Happy Valley SA

Postcode 5159 · Onkaparinga LGA

Happy Valley is a well-established suburb in South Australia within the Onkaparinga local government area (postcode 5159). With a population of 11,420, the suburb has an established demographic with a median age of 42. Households earn a median income of $82K per year, with an average household size of 2.5 people. The most common occupations are professionals, technicians & trades, clerical & administrative. The top ancestries reported are English, Australian, Scottish.

The median house price in Happy Valley is $863,000, having grown strongly 6.5% over the past year. Units have a median price of $660,000 (+73.3% YoY). The current median weekly rent is $630. This gives a gross rental yield of approximately 3.8%. The median monthly mortgage repayment is $1,517.

Happy Valley is served by 2 schools, including 2 primary. The average ICSEA score is 1032, which is around the national average of 1,000. Public transport access includes 97 bus stops. The crime rate in the Onkaparinga LGA is low at 1,778 incidents per 100,000 population.

From an investment perspective, Happy Valley offers a gross rental yield of 3.8%, rated as moderate yield. Property prices are near the state median ($863K/$950K). The price-to-income ratio of 10.6x is considered stretched. House prices have moved +6.5% year-on-year.

INVESTMENT SIGNALS
Rental Yield3.8% Moderate Yield
Price vs State$863K/$950K Near Median
Affordability10.6x Stretched
Price Momentum+6.5% Rising
INCOME (ATO 2022-23)
Median Income$57,701
Mean Income$63,160
Earners9,045
YoY Change+4.1%
SEIFA INDEX (ABS)
Advantage7/10
Education6/10
Economic6/10
Disadvantage6/10
MEDIAN HOUSE
$863K
6.5% YoY
MEDIAN UNIT
$660K
73.3% YoY
MEDIAN RENT /WK
$360
POPULATION
11,420
DEMOGRAPHICS
Median Age42
Household Size2.5
HH Income /wk$1,573
Personal Income /wk$773
Mortgage /mth$1,517
CRIME (Onkaparinga LGA)
Crime Rate (per 100k)1,778
Total Incidents203
TRANSPORT
Bus Stops97
SCHOOLS (2)
Avg ICSEA1032
Total Students685
Government2
Braeview SchoolPrimary · Government · ICSEA 1032
Happy Valley Primary SchoolPrimary · Government · ICSEA 1033
Data: 2025-Q4