Fifteen Mile (postcode 4352) is a small, quiet locality in Queensland within the Lockyer Valley local government area. It is home to about 37 residents, with a predominantly early-career demographic and a median age of 26. Households earn a median income of $195K per year, with an average household size of 3.6 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +2.4% year-on-year at the LGA level. QLD employment has moved +1.4% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. QLD also had 35 Commonwealth-backed major projects under construction, 16 underway, and 30 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 clerical & administrative, professionals, technicians & trades. Employment in the area leans toward construction and manufacturing. The top ancestries reported are Australian, English, Scottish.
The median weekly rent is $575 (Census 2021). The median monthly mortgage repayment is $2,080.
The crime rate in the Lockyer Valley LGA is moderate at 5,344 incidents per 100,000 population.
On the investment side, Population growth of +2.4% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.