Llandilo (NSW)

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Analyzing census revisions from the ABS along with validated addresses from Districts since the Census shows Llandilo's population is estimated at around 1,645 as of May 2026. This indicates a growth of 27 people (1.7%) relative to the 2021 Census, which counted 1,618 people. This shift is calculated from the resident population of 1,645, which Districts estimated using the ABS June 2025 ERP release and 8 validated new addresses added since the Census. With this population level, the density ratio is 127 persons per square kilometer, which offers ample room per resident and capacity for prospective development. The main driver of population growth was natural increase, accounting for roughly 43.0% of the net gains, even though interstate migration, overseas migration, and all other components remained positive.

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Llandilo has a balanced workforce of white and blue collar workers, with the construction sector showing notably high representation, alongside an unemployment rate of only 1.6% based on aggregated statistical area data. As of March 2026, there are 859 residents employed, with the unemployment rate sitting 2.5% below the Greater Sydney average of 4.1%, while workforce participation is slightly lower than typical at 65.5% compared to the Greater Sydney level of 69.1%. Census data indicates a high proportion of 29.6% of residents worked from home, though this may have been influenced by Covid-19 lockdown restrictions.

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Postcode data from the ATO for financial year 2023 shows that incomes in Llandilo are below the national average, with a median of $45,241 and an average of $51,085. This is lower than the Greater Sydney figures, which feature a median of $60,817 and an average of $83,003. Factoring in Wage Price Index growth of 10.32% since financial year 2023, current estimates for March 2026 would be roughly $49,910 for the median and $56,357 for the average. Based on the 2021 Census, household income is in the 57th percentile ($1,879 weekly), whereas personal income is in the 30th percentile. The income distribution shows that the $1,500 - 2,999 bracket is the largest, containing 28.4% of residents (467 people), which is similar to the metropolitan average of in this bracket. Following housing costs, of income is available for other expenses, and the area is situated in the th decile for the SEIFA income index.

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According to the latest Census, the composition of homes in Llandilo consisted of 99.3% houses and 0.7% other dwellings, including apartments, semi-detached options, or alternative structures, compared to the Sydney metropolitan split of 55.9% houses and 44.1% other dwellings. The level of home ownership in Llandilo was significantly higher than the Sydney metro level, standing at 50.6%, with the remaining properties being mortgaged (23.8%) or rented (25.7%). The median monthly mortgage repayment of $2,550 exceeded the Sydney metropolitan average of $2,427, and the median weekly rent of $500 was also higher than the metropolitan benchmark of $470. On a national level, mortgage repayments in Llandilo are notably higher than the Australian median of $1,863, and rents are also well above the national median of $375.

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Families comprise the vast majority of households at 79.4%, which is made up of couples with children at 46.5%, couples without children at 22.7%, and single parent households at 9.9%. Non-family living arrangements account for the remaining 20.6%, with single-person households representing 18.5% and group homes representing 1.3%. The median household size of 3.4 people is larger than the Greater Sydney average of 2.7.

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Educational attainment in the area shows some challenges, with university graduation rates of 9.1% sitting significantly below the Greater Sydney average of 38.0%. This highlights both a challenge and an opportunity for focused educational programs. Bachelor degrees account for 7.3% of qualifications, followed by postgraduate degrees at 1.8% and graduate diplomas at a rate where none were recorded. Vocational and technical skills are highly prevalent, with 40.1% of residents aged 15+ holding qualifications, consisting of advanced diplomas (7.0%) and certificates (33.1%).

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Analysis of public transport shows 28 active stops operating in Llandilo, consisting of bus services. These stops are served by 40 separate routes, which combine to offer 325 weekly passenger trips. Transport accessibility is moderate, with residents living an average of 571 meters from the nearest stop. Due to the residential character of the suburb, most workers commute outside the area, with private cars remaining the primary choice of travel for 94% of people. Car ownership averages 2.4 per home, which is above the metropolitan average. A high share of 29.6% of residents work from home, based on 2021 Census data which may reflect pandemic-era conditions.

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Health indicators demonstrate relatively positive trends for Llandilo residents, with mortality rates and chronic conditions aligning closely with national averages. The prevalence of common health issues is low among the general population, though it rises above the national average in older, vulnerable groups. Private health insurance coverage is low, held by approximately 47% of the population (~776 people), which compares to 59.9% in Greater Sydney and a national average of 55.7%.

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Llandilo has a higher level of cultural diversity than average, with 19.1% of the population born outside Australia and 23.5% speaking a language other than English at home. Christianity is the dominant religion, practiced by 72.5% of residents in Llandilo, compared to 49.2% in Greater Sydney.

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The median age of 38 years in Llandilo is close to the Greater Sydney average of 37 and matches the national median of 38. Compared to Greater Sydney, Llandilo has a higher proportion of young people aged 15 - 24 (17.5%) but fewer people aged 25 - 34 (4.1%). Since the 2021 Census, the 15 to 24 age bracket has risen from 15.8% to 17.5%, and the 45 to 54 cohort grew from 14.0% to 15.7%. In contrast, the 25 to 34 age bracket decreased from 10.4% to 4.1%, and the 0 to 4 group fell from to . By Llandilo is projected to experience notable changes in its age profile, led by the to cohort which is expected to grow by ( people) to reach from while both the to and to brackets are projected to decline.

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Llandilo currently has an estimated 55 children under 5 years old, comprising approximately 87 children aged 0-2 and 58 children aged 3-4. This cohort declined by an estimated 39% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 4% by 2041 (to approximately 53 children). Meanwhile the 5-12 cohort currently amounts to 232. Birth rates in the area have averaged 17.5 per 1,000 residents over the latest two-year period, a high rate (among the top 20% of areas assessed nationally).