Williamstown is in Barossa LGA, SA, postcode 5351, with population 2,981.
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.
Higher SEIFA context supports a stronger local-quality read.
Price series isn't recorded for this suburb. Census housing data is shown instead.
Owners with a mortgage repay a median of $1,500/mo, while renters pay about $1,950/mo — renting runs $450/mo higher on these medians.
Located in South Australia within the Barossa local government area, Williamstown is a compact suburb (postcode 5351). The area has roughly 2,981 residents and an established family demographic, with a median age of 42. Households earn a median income of $93K per year, with an average household size of 2.7 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.7% 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 technicians & trades, professionals, managers. Employment in the area leans toward healthcare and manufacturing. The top ancestries reported are English, Australian, German.
The current median weekly rent is $450. The median monthly mortgage repayment is $1,500.
Williamstown is served by 1 school, including 1 primary. The average ICSEA score is 1001, which is around the national average of 1,000. The crime rate in the Barossa LGA is low at 1,946 incidents per 100,000 population.
On the investment side, Population growth of +0.7% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
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There is enough direct local evidence on Williamstown 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.
Williamstown is in the Barossa Local Government Area, SA, postcode 5351. Council-level context for Barossa LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
The median weekly rent in Williamstown is $450/wk, based on the current market rent dataset. The current rent signal is rent context available.
Rent context available: Williamstown has usable rent context. 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 Williamstown show: Stable, Steady. 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.