett |
| Time Zone | ACST (UTC+9:30), Australia/Darwin (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 3 (100.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
Suburbs Near Hidden Valley
Same Postcode (0822)
More Hidden Valley 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.