Marrickville (NSW)

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Analysis of ABS demographic updates alongside validated address data from Districts indicates that the suburb of Marrickville has an estimated residency of 27,896 individuals as of May 2026. This represents a 5.0% expansion, or an additional 1,326 residents, compared to the 2021 Census count of 26,570. The calculation is based on an estimated population of 27,838 calculated by Districts using the June 2025 ABS ERP data, plus 713 validated new addresses registered after the Census. Consequently, the suburb has a density of 4,834 persons per square kilometer, placing it within the top 10% of all areas analyzed by Districts and highlighting the high demand for local land. The 5.0% population growth rate in the suburb of Marrickville trails the wider SA3 region (6.1%) by 1.1 percentage points. This demographic growth was largely underpinned by net overseas migration, which accounted for approximately 83.0% of the total population gains in recent times.

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A highly qualified labor force characterizes the area, with notable representation in tech-related fields. Aggregated data from Districts indicates a local unemployment rate of 6.8% and a 1.3% increase in employment over the preceding year. As of March 2026, employed residents total 15,166, with the local jobless rate sitting 2.7% above the Greater Sydney benchmark of 4.1%. The labor participation rate of 66.3% is lower than the metropolitan average of 69.1%. Census records show that a high 57.0% of working residents operated from home, though this figure was influenced by pandemic-related lockdowns.

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Data from the ATO for the 2023 financial year shows that the taxpayers of Marrickville recorded a median annual income of $64,676, with the average income reaching $83,214. These figures are elevated relative to the wider Greater Sydney averages of $60,817 and $83,003 respectively. Adjusting for a Wage Price Index increase of 10.32% since the 2023 financial year, current income estimates stand at approximately $71,351 for the median and $91,802 for the average as of March 2026. The 2021 Census shows that personal, family, and household incomes in the area are high, ranking between the 76th and 84th percentiles nationally. Regarding income brackets, the weekly earnings range of $1,500 - 2,999 contains 31.1% of residents ( individuals), which aligns closely with the metropolitan average of . An impressive of taxpayers earn weekly incomes exceeding indicating significant local wealth that drives retail demand. Although housing costs account for of income, strong local earnings keep disposable income at the rd percentile, with a SEIFA index ranking in the th decile.

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The local housing stock at the time of the last Census consisted of 32.0% separate houses and 67.9% multi-unit dwellings like townhouses and apartments, differing from the wider Sydney metropolitan split of 55.9% separate houses and 44.1% multi-unit options. Home ownership levels are lower than the metropolitan average, sitting at 24.2%, while the remaining properties are held under a mortgage (28.2%) or occupied by tenants (47.6%). The median mortgage payment in the area was higher than the metropolitan average at $2,600 monthly, and the median weekly rent was $480, compared to $2,427 and $470 across Greater Sydney. On a national level, monthly mortgage costs are significantly higher than the Australian median of $1,863, and weekly rents are well above the countrywide figure of $375.

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Families make up 60.8% of local households, consisting of couples with children (23.4%), couples without children (26.1%), and single-parent households (9.7%). Non-family households constitute the remaining 39.2%, with single-person households representing 30.0% and group houses making up 9.2%. The median household occupancy of 2.3 individuals is lower than the Greater Sydney median of 2.7.

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The local population displays high levels of academic achievement, with 47.7% of residents aged 15+ holding a tertiary degree, compared to 30.4% nationally and 32.2% across NSW. This educational profile prepares the workforce well for roles in the knowledge economy. Bachelor degrees are the most common credential at 31.3%, followed by postgraduate degrees at 13.0% and graduate diplomas at 3.4%. Vocational education accounts for 21.6% of credentials among residents aged 15+, comprising advanced diplomas (9.6%) and certificates (12.0%).

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An audit of local public transport shows 107 active stops in Marrickville, including both train stations and bus stops. These locations are served by 23 separate routes, which support 7,650 passenger journeys each week. Accessibility is high, with the average resident living just 156 meters from their nearest transit stop. Because the suburb is mostly residential, a large share of workers travel outside the area for employment, with private cars remaining the primary commuting choice at 59%, followed by trains at 17% and walking at 9%. Vehicle ownership is low, averaging 0.7 cars per household, which is below the metropolitan average. A substantial 57.0% of the workforce worked from home, according to the 2021 Census, which was likely affected by pandemic conditions.

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Based on Districts' evaluation of mortality patterns and chronic illnesses, local health outcomes are above average, with low rates of common health conditions across both younger and older cohorts. Private health insurance coverage is exceptionally high, held by approximately 60% of the population, which equates to 16,673 individuals.

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The area is culturally diverse, with 36.5% of residents born outside Australia and 34.5% speaking a non-English language at home. Christianity is the most common religious affiliation, selected by 36.2% of the population. The most prominent religious overrepresentation is Judaism, which accounts for 0.6% of residents compared to 0.8% across Greater Sydney.

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Marrickville has a median age of 37, matching the Greater Sydney median of 37 and sitting close to the national figure of 38. The 25 - 34 age bracket is highly represented at 22.7% of the population, while children aged 5 - 14 are less common at 7.5%. The concentration of residents aged 25 - 34 is notably higher than the national proportion of 14.6%. Since 2021, the cohort aged 15 to 24 grew from 9.7% to 10.6%, while the 5 to 14 cohort decreased from 8.7% to 7.5%. Looking to 2041, demographic models point to shifts in the local age profile. The to age group is projected to increase by (or individuals), growing from to . This aging trend is prominent, with residents aged and over accounting for of the projected population growth. In contrast, the cohorts aged to and to are projected to shrink.

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Marrickville currently has an estimated 1,366 children under 5 years old, comprising approximately 797 children aged 0-2 and 532 children aged 3-4. This cohort grew by an estimated 9% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 6% by 2041 (to approximately 1,279 children). Meanwhile the 5-12 cohort currently amounts to 1,673. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.2 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.