Karnup
Suburb profile, market snapshot and recent listings for Karnup, WA 6176.
About Karnup
Welcome to Karnup
Karnup sits in Perth's southern coastal corridor, part of the City of Rockingham and roughly 50 kilometres south of the Perth CBD. It's a suburb still very much in transition — bushland and market gardens giving way to new residential estates — which gives it a frontier feel that appeals to buyers priced out of the more established coastal suburbs further north.
With a population of just over 2,000 and a median age of 30, Karnup has become a magnet for young families and first-home buyers chasing land and new-build homes within reach of the coast. It sits alongside Singleton, Golden Bay and Lakelands, with Secret Harbour and its beaches and shopping precinct just a short drive south.
Housing & architecture
New estates dominate Karnup's streetscape, with contemporary single and double-storey homes on generous blocks reflecting its status as one of the growth corridor's newer suburbs. Current listings run heavily toward houses, at 83%, with the remaining 17% made up of vacant land — a sign that construction is still very much underway and there's opportunity for buyers wanting to build rather than buy established.
Expect double garages, open-plan living and modern facades typical of display-home design, aimed squarely at families upgrading from apartments or older homes elsewhere in the metro area. As the suburb fills in, architecture is likely to stay consistent in style with neighbouring Lakelands and Golden Bay, which have followed a similar development path.
The property market
Karnup's median house price currently sits at $800,000, after growth of 15.9% — a strong run that reflects buyer demand for new land and homes in Perth's southern corridor. Median rent is $650 a week, putting the suburb in solid territory for investors as well as owner-occupiers, particularly given the relatively young, working population moving through the area.
The dwelling mix of mostly houses with a meaningful share of vacant land suggests the market here still has room to grow as estates complete. Buyers comparing options often look at Karnup alongside Golden Bay, Singleton and Lakelands, though Karnup's more recent development phase means there's still stock available for those wanting to build a custom home rather than buy something already finished.
Getting around
Karnup Road and the Kwinana Freeway provide the main arteries linking the suburb to greater Perth, with the CBD around 50 kilometres north — a commute best suited to those working locally in Rockingham or Mandurah, or willing to drive or use public transport for the longer haul into the city. The Kwinana Freeway extension and nearby Karnup train station (part of the Mandurah line) have improved rail access for residents, cutting down on freeway dependency for commuters heading north.
Locally, most day-to-day trips are by car, with Golden Bay, Secret Harbour and Lakelands all a short drive away for shopping, schooling and recreation until Karnup's own town centre and services fully mature.
Schools & families
Karnup is home to Rockingham Montessori School's Karnup Campus, giving local families an alternative education option right on their doorstep. For other schooling needs, families typically look to the established public and private schools in neighbouring Secret Harbour, Golden Bay and Lakelands, all within easy driving distance.
With a median age of 30 and a strong skew toward young households, the suburb has been shaped around family living — new estates typically include parks, playgrounds and open space designed with children in mind, and the ongoing development means more community infrastructure is likely as the population grows.
Lifestyle & dining
Karnup's lifestyle offering is still developing alongside its housing stock, so most residents head to Secret Harbour or Golden Bay for cafes, restaurants and the beach. Secret Harbour's coastal foreshore and surf beach are a short drive away and a major drawcard for locals wanting sand and surf without living directly on the coast.
The suburb's semi-rural fringes and pockets of remaining bushland offer a quieter, more open feel than the denser coastal suburbs, which suits residents after a bit more breathing room, while still being close enough to Rockingham and Mandurah for a broader range of dining and entertainment options.
Market snapshot
Karnup property market
Median sale price
$800k
House · 4 bed
Median rent
$650
per week
Gross rental yield
4.2%
annual rent ÷ sale price
Typical price range
Entry
$684k
Median
$800k
Premium
$1.82m
Days on market
9
Auction clearance
0%
Sold this year
36
Median sold price trend · House 4 bed
Compound growth +17.5% / yr over 4 yrs
Median price by bedrooms · House
Property types on market
Share of current listings in Karnup by dwelling type.
Who lives here
Demographics
ABS Census 2021 figures for Karnup, WA 6176.
Population
2,096
residents (2021)
Median age
30
years
Household income
$2,122
median, per week
Median rent
$370
per week
Median mortgage
$1,857
per month
Mortgage / income
20%
comfortable
Source: Australian Bureau of Statistics, Census of Population and Housing 2021. Suburb-level (SAL) aggregates.
Education
Schools in Karnup
Independent & Catholic schools
Rockingham Montessori School - Karnup Campus
Recent results
Recently sold in Karnup
$1.30m
LOT 34 MALLEE DRIVE
Sold ~July 2026
$783k
3 Persimmon Crescent
Sold ~July 2026
$865k
4 Aero Way
Sold ~July 2026
$2.80m
97 Winery Drive
Sold ~June 2026
$925k
7 Persimmon Crescent
Sold ~June 2026
$43k
Lot 6/338 Fletcher Road
Sold ~June 2026
$698k
20 Brandeis Grove
Sold ~June 2026
$845k
55 Persimmon Crescent
Sold ~June 2026
Sold prices as published on the original listing; some may reflect the last advertised price. Dates are approximate.
Explore the area
Properties & amenities in Karnup
Compare the area
Price map around Karnup
Every listing for sale near Karnup, coloured by price — so you can see how it stacks up against the streets and suburbs next door.
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Nearby suburbs
Quick switch to nearby areas
Common questions
Karnup suburb FAQ
What is the median property price in Karnup?
The median house price in Karnup, WA is $800k for a 4-bedroom home. Over the past year, median sold prices have risen about 15.9%.
How much is rent in Karnup?
The median weekly rent in Karnup is around $650 per week.
Is Karnup a good place to live?
Karnup is an outer southern suburb of Perth, the capital city of Western Australia, located within the City of Rockingham. Karnup is an established residential suburb in WA, with a population of around 2,096 and 1 school in the area.
What is the population of Karnup?
Karnup has a population of 2,096 (ABS 2021 Census), with a median age of 30.
What schools are in Karnup?
There is 1 school in or near Karnup, including Rockingham Montessori School - Karnup Campus.
How long do homes take to sell in Karnup?
Properties in Karnup take around 9 days to sell on average, with an auction clearance rate of about 0%.
How much do you need to buy in Karnup?
Entry-level properties in Karnup start around $684k, while premium homes reach $1.82m.
What suburbs are near Karnup?
Suburbs near Karnup include Singleton, Golden Bay, Lakelands, Bay and Secret Harbour.
Fresh to market
New this week in Karnup
CENTRAL CONVENIENCE WITH SOUGHT AFTER ADDED EXTRAS INCLUDING DRIVE THROUGH ACCESS AND A BUILT-IN WORKSHOP
Live the Lifestyle many dream about
THE WINDOW IS OPEN - BUT IT WON'T STAY OPEN.
Available now