Plainby Demographics: Population, Age & Income Profile (QLD)
Liveability Score
6.0/10Plainby is a suburb in Queensland with demographic characteristics shaped by its location and housing stock
Key Facts
- Median Age
- 38 years (state avg)
- Median Household Income
- $1,310/wk (state avg)
- Families with Children
- 28.3% of households
- Home Ownership
- 65.4% own — 31.9% rent
- Postcode
- 4355
- Highest high-risk exposure
- 21.4% of land (bushfire)
Demographics Analysis
Plainby in Queensland reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Queensland has a median weekly income of around $1,310, with a median age of 38 years. Understanding these demographics helps home buyers evaluate whether a suburb suits their lifestyle needs and investment goals.
The ABS reports that 28.3% of households in Queensland are couples with children, while 26.5% are couples without children. Home ownership rates in Queensland show 65.4% of households own their home, while 31.9% rent. These tenure patterns affect property turnover and neighbourhood stability.
For home buyers considering Plainby, demographic data provides valuable context for property decisions. Suburbs with younger median ages typically attract first home buyers and families, while established suburbs with higher owner-occupier rates often have lower turnover and more stable property values. The demographic profile also influences local amenity demand — from school provision to retail and healthcare services. ABS QuickStats provides the most detailed suburb-level demographic data for Queensland.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Plainby. Different demographic groups face different climate exposure profiles — families may prioritise heat safety near schools, while retirees may be more concerned about insurance costs in flood-prone areas. Get an address-level climate risk report for your Plainby property to understand how climate projections may affect your investment.
Plainby (postcode 4355) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (21.4% of land in high-risk zones), riverine flood (15% of land in high-risk zones), surface flood (13.1% of land in high-risk zones). Exposure is not uniform across Plainby — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.
Explore Plainby Risk Reports
View other climate risk assessments for Plainby:
Frequently Asked Questions
What is the population of Plainby?
Population data for Plainby comes from the ABS 2021 Census, the most recent national census. For the most current suburb-level population data, refer to ABS QuickStats or consult the Queensland state government's population projections. Understanding population trends helps home buyers assess housing demand, infrastructure investment, and neighbourhood character.
What is the median age in Plainby?
The median age for Queensland is 38 years according to the 2021 ABS Census, which serves as a reference point for Plainby. A younger median age often indicates more families and first home buyers, while older demographics suggest established households and potentially lower turnover. Both have implications for property demand and investment strategy.
What is the average household income in Plainby?
The median weekly household income in Queensland is $1,310 per week (ABS 2021 Census). Household income affects serviceability for mortgage lending, rental affordability, and the type of housing stock in demand within a suburb. Higher-income areas typically support stronger property values and faster capital growth. Combine demographic research with a climate risk report from ClimateNest for a complete property assessment.
What type of people live in Plainby?
The demographic profile of Plainby is broadly shaped by its location within Queensland. According to the ABS Census, 28.3% of households in the state are couples with children, while 26.5% are couples without children. The overall population of Queensland has a median age of 38 — use this as context when assessing the demographic character of Plainby.
What share of Plainby is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 21.4% of Plainby in high-risk zones for bushfire, with a further 64.5% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.
Is Plainby Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Plainby, Queensland, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections