Londonderry (NSW)

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Based on an evaluation of ABS demographic updates for the surrounding region alongside newly verified addresses from Districts since the Census, the population of the suburb of Londonderry (NSW) is projected to be approximately 4,079 in May 2026. This represents a gain of 55 people (1.4%) relative to the 2021 Census, which documented 4,024 residents. This adjustment is derived from an estimated resident population of 4,074, determined by Districts using the ABS demographic release from June 2025 and 8 newly validated addresses added since the Census. Such a population count corresponds to a density of 112 persons per square kilometer, indicating low density and capacity for subsequent expansion. Natural increase was the primary contributor to demographic growth, accounting for approximately 62.0% of the overall population rise in recent times.

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The suburb of Londonderry (NSW) displays a mixed workforce of white-collar and blue-collar workers, with construction representing a major employment sector, and a low unemployment rate of 3.2% based on aggregated regional statistics. As of March 2026, there are 2,267 employed residents. The local unemployment rate tracks 1.0% below the Greater Sydney rate of 4.1%, while workforce participation is very close to the metropolitan average of 69.1%. Census records show that a moderate 24.6% of working residents performed their duties from home, though this figure likely reflects the influence of pandemic restrictions.

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According to the latest postcode-level ATO statistics released for the 2023 financial year, taxpayers in the suburb of Londonderry (NSW) recorded a median income of $55,231 and an average income of $67,976. This aligns closely with national averages, compared to a median of $60,817 and average of $83,003 in Greater Sydney. Accounting for Wage Price Index growth of 10.32% since the 2023 financial year, current estimates would be approximately $60,931 for the median and $74,991 for the average as of March 2026. Census findings show weekly household income ranks at the 75th percentile ($2,158), while individual income sits at the 51st percentile. The $1,500 - 2,999 weekly household earnings bracket contains 34.9% of households ( individuals), which is comparable to the metropolitan average of in the same bracket. The area contains a relatively affluent segment with of households earning more than per week, indicating capacity to support premium local retail and services. Housing expenses consume of income, while strong household earnings place residents in the th percentile for disposable income, and the local SEIFA index for income ranks in the th decile.

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According to the last Census, the housing stock in the suburb of Londonderry (NSW) consists of 96.5% detached houses and 3.6% other options (such as semi-detached homes, apartments, or alternative dwellings), compared to the Sydney metropolitan distribution of 55.9% houses and 44.1% other dwellings. Home ownership rates are high at 37.5%, with the remaining properties occupied by residents with a mortgage (40.6%) or tenants (21.8%). The median mortgage repayment was $2,400 monthly, below the Sydney metropolitan average of $2,427, while median weekly rent was $460, compared to $470 across metropolitan Sydney. On a national level, mortgage repayments are higher than the Australian median of $1,863, and rent figures are similarly above the national average of $375.

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Families make up the vast majority of households in the suburb of Londonderry (NSW) at 83.7%, which is divided into couples with children at 45.2%, couples without children at 23.7%, and single parent households at 13.5%. Non-family households represent the remaining 16.3%, consisting of single-person households at 14.3% and group housing at 1.8%. The median household size of 3.3 people exceeds the Greater Sydney average of 2.7.

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Higher education rates in the suburb of Londonderry (NSW) are low, with university qualifications held by 10.3% of the population, compared to the Greater Sydney average of 38.0%. Bachelor degrees are the most common tertiary qualification at 7.3%, followed by postgraduate degrees at 1.6% and graduate diplomas at 1.4%. Vocational and technical qualifications are highly prevalent, with 42.2% of residents aged 15+ holding a qualification, consisting of advanced diplomas at 8.4% and certificates at 33.8%.

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Analysis of transport options shows 42 passenger stops in the suburb of Londonderry (NSW), which are serviced by bus routes. These stops accommodate 30 routes providing 446 weekly passenger trips. Accessibility is good, with homes situated an average of 368 meters from the nearest stop. The suburb is primarily residential, resulting in high rates of outward commuting, with cars being the primary mode of travel for 92% of workers, while 4% walk. Households own an average of 2.4 vehicles, which is above the metropolitan average. Additionally, 24.6% of residents worked from home according to the 2021 Census, which may have been influenced by pandemic conditions.

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Based on local mortality statistics and the prevalence of chronic illnesses, health outcomes in the suburb of Londonderry (NSW) track below the regional average, with common ailments slightly more frequent across both younger and older cohorts. Private health insurance coverage is held by approximately 54% of the population (~2,194 people), slightly higher than the average SA2 region, but below the Greater Sydney average of 59.9%.

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The suburb of Londonderry (NSW) has lower cultural diversity metrics than the metropolitan average, with 84.9% of residents born in Australia, 89.9% holding citizenship, and 87.1% using only English at home. The primary religious affiliation is Christianity, accounting for 66.8% of the population, compared to 49.2% across Greater Sydney.

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The median age in the suburb of Londonderry (NSW) is 38 years, which is similar to the Greater Sydney average of 37 and matches the national median of 38. The population shows a higher share of residents aged 55 - 64 (13.7%) and a lower share of those aged 25 - 34 (10.8%) relative to Greater Sydney. Since the 2021 Census, the proportion of residents aged 85+ rose from 1.1% to 2.1%, while the cohort aged 5 to 14 declined from 13.4% to 12.4%. By 2041, demographic shifts are expected to alter the age profile, led by a 69% increase in the 75 to 84 bracket, growing from 212 to residents. Older demographics make up of the projected growth, whereas declines are expected in the to and to age brackets.

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Londonderry currently has an estimated 252 children under 5 years old, comprising approximately 119 children aged 0-2 and 79 children aged 3-4. This cohort grew by an estimated 5% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 1% by 2041 (to approximately 249 children). Meanwhile the 5-12 cohort currently amounts to 345. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally.