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 is approximately 12,113 as of November 2025. This figure shows an increase of 156 people since the 2021 Census, which reported a population of 11,957. The growth is inferred from the estimated resident population of 12,081 in June 2024 and an additional 73 validated new addresses since the Census date. This results in a population density ratio of 749 persons per square kilometer. Thirroul - Austinmer - Coalcliff's growth rate of 1.3% since the Census places it within 2.7 percentage points of its SA3 area (4.0%), indicating competitive growth fundamentals. Overseas migration contributed approximately 62.4% of overall population gains in recent periods.

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, AreaSearch utilises NSW State Government's SA2 level projections, released in 2022 with a base year of 2021. Growth rates by age group are applied to all areas for years 2032 to 2041. Based on demographic trends and latest annual ERP population numbers, the area is expected to grow by 917 persons to 2041, reflecting a gain of 7.3% over the 17-year period.

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

Thirroul-Austinmer-Coalcliff saw around 55 new home approvals annually over the past five financial years, totalling 278 homes. So far in FY26, 17 approvals have been recorded. On average, 0.8 new residents per year per dwelling were added between FY21 and FY25. This indicates supply meeting or surpassing demand, offering greater buyer choice and potential for population growth above projections.

The average construction value of new homes was $613,000, reflecting a focus on the premium segment with upmarket properties. In FY26, $9.2 million in commercial development approvals have been recorded. Compared to Rest of NSW, Thirroul-Austinmer-Coalcliff shows approximately 75% of construction activity per person and ranks among the 69th percentile nationally. New developments consist of 53.0% standalone homes and 47.0% attached dwellings, providing options across different price points.

This represents a considerable shift from the current housing mix of 82.0% houses, reflecting reduced development site availability and changing lifestyle demands and affordability requirements. With around 193 people per dwelling approval, Thirroul-Austinmer-Coalcliff shows characteristics of a low density area. Population forecasts indicate an increase of 885 residents by 2041. Current construction levels should adequately meet demand, creating favourable conditions for buyers while potentially enabling growth that exceeds current forecasts.

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

Five projects have been identified by AreaSearch as potentially impacting the area's performance: Electrify 2515 Community Pilot, Thirroul Plaza Redevelopment, McCauley Lodge Redevelopment, and More Trains More Services Stage Two - Mortdale to Kiama Capital Works.

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Employment conditions in Thirroul - Austinmer - Coalcliff demonstrate strong performance, ranking among the top 35% of areas assessed nationally

Thirroul-Austinmer-Coalcliff has a highly educated workforce with strong representation in professional services. As of September 2025, its unemployment rate is 2.4%.

Over the past year, employment stability has been relative. There are 6,545 employed residents, with an unemployment rate 1.4% below Rest of NSW's 3.8%, and workforce participation at 63.0%, compared to Rest of NSW's 56.4%. Key industries include health care & social assistance, education & training, and professional & technical services, the latter being particularly specialized with an employment share 2.2 times the regional level. Agriculture, forestry & fishing employs only 0.5% of local workers, below Rest of NSW's 5.3%.

Limited local employment opportunities are indicated by Census data comparison. Over September 2024 to September 2025, employment increased by 0.2%, labour force by 0.2%, with unemployment essentially unchanged. In contrast, Rest of NSW saw employment decline of 0.5%, labour force decline of 0.1%, and unemployment rise by 0.4 percentage points. State-level data to 25-Nov-25 shows NSW employment contracted by 0.03% (losing 2,260 jobs), with a state unemployment rate of 3.9%. National unemployment stands at 4.3%. Jobs and Skills Australia's national employment forecasts from May-25 project 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, though this is a simple extrapolation for illustrative purposes only.

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

The Thirroul - Austinmer - Coalcliff SA2 had a high national income level according to latest ATO data aggregated by AreaSearch for financial year 2022. The median income among taxpayers was $60,768 and the average income stood at $92,208. These figures compared to Rest of NSW's median income of $49,459 and average income of $62,998 respectively. Based on Wage Price Index growth of 12.61% since financial year 2022, current estimates for September 2025 would be approximately $68,431 (median) and $103,835 (average). Census 2021 income data showed household, family and personal incomes all ranked highly in Thirroul - Austinmer - Coalcliff, between the 80th and 88th percentiles nationally. Income brackets indicated that the largest segment comprised 28.1% earning $1,500 - 2,999 weekly (3,403 residents), consistent with broader trends across the surrounding region showing 29.9% in the same category. Higher earners represented a substantial presence with 41.1% exceeding $3,000 weekly, indicating strong purchasing power within the community. Housing accounted for 13.7% of income while strong earnings ranked residents within the 89th percentile for disposable income and the area's SEIFA income ranking placed it in the 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. In comparison, Non-Metro NSW had 58.9% houses and 41.1% other dwellings. Home ownership in Thirroul-Austinmer-Coalcliff 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. The median weekly rent 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, while 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 are 78.4% of all households, consisting of 38.9% couples with children, 30.8% couples without children, and 8.2% single parent families. Non-family households make up the remaining 21.6%, with lone person households at 19.0% and group households comprising 2.5%. The median household size is 2.7 people, 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 significantly surpasses broader benchmarks. As of the latest data, 44.9% of residents aged 15 years and above hold university qualifications, compared to 21.3% in Rest of NSW and 25.2% in the SA4 region. Bachelor degrees are the most common at 26.7%, followed by postgraduate qualifications (13.6%) and graduate diplomas (4.6%). Trade and technical skills also feature prominently, with 29.7% of residents aged 15 years and above holding vocational credentials – advanced diplomas (10.8%) and certificates (18.9%).

Educational participation is notably high, with 30.4% of residents currently enrolled in formal education. This includes 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 within Thirroul - Austinmer - Coalcliff area. These include a mix of train and bus services. There are 26 individual routes servicing these stops, collectively providing 1,655 weekly passenger trips.

Transport accessibility is rated good, with residents typically located 262 meters from the nearest stop. Service frequency averages 236 trips per day across all routes, equating to approximately 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 indicates strong performance across Thirroul - Austinmer - Coalcliff. Both young and old age cohorts exhibit low prevalence of common health conditions. The rate of private health cover is exceptionally high at approximately 67% of the total population (8,127 people), compared to 56.6% across Rest of NSW and 55.3% nationally.

The most prevalent medical conditions are arthritis and mental health issues, affecting 8.0% and 6.8% of residents respectively. 72.1% declare themselves completely clear of medical ailments, higher than the 68.6% across Rest of NSW. The area has 20.3% of residents aged 65 and over (2,454 people), higher than the 17.7% in Rest of NSW. Health outcomes among seniors are particularly strong, performing 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 2016, had low cultural diversity with 82.9% born in Australia and 92.7% citizens. English was spoken at home by 94.0%. Christianity dominated at 44.0%, with Judaism overrepresented at 0.3% compared to the region's 0.1%.

Top ancestral groups were English (29.5%), Australian (25.3%), and Irish (11.3%). Notably, Welsh (1.0%) was slightly higher than regional average (0.8%), Scottish (9.5%) was significantly higher (7.7%), and Macedonian (0.4%) was lower than the region's 1.5%.

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

Thirroul - Austinmer - Coalcliff has a median age of 43, which matches the Rest of NSW figure and is higher than the national average of 38 years. The area's age profile shows that those aged 45-54 are notably prominent at 14.2%, while those aged 25-34 are relatively smaller at 9.3% compared to the Rest of NSW figure. Between the 2021 Census and the present, the population aged 15-24 has grown from 10.7% to 12.0%, and the 75-84 cohort has increased from 4.9% to 6.1%. Conversely, the 55-64 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 75-84 age group is expected to grow by 58%, reaching 1,161 people from 734. Notably, the combined age groups of 65 and above will account for 56% of total population growth, reflecting the area's aging demographic trend. In contrast, the 5-14 and 15-24 age cohorts are projected to experience population declines.