Inner West is Very Dense
- Jul 15
- 2 min read
Inner West Ranked Australia's Fifth Densest Council Area as Population Continues to Grow
With roughly 5,483 residents per square kilometre, the Inner West LGA is among the most populated in New South Wales and across Australia, with roughly 5,483 residents per square kilometre.

For comparison, the average population density for councils in the same metropolitan NSW grouping is about 3,441 residents per km², so the Inner West is substantially denser than the average metropolitan council area.
The Inner West covers suburbs including Marrickville, Balmain, Leichhardt, Ashfield, Dulwich Hill, Petersham, Rozelle and Summer Hill, and has a relatively compact land area combined with a large residential population.
Sub-regions like Marrickville South specifically sit at around 4,877 persons per square kilometre, placing them in the upper tier of densely populated urban areas.
The broader suburb features a mix of medium and high-density housing alongside traditional low-density dwellings.
Dense Selection of Inner West Census Data 2021
According to the 2021 Census, the Inner West had a population of 182,818 residents, with a median age of 38 years. Women make up 51.2% of the population and men 48.8%. There are approximately 85,000 private dwellings and an average household size of 2.3 people.
The Inner West has a relatively young adult population compared with many Sydney councils:
Strong concentration of residents aged 25–44
Significant student and young professional population
Children aged 0–14 account for around 14.6% of residents
Residents aged 65 and over account for around 14.1% of the population
The area is highly multicultural and internationally connected. The most commonly reported ancestries include:
English (29.9%)
Australian (24.4%)
Irish (13.7%)
Scottish (9.6%)
Chinese (8.5%)
Almost 43% of households speak two or more languages, significantly higher than the Australian average. The Inner West has long been home to Greek, Italian, Portuguese, Vietnamese, Chinese and more recently South Asian communities, contributing to the area's strong multicultural character.

The Inner West is relatively affluent:
Median weekly household income: $2,340
Median monthly mortgage repayment: $3,000
Median weekly rent: $500
Housing consists of a mix of heritage terraces, apartments, semi-detached homes and increasing medium-density development around transport corridors.
The Inner West has one of the highest proportions of university-educated residents in Australia. Many residents work in:
Professional services
Education and training
Health care
Creative industries
Technology and digital sectors
The area's proximity to Sydney CBD, major universities and hospitals supports a highly skilled workforce.
Around 2,162 Aboriginal and Torres Strait Islander people live in the Inner West, representing approximately 1.2% of the population. The median age of the Indigenous population is 30 years.
The Inner West continues to experience:
Ongoing urban densification around transport hubs
Growth in apartment living
Increasing housing costs
A highly educated resident base
Strong demand from young professionals and families
Continued cultural diversity and migration-driven population growth
With its rich heritage, well-developed transport system, thriving local economy, cultural diversity, established family-oriented neighbourhoods, and unique, artistic vibe, the Inner West will no doubt continue to be attractive to people looking for a great place to live.



