Somerville, VIC 3912 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Somerville is a suburb of Victoria, postcode 3912, home to 11,767 residents with an established residential profile. Located in the Casey local government area and roughly 50 km from the Melbourne CBD.
Snapshot
Demographics
- Population
- 11,767
- Median age
- 40 years
- Median household income
- $1,781 /week
- Median personal income
- $809 /week
- Median family income
- $2,149 /week
- Average household size
- 2.6
- Persons per bedroom
- 0.8
- Local government area
- Mornington Peninsula
- Statistical region (SA4)
- Mornington Peninsula
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Holt
Property & cost of living
- Median rent
- $380 /week
- Median monthly mortgage
- $1,800
- Rent share of household income
- 21%
Schools
- Pearcedale Primary School
- Somerville Primary School
- Baxter Primary School
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 1 park or reserve
Climate
- Warmest month: Jan (25.9°C avg max)
- Coolest month: Jul (13.5°C avg max)
- Annual rainfall: 648 mm
- Reference station: Melbourne Regional Office, 50.7 km away
NBN & connectivity
Fibre to the Node serves 55.4% of the 5,678 resolvable premises in Somerville. Most premises here connect via fibre to a street cabinet, then copper into the home. Speeds depend heavily on the copper run length — NBN 100 is rarely achievable on long runs.
- Fibre to the Premises: 40.4%
- Fibre to the Node: 55.4%
- Fixed Wireless: 4.1%
- Sky Muster (Satellite): 0.1%
Safety
- Recorded offences: 831 across postcode 3912 in the year to December 2025.
- Most common categories: 496 property offences, 130 violent offences, 55 drug offences.
- Wider Mornington Peninsula LGA: 7,089 offences per 100,000 residents.
Frequently asked questions
What is the population of Somerville?
Somerville (VIC 3912) had 11,767 residents at the most recent ABS Census. The median age is 40. It sits within the Mornington Peninsula local government area.
What is the median rent in Somerville?
The median advertised rent in Somerville is $380/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Somerville?
Yes — 3 schools are listed within or near Somerville covering government sectors. Nearest include: Pearcedale Primary School (1.7 km), Somerville Primary School (4.3 km), Baxter Primary School (4.5 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Somerville?
Somerville is predominantly served by Fibre to the Node (55.4% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Somerville?
Across postcode 3912, 831 offences were recorded in the 12 months to December 2025. The most common offence categories were property (496), violent (130), drug offences (55). 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 Somerville?
In Somerville, mean daily temperatures range from 10.3°C to 19.9°C and annual rainfall is 648 mm measured at the Melbourne Regional Office weather station (50.7 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: