Located in Queensland within the Southern Downs local government area, Killarney is a small locality (postcode 4373). The area has roughly 918 residents and an older demographic, with a median age of 57. Households earn a median income of $48K per year, with an average household size of 2.1 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. 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 labourers, managers, sales. Employment in the area leans toward retail trade and agriculture. The top ancestries reported are English, Australian, Irish.
The median weekly rent is $240 (Census 2021). The median monthly mortgage repayment is $1,083.
Killarney is served by 1 school, including 1 combined. The average ICSEA score is 946, which is below the national average of 1,000. Public transport access includes 5 bus stops. The crime rate in the Southern Downs LGA is moderate at 4,105 incidents per 100,000 population.
From an investment perspective, 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.