Happy Valley is in Onkaparinga LGA, SA, postcode 5159, with population 11,420.
The page has enough signal to be useful, but the story is mixed rather than decisive. Use compare mode to pressure-test it against stronger nearby options, then use the calculator if it still makes the shortlist.
Transport coverage adds a practical access signal. Higher SEIFA context supports a stronger local-quality read.
Houses to Q1'26 · Units to 2024 — house and unit medians are released on separate cycles, so their latest period can differ.
Indicative cashflow is interest-only and excludes tax — use the calculator for a full projection.
Owners with a mortgage repay a median of $1,517/mo, while renters pay about $2,817/mo — renting runs $1,300/mo higher on these medians.
Happy Valley is a well-established suburb in South Australia within the Onkaparinga local government area (postcode 5159). It is home to about 11,420 residents, with an established family demographic and a median age of 42. Households earn a median income of $82K per year, with an average household size of 2.5 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.9% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. SA also had 23 Commonwealth-backed major projects under construction, 2 underway, and 11 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, technicians & trades, clerical & administrative. Employment in the area leans toward healthcare and construction. The top ancestries reported are English, Australian, Scottish.
Median house prices in Happy Valley stand at $910,000, having posted strong gains by 5.4% over the last twelve months. Units have a median price of $660,000 (+73.3% YoY). The current median weekly rent is $650. This gives a gross rental yield of approximately 3.7%. 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.
On the investment side, Gross rental yield sits at around 3.7% (moderate yield). Property prices are near the state median ($910K/$950K). The price-to-income ratio of 11.1x is considered stretched. House prices have moved +5.4% year-on-year. Population growth of +0.9% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
Save suburbs here while you browse. Once the shortlist has two or more names, hand it straight into compare.
No saved AU suburbs yet.
No saved suburbs yet. Start with one ranking or suburb page, then compare once you have two candidates.
Open rankings to save the first candidates.
Happy Valley carries enough direct local evidence for a first-pass decision.
QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.
Official quarterly house sales workbooks; units remain on ABS fallback coverage
Use current rent as a starting signal, not as a fixed underwriting truth.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
Happy Valley is in the Onkaparinga Local Government Area, SA, postcode 5159. Council-level context for Onkaparinga LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
The current median house price in Happy Valley, SA is $910K, based on the latest available sales data from state Valuers General offices and ABS Data by Region.
The median weekly rent in Happy Valley is $650/wk, based on the current market rent dataset. The current rent signal is income-stretched rent market.
Income-stretched rent market: Weekly rent screens at about 59% of annual income. Use this as a suburb screening signal before comparing candidates or modelling a purchase; the matching rent ranking can provide broader market context.
QuickProperty's investment signals for Happy Valley show: Moderate Yield, Near Median, Stretched. These are computed from price, rent, income, and population data — not an opaque score.
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.