Karratha Demographics: Population, Age & Income Profile (WA)

Karratha in Western Australia reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Western Australia has a median weekly income of around $1,496, with a median age of 37 years.

The ABS reports that 27.1% of households in Western Australia are couples with children, while 25.3% are couples without children. Lone person households account for 22.9% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.

Home ownership rates in Western Australia show that 67.2% of households own their home (with or without a mortgage), while 29.2% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Karratha.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Karratha. 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 Karratha property to understand how climate projections may affect your investment.

Karratha (postcode 6714) 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 (22.6% of land in high-risk zones), surface flood (9.2% of land in high-risk zones), riverine flood (5.3% of land in high-risk zones). Exposure is not uniform across Karratha — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.