IRSAD
Relative Socio-economic Advantage and Disadvantage
Score 969
Measures relative socio-economic advantage and disadvantage.
Within AustraliaDecile 4 of 10
Within New South WalesDecile 4 of 10
For state-level context, explore the New South Wales economy.
Housing
Sleepy Hollow
New South Wales · Census 2021
$1.65Mmedian house · Dec 2025
Sleepy Hollow is a leafy residential suburb of Tweed.
Median house price
$1.65M78th pctile
of 2,433 priced NSW suburbs
Household income
$1,375/wk37th pctile
of 4,352 NSW suburbs
Median house price
Rolling median of settled transfers, state Valuer-General open data (CC BY 4.0). New South Wales average of suburb medians: $1.4M.
How it compares
Median house price78th percentile
<$169k2,433 priced suburbs$5.5M+
Household income / wk37th percentile
<$564ABS Census 2021$3,833+
Percentiles rank this suburb against New South Wales suburbs that carry the metric — never across states, and never against suburbs where it is missing. The state and national figures are the average of the latest suburb medians in that area, not a transaction-weighted median.
People & housing
Population
123
Median age
47 yrs
Income / person / wk
$664
Household income / wk
$1,375
▼ 19% vs NSW
Median rent / wk
$325
Mortgage / month
$2,650
Socio-economic profile
IRSD
Relative Socio-economic Disadvantage
Score 998
Measures relative socio-economic disadvantage only; a higher score means less disadvantage.
Within AustraliaDecile 5 of 10
Within New South WalesDecile 4 of 10
IER
Economic Resources
Score 1,010
Measures access to economic resources, including income, housing costs and assets.
Within AustraliaDecile 5 of 10
Within New South WalesDecile 4 of 10
IEO
Education and Occupation
Score 980
Measures relative education and occupation characteristics.
Within AustraliaDecile 6 of 10
Within New South WalesDecile 5 of 10
Scores are standardised across Australia to a mean of 1,000 and a standard deviation of 100. Deciles run from 1 (most disadvantaged) to 10 (least disadvantaged).
Source: ABS SEIFA 2021 (CC BY 4.0).
Terrain & hazard exposure
Median elevation
34 m
range 0–251 m
Land below 5 m
8.5%
1.8% below 2 m
Shares are the proportion of the suburb's land area. Land where Landsat saw water in at least 1% of clear passes since 1987, excluding permanent water and filtered by DEA's confidence layer. Satellites miss flood peaks, so this is a floor, not a risk estimate; dense high-rise cores can still register tower shadow as water. A statutory planning-control boundary, not a flood extent, and it can lag the latest flood study. NSW councils have owned flood-map currency since July 2021, so the state layer may be older than a council's own study. Designated for development control; a designation, not a prediction of fire behaviour. Elevation is orthometric height from a 30 m model; no hydrology or drainage is modelled.
Culture & community
- Dominant religion
- No religion · 51%
- Top language at home
- English only
- No religion
- 51%
- Born overseas
- 5%
- English only at home
- 94%
Schools by sector
- Nearest secondary
- 14.4 km
School sector & type: ACARA (Australian Curriculum, Assessment and Reporting Authority), School Location dataset.
Local council
- Council (LGA)
- Tweed
- Population / area
- 97,439 · 1,308 km²
- Density
- 75/km²
- Federal grants
- $13.80M/yr · $142/resident
Council boundary: ABS ASGS LGA 2024. Federal grants: Financial Assistance Grants, Dept of Infrastructure. All CC BY 4.0.
Representation
- Federal division
- Richmond
- Federal MP
- Justine Elliot (ALP)
- Two-party-preferred
- Labor 60% 2PP
- State electorate
- Tweed
- State MP
- Geoff Provest (NAT)
Comparable suburbs
Closest by median house price across NSW.
Similar suburbs
Closest demographic & amenity profile, nationally.
Sources: ABS ASGS boundaries (CC BY 4.0); ABS Census 2021 (CC BY 4.0); New South Wales Valuer-General settled transfers (CC BY 4.0); Australian Electoral Commission (CC BY 4.0); Geoscience Australia 1 Second DEM-S (CC BY 4.0); DEA Water Observations Statistics, Geoscience Australia (CC BY 4.0); NSW Environmental Planning Instrument — Flood, NSW Department of Planning (CC BY 4.0); NSW Bush Fire Prone Land, NSW Rural Fire Service (CC BY 4.0); Wikipedia state-member tables (CC BY-SA 4.0). Not financial advice.