Seaham, NSW 2324 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Seaham is a suburb of New South Wales, postcode 2324, home to 1,011 residents with an established residential profile. Located in the Maitland local government area (Inner Regional Australia) and roughly 173 km from the Sydney CBD.
Snapshot
Demographics
- Population
- 1,011
- Median age
- 41 years
- Median household income
- $2,312 /week
- Median personal income
- $839 /week
- Median family income
- $2,454 /week
- Average household size
- 3.1
- Persons per bedroom
- 0.8
- Local government area
- Port Stephens
- Statistical region (SA4)
- Hunter Valley exc Newcastle
- Remoteness classification
- Inner Regional Australia
- Federal electorate
- Paterson
Property & cost of living
- Median rent
- $360 /week
- Median monthly mortgage
- $2,149
- Rent share of household income
- 16%
Schools
School data refreshes annually from ACARA and state education departments.
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 2 parks and reserves
Climate
- Warmest month: Jan (28.3°C avg max)
- Coolest month: Jul (17.2°C avg max)
- Annual rainfall: 1134 mm
- Reference station: Williamtown RAAF, 49.7 km away
NBN & connectivity
Fixed Wireless serves 96.7% of the 418 resolvable premises in Seaham. Most premises here are served by NBN Fixed Wireless from a nearby tower. Speed is shared with neighbours and weather-sensitive; plans up to NBN 100 are available where signal allows.
- Fixed Wireless: 96.7%
- Sky Muster (Satellite): 3.3%
Safety
- Recorded offences: 2,112 across postcode 2324 in the year to Dec 2025 (down 13% on the prior year).
- Most common categories: 700 violent offences, 424 theft, 264 property damage.
Nearby suburbs
Frequently asked questions
What is the population of Seaham?
Seaham (NSW 2324) had 1,011 residents at the most recent ABS Census. The median age is 41. It sits within the Port Stephens local government area.
What is the median rent in Seaham?
The median advertised rent in Seaham is $360/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
What NBN technology is available in Seaham?
Seaham is predominantly served by Fixed Wireless (96.7% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Seaham?
Across postcode 2324, 2,112 offences were recorded in the 12 months to Dec 2025. The most common offence categories were violent (700), theft (424), property damage (264). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Seaham?
In Seaham, mean daily temperatures range from 12.5°C to 23.2°C and annual rainfall is 1,134 mm measured at the Williamtown RAAF weather station (49.7 km away). Long-term averages from the Bureau of Meteorology.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: