Sea Lake at a glance
Median house
$230,000
Median unit
$102,960
Walk score
8
Very car dependent
Population
619
Median age 51
The brief
What to know about Sea Lake.
The postcode for Sea Lake is 3533 (VIC).
The median house price in Sea Lake is $230,000.
Sea Lake (3533) sits in the Swan Hill region of Victoria. The median house here is $230,000, well below the Victoria median of around $850K.
Sea Lake has roughly 619 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
Day to day
What it’s like to live here.
Sea Lake scores 8/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Schooling within or near the suburb covers 1 Catholic.
Who lives here
Demographics.
The 2021 Census put Sea Lake's population at 619, with a median age of 51. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (79% own, 15% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (60% family households, 37% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
619
Median age
51
Family households
60%
Lone person
37%
Demographics data as of May 2026· ABS 2021 Census
Houses change hands at $230,000 on a typical sale, well below the Victoria median. Units come in around $102,960, roughly 55% below the house median.
For buyers
A 20% deposit on the median house works out to roughly $46,000. Prices are well below the Victoria median, which keeps Sea Lake on the radar for first-home buyers and right-sizers.
Market
The price of a home here.
Median house price
$230,000
+0.0% over the past year. Median unit price $102,960.
Sales data as of May 2026· sales-vic
Rental and ownership
Weekly rent (house)
$140/wk
Weekly rent (unit)
$140/wk
Owner occupied
79%
Renter occupied
15%
At a deeper level
$230,000
$102,960
619
Median age: 51
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For investors
Investment overview.
Gross rental yield on houses sits at 3.17% (median rent $140/wk against a $230,000 price tag). Units yield 7.07% gross, often the better cash-flow play for first-time investors. Renter share is modest (15%), so the rental pool is smaller and tenant demand can be patchier than in higher-density suburbs.
Gross Yield (House)
Source: Land Victoria / DTP · May 20263.17%
Based on $230,000 median
Gross Yield (Unit)
Source: Land Victoria / DTP · May 20267.07%
Based on $102,960 median
Annual Growth (House)
Source: Land Victoria / DTP · May 2026–
Year-on-year capital growth
Annual Growth (Unit)
Source: Land Victoria / DTP · May 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202679%
Higher = more owner-occupier demand
Days on Market
Source: Land Victoria / DTP · May 2026–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
Safety
Crime and safety.
17
total offences in 2025
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of December 2025· State Police Open Data
Getting around
Walkability.
8
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Sea Lake.
Local schools for Sea Lake
View the catchment for each school to find out more.
Government School Catchment
Tyrrell College
Non-Government Schools
St Mary's School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Sea Lake.
- What is the median house price in Sea Lake?
- The median house price in Sea Lake, VIC 3533 is $230,000. The median unit price is $102,960.
- What is the Sea Lake postcode?
- Sea Lake is in the 3533 postcode, in VIC, in the Swan Hill Rural City Council region.
- Where is Sea Lake?
- Sea Lake is a regional suburb in VIC, postcode 3533, in the Swan Hill Rural City Council region.
- What is the average rent in Sea Lake?
- The median weekly rent for houses is $140, for units it's $140.
- What schools are in Sea Lake?
- There are 2 schools serving Sea Lake on this page, including Tyrrell College, St Mary's School.
- How walkable is Sea Lake?
- Sea Lake has a Walk Score of 8 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Sea Lake?
- Sea Lake is close to Myall, Boigbeat, Tyrrell, Banyan, Ninda.
- What is the population of Sea Lake?
- The population of Sea Lake is approximately 619 (2021 Census). The median age is 51.
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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