Somersby
NSWSomersby is a declining suburb in NSW with 1,087 residents.
- SAL code
- 13587
- SA2
- 102011030
- Population
- 1,087
Somersby, NSW had 1,087 residents at the 2021 Census, with the broader statistical area showing a 2.2% decline over the last five years. The predominant age group is 55-64 years, and the median age sits at 47. Households are most often couples with children, and those with a mortgage repay a median of $2,800 a month. Around 72.8% of homes are owner-occupied, with the largest single tenure being owned outright at 44.4%. Most dwellings are separate houses, making up 100.0% of the suburb's housing stock. The suburb has 6 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?1,087
Suburb · Census 2021
5-Year Growth
-2.2%
3yr: -0.7% · 10yr: -2.5%
SA2 · 5yr
Household Income
$2,215/wk
Suburb · Census 2021 median
Median Age
47
Suburb · Census 2021
Socio-Economic Index
?6/10
SA2 · middle-range
Unemployment
?2.2%
SA4 · Q4 2025
Hospitals
No data for this suburb
Childcare services
No data for this suburb
Parks & green space
?6
Parks, reserves
Transport stops
?17
GTFS stops
Dwelling approvals
No data for this suburb
Median Weekly Rent
Based on NSW rental bond lodgements, aggregated at postcode level. All SALs sharing this postcode show the same median.
Median House Sale Price
Source: state Valuer-General (suburb-level quarterly medians).
→ Calculate stamp duty on this suburb's median price→ Estimate mortgage repayments→ Calculate rental yield (price + median rent)
Safety & Crime
2025 Q4Reported incidents from NSW police. Offence rates may not reflect all crime.
Population over time — Calga - Kulnura (SA2)
ABS publishes annual estimates only at SA2; Somersby suburb alone is ~1,087 (Census 2021).
Growth at a Glance
Population grew from 4,793 to 4,678 over 24 years, averaging -0.1% per year.
Government school catchment
Intake zonePrimary
Somersby PS73.0%
- Peats Ridge PS 17.1%
- Niagara Park PS 5.2%
- Kariong PS 3.2%
- Central Mangrove PS 1.0%
- Valley View PS 0.5%
- Ourimbah PS 0.0%
- Gosford PS 0.0%
Secondary
Kariong Mts HS94.3%
- Narara Valley HS 5.7%
- Lisarow HS 0.0%
- Henry Kendall HS 0.0%
Source: NSW Department of Education — School Intake Zones. Boundaries can be amended without notice; confirm with the school before relying on enrolment.
Profile
Census snapshot
Housing
Almost entirely detached houses (100%), owner-occupied (73%).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Hazard data is not yet available for NSW.
Source when available: NSW Rural Fire Service (BFPL) and NSW DPHI EPI Flood.
Planning zones
11 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| RU1 | ZoneRural | 30.8% | 24.62 km² |
| C1 | ZoneEnvironmental | 30.4% | 24.30 km² |
| SP2 | ZoneSpecial use | 9.1% | 7.31 km² |
| RU3 | ZoneRural | 7.2% | 5.76 km² |
| C2 | ZoneEnvironmental | 7.0% | 5.58 km² |
| RU2 | ZoneRural | 4.4% | 3.52 km² |
| E4 | ZoneEnvironmental | 4.1% | 3.31 km² |
| C3 | ZoneEnvironmental | 2.8% | 2.21 km² |
| RE1 | ZoneRecreation | 2.2% | 1.74 km² |
| C4 | ZoneEnvironmental | 1.7% | 1.36 km² |
| RU5 | ZoneRural | 0.1% | 0.09 km² |
Source: NSW DPHI EPI Land Zoning (ZONE_NSW/2026-04-29/1eccf1a530fa1be5) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.