Dumbarton is a sparsely populated locality in Western Australia within the Toodyay local government area (postcode 6566). The area has roughly 266 residents and an older-leaning population, with a median age of 51. Households earn a median income of $79K per year, with an average household size of 2.5 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +3.0% year-on-year at the LGA level. WA employment has moved +1.9% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. WA also had 24 Commonwealth-backed major projects under construction, 12 underway, and 12 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, technicians & trades, machinery operators & drivers. Employment in the area leans toward construction and education. The top ancestries reported are Australian, English, Scottish.
Dumbarton has a median house price of $270,000, which has jumped by 68.8% year-on-year. The median weekly rent is $312 (Census 2021). This gives a gross rental yield of approximately 6.0%. The median monthly mortgage repayment is $1,723.
From an investment perspective, Dumbarton shows a gross rental yield of approximately 6.0%, rated as high yield. Property prices sit below the state median ($270K/$1.0M), which can point to relative value. The price-to-income ratio of 3.4x is considered affordable. House prices have moved +68.8% year-on-year. Population growth of +3.0% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.