Karratha

An assessment of population growth drivers in Karratha reveals an overall ranking slightly below national averages considering recent, and medium term trends

According to the analysis conducted by AreaSearch, the population of Karratha stands at approximately 19,659 as of May 2026. This represents an expansion of 2,646 individuals (15.6%) relative to the 2021 Census, which recorded 17,013 residents. This adjustment is calculated using the June 2025 ABS estimated resident population of 19,659 combined with 164 validated new addresses confirmed since the Census. With these figures, the population density reaches 146 persons per square kilometer, indicating low density and capacity for future expansion. The 15.6% growth rate since the 2021 census outpaced the national figure of 9.3% and matched the Rest of WA, positioning the area as a regional growth leader. Natural increase was the main driver of this expansion, accounting for roughly 53.4% of the overall population rise in recent times.

AreaSearch incorporates projections from the ABS and Geoscience Australia for individual SA2 regions, published in 2024 with 2022 serving as the baseline year. For SA2 regions lacking this coverage, and to project trends beyond 2032, AreaSearch applies age cohort growth rates from the latest ABS Greater Capital Region projections released in 2023, which utilize 2022 data. Future demographic forecasts suggest the area will experience population growth slightly below the median for non-metropolitan regions across the nation, with Karratha projected to grow by 1,555 persons by 2041 according to the latest annual ERP statistics, representing an overall increase of 7.9% across the 16 years.

AreaSearch assessment of residential approval activity sees Karratha among the top 30% of areas assessed nationwide

Karratha records approximately 56 residential building approvals annually, translating to a total of 280 dwellings over the last 5 financial years. Thus far in FY-26, there have been 196 approvals registered. With an average ratio of 6.9 new residents added for each completed home during the 5 financial years from FY-21 to FY-25, demand outstrips supply, which generally drives up property prices and intensifies buyer competition, while new constructions average $413,000 in value, indicating that developers are prioritizing high-end, premium housing. Furthermore, commercial approvals have reached $88.9 million during the current financial year, demonstrating robust momentum in commercial sectors.

Compared to the Rest of WA, Karratha registers 11.0% less new construction per resident, ranking in the 41st percentile among all analyzed locations nationwide, which restricts options for prospective buyers and bolsters demand for existing housing stock. This rate also sits below the national average, highlighting the maturity of the local market and hinting at potential planning barriers. Additionally, recent residential construction consists entirely of detached houses, maintaining the low-density profile of the community and catering to buyers seeking space. Interestingly, developers are focusing more heavily on standard houses than the historical distribution indicates (80.0% at Census), pointing to sustained demand for family residences despite rising density concerns. The calculation of 408 people per single dwelling approval highlights the relatively quiet and slow-paced development landscape.

Long-term projections indicate Karratha will add 1,555 residents by 2041, based on the latest quarterly calculations from AreaSearch. Given current building trends, the supply of housing is expected to satisfy demand, offering favorable opportunities for purchasers and potentially paving the way for expansion that surpasses initial projections.

Karratha has moderate levels of nearby infrastructure activity, ranking in the 44thth percentile nationally

Local infrastructure projects, significant developments, and planning schemes play a major role in shaping regional performance. AreaSearch has identified a total of 9 projects expected to influence this locality. Prominent initiatives include Madigan at Baynton West, Perdaman Urea Project - Project Destiny, Gap Ridge Homemaker Centre, and Karratha Senior High School Upgrade, with details provided below for those of greatest local significance.

Professional plan users can use the search below to filter and access additional projects.

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

AreaSearch analysis of employment trends sees Karratha performing better than 90% of local markets assessed across Australia

The local workforce in Karratha is highly skilled, featuring a strong concentration in industrial and manufacturing operations, an exceptionally low unemployment rate of 1.9%, and an estimated job growth rate of 3.4% over the preceding year. As of March 2026, there are 11,752 employed residents, with the local unemployment rate sitting 1.6% below the Regional WA average of 3.5%, and the labor participation rate is remarkably elevated, reaching 80.6% compared to 65.6% in Regional WA. Census records show that a minor 2.9% of the workforce operated from home, though this figure may have been influenced by COVID-19 containment measures.

The primary sectors employing local residents are mining, construction, and education & training. The local economy shows a distinct concentration in mining, where employment levels are 1.8 times higher than the regional benchmark. In contrast, agriculture, forestry & fishing is minimally represented at 0.2%, compared to a regional average of 9.3%. Although local employment is available, the ratio of the Census working population to the resident population suggests that a significant number of workers travel outside the area for their jobs.

Based on AreaSearch's evaluation of SALM and ABS statistics, during the 12 months ending March 2026, the number of employed individuals rose by 3.4% while the overall labor force expanded by 3.5%, leading to a minor 0.1 percentage point increase in the unemployment rate. This trend diverged from Regional WA, which saw a 0.1% decline in employment, a 0.3% rise in the labor force, and a 0.4 percentage point increase in unemployment. National employment projections from May-25 by Jobs and Skills Australia provide further context regarding future labor demand in Karratha. These five- and ten-year forecasts have been applied to the local workforce structure to model future growth. While national employment is projected to rise by 6.6% over five years and 13.7% over ten years, growth rates vary by industry. Applying these sectoral projections to Karratha's specific job mix yields an estimated local employment increase of 5.3% over five years and 11.7% over ten years, representing a basic weighted extrapolation for demonstration purposes that excludes local population projections.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

According to AreaSearch's compilation of the most recent postcode-level ATO data published for the 2023 financial year, Karratha SA2 recorded a median taxpayer income of $91,208 and an average income of $106,017. These figures are exceptionally high by national standards and compare to median and average levels of $59,973 and $74,392 in Regional WA. Adjusting for a Wage Price Index increase of 10.93% since the 2023 financial year, current estimates point to a median income of approximately $101,177 and an average of $117,605 as of March 2026. Data from the 2021 Census places Karratha's household, family, and individual incomes in the 98th and 98th percentiles nationally. Regarding income brackets, the largest cohort consists of 35.3% of residents (6,939 people) earning over $4000+, contrasting with the broader regional profile where the $1,500 - 2,999 range is the most common at 31.1%. The economic strength of the area is highlighted by the 54.9% of households earning weekly incomes above $3,000, which supports strong retail activity. After accounting for housing costs, residents retain 89.5% of their earnings, indicating substantial disposable income, and the area ranks in the 7th decile for SEIFA income.

Karratha is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region

The mix of housing in Karratha at the time of the last Census consisted of 79.5% separate houses and 20.5% alternative dwelling types like semi-detached properties, apartments, or other structures, compared to 88.5% separate houses and 11.6% other options in Regional WA. Home ownership rates in Karratha were lower than the Regional WA average, sitting at 6.8%, with the remaining properties occupied by residents with a mortgage (27.7%) or renting (65.5%). The median monthly mortgage payment of $1,972 was significantly higher than the Regional WA average of $1,560, while the median weekly rent was $320, compared to $265 in Regional WA. On a national level, Karratha's mortgage costs exceed the Australian average of $1,863, whereas rental costs are notably below the national median of $375.

Karratha has a typical household mix, with a higher-than-average median household size

Families make up the majority of households at 74.6%, consisting of couples with children at 42.5%, couples without children at 24.3%, and single-parent households at 7.1%. The remaining 25.4% are non-family households, which include lone person households at 21.8% and group living arrangements at 3.6%. The median household occupancy stands at 2.8 people, which is higher than the Regional WA average of 2.5.

Karratha shows below-average educational performance compared to national benchmarks, though pockets of achievement exist

Educational attainment levels in Karratha are lower than regional benchmarks, with 22.4% of residents aged 15+ holding a university degree, compared to 30.4% across Australia. This difference points to opportunities for future educational growth and vocational training. Among degree holders, bachelor degrees are the most common at 15.8%, followed by postgraduate degrees at 3.9% and graduate diplomas at 2.7%. Vocational education is highly prevalent, with 48.9% of residents aged 15+ holding technical qualifications, including advanced diplomas (10.8%) and certificates (38.1%).

Enrolment in education is remarkably strong, with 39.2% of the local population currently engaged in structured learning. This group includes 17.4% attending primary schools, 10.5% in secondary education, and 2.5% enrolled in higher education.

Transport servicing is very low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

An analysis of public transport options reveals 12 active transit stops in Karratha, consisting of bus services. These stops are connected to 2 distinct routes, which combine to offer 22 weekly passenger trips. Transport accessibility is classified as limited, with residents living an average of 677 meters from the nearest stop. The area is primarily residential, and 90% of commuters rely on private vehicles to travel to work. Car ownership averages 1.8 vehicles per household, which is higher than the regional average. A low 2.9% of residents worked from home, according to the 2021 Census, which may have been affected by COVID-19 factors.

Transit services average 3 trips per day across the available routes, translating to roughly 1 weekly trip for each individual stop.

Karratha's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

An evaluation of health indicators shows positive outcomes throughout Karratha, based on AreaSearch's analysis of mortality data and chronic illness rates, with both younger and older cohorts displaying a low incidence of widespread health issues. Private health insurance coverage is exceptionally high, encompassing approximately 73% of the population (14,370 people), compared to 56.4% in Regional WA and a national average of 55.7%.

Asthma and mental health conditions are the most prevalent health concerns in the area, affecting 6.3% and 5.9% of the population, respectively. Meanwhile, 82.1% of residents reported having no long-term medical conditions, compared to 69.3% in Regional WA. Individuals aged 65 and older represent 2.6% of the population (513 people), which is significantly lower than the 19.2% share in Regional WA. Senior citizens in the area enjoy particularly strong health outcomes, ranking higher relative to national averages than the general local population.

The level of cultural diversity witnessed in Karratha was found to be slightly above average when compared nationally for a number of language and cultural background related metrics

Karratha exhibits above-average cultural diversity, with 23.7% of the population born outside Australia and 14.6% using a non-English language at home. Christianity is the primary religion, followed by 36.5% of residents. The most distinct statistical variation is observed in Buddhism, which accounts for 2.1% of the population compared to 1.0% across Regional WA.

Regarding parent birthplaces, the largest ancestry groups in Karratha are Australian at 27.3%, English at 26.0% (which sits below the regional average of 31.3%), and Other at 8.5%. Notable differences are also seen in other groups, with Maori representing 1.7% of Karratha compared to 1.0% regionally, New Zealand ancestry at 1.3% compared to 0.9%, and Australian Aboriginal heritage at 6.8% compared to 6.1%.

Karratha hosts a very young demographic, ranking in the bottom 10% of areas nationwide

Karratha has a median age of 32 years, making it notably younger than the Regional WA median of 40 and the national average of 38. The 35 - 44 age cohort is highly represented at 20.8%, compared to a lower proportion of 2.2% for the 65 - 74 age group. The concentration of residents aged 35 - 44 is higher than the national figure of 14.3%. Since 2021, the 15 to 24 age bracket has risen from 10.7% to 11.9% of the population, and the 35 to 44 cohort increased from 19.7% to 20.8%. In contrast, the 5 to 14 age group fell from 17.6% to 15.8%. Projections for 2041 forecast notable demographic shifts, with the 25 to 34 age bracket expected to grow by 888 people (23%) from 3,798 to 4,687, while declines are anticipated in the 75 to 84 and 65 to 74 cohorts.