Thirroul - Austinmer - Coalcliff

Thirroul - Austinmer - Coalcliff has seen population growth performance typically on par with national averages when looking at short and medium term trends

Thirroul-Austinmer-Coalcliff's population was 12,113 as of November 2025, an increase of 156 people since the 2021 Census. The population in June 2024 was estimated at 12,081 by ABS, with an additional 73 validated new addresses since the Census date. This results in a density ratio of 749 persons per square kilometer. The area's 1.3% growth since the census is within 2.7 percentage points of its SA3 area (4.0%). Overseas migration contributed approximately 62.4% of overall population gains recently. AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022.

For areas not covered by this data, it utilises NSW State Government's SA2 level projections from 2022 with a base year of 2021. Growth rates by age group are applied to all areas for years 2032 to 2041. By 2041, the area is expected to grow by 917 persons based on latest annual ERP population numbers, reflecting a gain of 7.3% over the 17 years.

Residential development activity is slightly higher than average within Thirroul - Austinmer - Coalcliff when compared nationally

Thirroul-Austinmer-Coalcliff has seen approximately 55 new home approvals per year over the past five financial years, totalling 278 homes. As of FY-26, 16 approvals have been recorded. On average, 0.8 new residents per year per dwelling constructed have been recorded between FY-21 and FY-25, suggesting supply meets or exceeds demand. The average construction value of new homes is $923,000, indicating a focus on premium properties.

This financial year has seen $9.2 million in commercial development approvals. Compared to the Rest of NSW, Thirroul-Austinmer-Coalcliff shows around 75% of the construction activity per person and ranks among the 69th percentile nationally. New developments consist of 53.0% standalone homes and 47.0% attached dwellings, offering options across various price points. This is a shift from the current housing mix, which is currently 82.0% houses.

With around 193 people per dwelling approval, it indicates a low density area. By 2041, Thirroul-Austinmer-Coalcliff is projected to gain 885 residents. Current construction levels should meet demand adequately, creating favourable conditions for buyers and potentially enabling growth beyond current forecasts.

Thirroul - Austinmer - Coalcliff has strong levels of nearby infrastructure activity, ranking in the top 30% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified five projects likely affecting the region: Electrify 2515 Community Pilot, Thirroul Plaza Redevelopment, McCauley Lodge Redevelopment, and More Trains More Services Stage Two - Mortdale to Kiama Capital Works. The following list details those most relevant.

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

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Thirroul - Austinmer - Coalcliff ranks among the top 25% of areas assessed nationally for overall employment performance

Thirroul-Austinmer-Coalcliff has a highly educated workforce with strong professional services representation. Its unemployment rate was 2.1% in June 2025, compared to Rest of NSW's 3.7%.

Employment growth over the past year was estimated at 0.8%. There are 6,481 residents employed, with an unemployment rate of 1.6% below the regional average and a workforce participation rate of 63.0%, higher than Rest of NSW's 56.4%. Key industries include health care & social assistance, education & training, and professional & technical services, with a specialization in the latter at 2.2 times the regional level. Agriculture, forestry & fishing employs only 0.5% of local workers, below Rest of NSW's 5.3%.

The area offers limited local employment opportunities. Over the year to June 2025, employment increased by 0.8%, labour force by 0.7%, and unemployment fell by 0.1 percentage points. In contrast, Rest of NSW saw employment decline by 0.1%, labour force growth of 0.3%, and unemployment rise by 0.4 percentage points. State-level data to Nov-25 shows NSW employment contracted by 0.03% (losing 2,260 jobs), with a state unemployment rate of 3.9%. National unemployment was 4.3%. Jobs and Skills Australia forecasts national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Thirroul-Austinmer-Coalcliff's employment mix suggests local employment should increase by 7.0% over five years and 14.4% over ten years, assuming constant population projections for illustrative purposes.

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

Thirroul - Austinmer - Coalcliff SA2 had an extremely high national income level according to latest ATO data aggregated by AreaSearch for financial year 2022. Its median income among taxpayers was $60,768 and average income stood at $92,208, compared to Rest of NSW's figures of $49,459 and $62,998 respectively. Based on Wage Price Index growth of 12.61% since financial year 2022, current estimates would be approximately $68,431 (median) and $103,835 (average) as of September 2025. Census 2021 income data shows household, family and personal incomes all rank highly in Thirroul - Austinmer - Coalcliff, between the 80th and 88th percentiles nationally. Income brackets indicate largest segment comprises 28.1% earning $1,500 - 2,999 weekly (3,403 residents), consistent with broader trends across surrounding region showing 29.9% in same category. Higher earners represent substantial presence with 41.1% exceeding $3,000 weekly, indicating strong purchasing power within community. Housing accounts for 13.7% of income while strong earnings rank residents within 89th percentile for disposable income and area's SEIFA income ranking places it in 9th decile.

Thirroul - Austinmer - Coalcliff is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

In Thirroul-Austinmer-Coalcliff, as per the latest Census, 81.6% of dwellings were houses with the remaining 18.4% being semi-detached, apartments, or other types. This contrasts with Non-Metro NSW's figures of 58.9% houses and 41.1% other dwellings. Home ownership in the area stood at 43.1%, with mortgaged dwellings at 38.1% and rented ones at 18.8%. The median monthly mortgage repayment was $2,600, higher than Non-Metro NSW's average of $2,189. Weekly rent median in the area was $550, compared to Non-Metro NSW's $400. Nationally, Thirroul-Austinmer-Coalcliff's mortgage repayments were significantly higher at $2,600 versus Australia's average of $1,863, and rents were substantially above the national figure of $375.

Thirroul - Austinmer - Coalcliff features high concentrations of family households, with a higher-than-average median household size

Family households constitute 78.4 percent of all households, including 38.9 percent couples with children, 30.8 percent couples without children, and 8.2 percent single parent families. Non-family households account for the remaining 21.6 percent, with lone person households at 19.0 percent and group households comprising 2.5 percent of the total. The median household size is 2.7 people, which is larger than the Rest of NSW average of 2.5.

Thirroul - Austinmer - Coalcliff demonstrates exceptional educational outcomes, ranking among the top 5% of areas nationally based on AreaSearch's comprehensive analysis of qualification and performance metrics

Educational attainment in Thirroul-Austinmer-Coalcliff shows significant superiority over broader benchmarks. As of 2016, 44.9% of residents aged 15 and above held university qualifications, compared to 21.3% in the rest of NSW and 25.2% in the SA4 region. Bachelor degrees were most common at 26.7%, followed by postgraduate qualifications (13.6%) and graduate diplomas (4.6%). Vocational credentials were also prevalent, with 29.7% of residents aged 15 and above holding such qualifications – advanced diplomas accounted for 10.8% and certificates for 18.9%.

Educational participation was notably high, with 30.4% of residents currently enrolled in formal education as of the 2016 census. This included 10.2% in primary education, 8.4% in secondary education, and 5.8% pursuing tertiary education.

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

Transport analysis shows 87 active stops operating in Thirroul - Austinmer - Coalcliff area. These include both train and bus services. There are 26 individual routes servicing these stops, which together facilitate 1,655 weekly passenger trips.

Residential accessibility to transport is rated as good, with residents typically situated 262 meters from the nearest stop. Across all routes, service frequency averages 236 trips per day, equating to about 19 weekly trips per individual stop.

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

Analysis of health metrics shows strong performance throughout Thirroul - Austinmer - Coalcliff. Both young and old age cohorts saw low prevalence of common health conditions. The rate of private health cover was exceptionally high at approximately 67% of the total population (8,127 people), compared to 56.6% across Rest of NSW.

This is higher than the national average of 55.3%. The most common medical conditions in the area were arthritis and mental health issues, impacting 8.0 and 6.8% of residents respectively. Seventy-two point one percent declared themselves completely clear of medical ailments, compared to 68.6% across Rest of NSW. The area has 20.3% of residents aged 65 and over (2,454 people), which is higher than the 17.7% in Rest of NSW. Health outcomes among seniors are particularly strong, performing even better than the general population in health metrics.

Thirroul - Austinmer - Coalcliff ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Thirroul-Austinmer-Coalcliff, surveyed in Aug-Sep 2016, had low cultural diversity: 82.9% born in Australia, 92.7% citizens, 94.0% speaking English at home. Christianity dominated, at 44.0%. Judaism was overrepresented at 0.3%, compared to 0.1% regionally.

Top ancestral groups were English (29.5%), Australian (25.3%), and Irish (11.3%). Welsh (1.0%) and Scottish (9.5%) were notably overrepresented, while Macedonian was underrepresented at 0.4%.

Thirroul - Austinmer - Coalcliff's median age exceeds the national pattern

Thirroul - Austinmer - Coalcliff has a median age of 43, which is equal to that of Rest of NSW and higher than the national average of 38. The area's age profile shows that individuals aged 45-54 make up 14.2% of the population, a prominent figure compared to other age groups. Meanwhile, those aged 25-34 comprise only 9.3%, which is smaller than the Rest of NSW percentage. Between the 2021 Census and present day, the 15 to 24 age group has grown from 10.7% to 12.0%, while the 75 to 84 cohort has increased from 4.9% to 6.1%. Conversely, the 55 to 64 age group has decreased from 15.0% to 13.2%. By 2041, demographic projections indicate significant shifts in Thirroul - Austinmer - Coalcliff's age structure. The 75 to 84 age group is expected to grow by 58%, adding 426 people and reaching a total of 1,161 from the current figure of 734. Notably, the combined age groups of 65 and above will account for 56% of the total population growth in the area, reflecting its aging demographic profile. In contrast, the 5 to 14 and 15 to 24 age cohorts are projected to experience population declines.