IRSAD
Relative Socio-economic Advantage and Disadvantage
Score 918
Measures relative socio-economic advantage and disadvantage.
Within AustraliaDecile 2 of 10
Within New South WalesDecile 2 of 10
For state-level context, explore the New South Wales economy.
Housing
Gunderman
New South Wales · Census 2021
$718k-7.4% yrmedian house · Dec 2025
Gunderman is a leafy residential suburb of Central Coast (NSW).
Median house price
$718k25th pctile
of 2,365 priced NSW suburbs
Household income
$1,062/wk15th pctile
of 4,352 NSW suburbs
Amenity score
3/10017th pctile
of 2,112 rated NSW suburbs
Median house price
Rolling median of settled transfers, state Valuer-General open data (CC BY 4.0). Median of New South Wales suburb medians: $1.0M.
How it compares
Median house price25th percentile
<$160k2,365 priced suburbs$5.5M+
Household income / wk15th percentile
<$564ABS Census 2021$3,833+
Median house price-52% vs Greater Sydney · -13% vs Rest of NSW
SydneyRest of state
Greater Sydney $1.49M · Rest of NSW $825kGunderman $718k
Percentiles rank this suburb against New South Wales suburbs that carry the metric — never across states, and never against suburbs where it is missing. Price references are ABS median established-house transfer prices for the Mar 2026 quarter (CC BY 4.0); the suburb figure is a Valuer-General median over a different window, so read the gap as indicative. Income references are the Census 2021 median of the middle suburb in New South Wales and nationally, not a household-weighted median.
People & housing
Population
189
Median age
54 yrs
Income / person / wk
$725
Household income / wk
$1,062
▼ 33% vs NSW
Median rent / wk
$250
Mortgage / month
$1,625
Who lives here
- Couples with children
- 14%
- −19 pts vs NSW
- Living alone
- 52%
- +27 pts vs NSW
- Unemployment
- 12%
- +7 pts vs NSW
- In the labour force
- 53%
- −5 pts vs NSW
- Bachelor degree or higher
- 17%
- −10 pts vs NSW
- Earning $1–$499 a week
- 30%
- +7 pts vs NSW
- Earning $2,000+ a week
- 10%
- −3 pts vs NSW
Households for the family mix, residents aged 15+ for work, education and income; unemployment is a share of the labour force. NSW figures weight each suburb by its dwellings or residents. ABS Census 2021 (CC BY 4.0). Withheld for very small populations — under 100 residents, or under 50 dwellings, households or workers for the shares that count those.
Housing stock
88 occupied private dwellings
- Owned outright 39%
- Mortgaged 35%
- Rented 17%
- Other & not stated 9%
NSW: 31% owned outright · 33% mortgaged · 33% rented
ABS Census 2021 (CC BY 4.0). Withheld for very small populations — under 100 residents, or under 50 dwellings, households or workers for the shares that count those.
Socio-economic profile
IRSD
Relative Socio-economic Disadvantage
Score 931
Measures relative socio-economic disadvantage only; a higher score means less disadvantage.
Within AustraliaDecile 2 of 10
Within New South WalesDecile 2 of 10
IER
Economic Resources
Score 937
Measures access to economic resources, including income, housing costs and assets.
Within AustraliaDecile 2 of 10
Within New South WalesDecile 1 of 10
IEO
Education and Occupation
Score 921
Measures relative education and occupation characteristics.
Within AustraliaDecile 3 of 10
Within New South WalesDecile 2 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
156 m
range 0–282 m
Land below 5 m
6.1%
1.9% 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. No flood map lodged in the NSW planning instruments for most of this suburb; most councils keep theirs in a development control plan. 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.
Planning & zoning
Zoning mix (share of the suburb's land)
Show on map →- Conservation97%
- Waterways2.5%
- Infrastructure & special purpose0.5%
In a heritage area
0%
conservation area / Heritage Overlay
Show on map →Listed heritage places
8
items in the LEP heritage schedule
Planning instrument: Central Coast Local Environmental Plan 2022. Zones are grouped into ten families so states compare; the council's own scheme is the authority for any one lot. Listed-place counts follow each state's own list, so they do not compare across states. Source: NSW EPI Land Zoning; NSW EPI Heritage.
Local amenities
Schools
0
Supermarkets
0
Pubs & bars
0
Parks
2
Libraries
0
GP clinics
0
Pharmacies
0
Hospitals
0
Nearest supermarket
23.7 km
Nearest train
23.3 km
Nearest hospital
26.1 km
Distance to coast
6.6 km
Amenity counts via © OpenStreetMap contributors (ODbL) & Geoscience Australia HealthDirect (CC BY 4.0). Distance to coast derived from ABS state boundaries (CC BY 4.0).
Culture & community
- Dominant religion
- No religion · 45%
- Top language at home
- Filipino · 2%
- No religion
- 45%
- Born overseas
- 21%
- English only at home
- 93%
Schools by sector
- Nearest secondary
- 18.8 km
School sector & type: ACARA (Australian Curriculum, Assessment and Reporting Authority), School Location dataset.
Local council
- Council (LGA)
- Central Coast
- Population
- 357,816 (2025) · +0.7% in a year
- Area / density
- 1,681 km² · 213/km²
- Council medians (2021)
- age 43 · $1,507/wk household income · $400/wk rent
- Council-wide house median (2023-24)
- $950k
- Federal grants
- $33.51M in 2025-26 · $94/resident
Council boundaries and the suburb split: ABS ASGS LGA 2024, allocated by 2021 mesh block and weighted by Census 2021 residents. Population: ABS Estimated Resident Population 2025. Medians: ABS Census 2021. House median: ABS Data by Region, established-house transfers across the whole council, financial year 2023-24. Federal grants: Financial Assistance Grants, Dept of Infrastructure. ABS and Dept of Infrastructure data CC BY 4.0.
Representation
- Federal division
- Robertson
- Federal MP
- Gordon Reid (ALP)
- Two-party-preferred
- Labor 59% 2PP
- State electorate
- Gosford
- State MP
- Liesl Tesch (ALP)
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); NSW Environmental Planning Instrument — Land Zoning, NSW Department of Planning (CC BY); NSW Environmental Planning Instrument — Heritage, NSW Department of Planning (CC BY); Wikipedia state-member tables (CC BY-SA 4.0). Not financial advice.