Summertown is a small locality in South Australia within the Adelaide Hills local government area (postcode 5141). The area has roughly 752 residents and an established family demographic, with a median age of 43. Households earn a median income of $117K per year, with an average household size of 2.9 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.0% year-on-year at the LGA level. SA employment has moved +1.6% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. SA also had 21 Commonwealth-backed major projects under construction, 7 underway, and 7 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, managers, clerical & administrative. Employment in the area leans toward healthcare and education. The top ancestries reported are English, Australian, German.
The median house price in Summertown is $1.4 million, having increased by 2.1% over the past year. The current median weekly rent is $1050. This gives a gross rental yield of approximately 3.9%. The median monthly mortgage repayment is $2,167.
Public transport access includes 11 bus stops. The crime rate in the Adelaide Hills LGA is low at 665 incidents per 100,000 population.
On the investment side, Summertown shows a gross rental yield of approximately 3.9%, rated as moderate yield. Property prices are above the state median ($1.4M/$980K), placing it in the premium segment. The price-to-income ratio of 11.9x is considered stretched. House prices have moved +2.1% year-on-year. Population growth of +1.0% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.