Suburb profile · ABS Census 2021
Thirroul suburb profile
Thirroul, NSW · Postcode 2515
This Thirroul suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Thirroul, NSW (postcode 2515). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Thirroul with nearby suburbs.
Thirroul at a glance
Population
6,348
Median rent
$540/wk
Household income
$2,281/wk
Median age
43
Thirroul trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+13% over 10 years
Population
6,348
was 6,083 in 2016
+265 · +4.4%
Median rent
$540/wk
was $433/wk in 2016
+$107 · +24.7%
Household income
$2,281/wk
was $1,947/wk in 2016
+$334 · +17.2%
Median age
43
was 42 in 2016
+1 · +2.4%
Dig deeper: Thirroul population growth · Thirroul then and now
Thirroul vs nearby & NSW
Median Census 2021 figures for Thirroul, nearby suburbs (8), and the NSW state median (suburbs with 1,000+ people).
Rent
+28.6% vs area
- Thirroul$540/wk
- Nearby$397.5/wk
- NSW$420/wk
Household income
+23.8% vs area
- Thirroul$2,281/wk
- Nearby$2,073.5/wk
- NSW$1,843/wk
Median age
+7.5% vs area
- Thirroul43
- Nearby41.5
- NSW40
Personal income
+20.5% vs area
- Thirroul$974/wk
- Nearby$870/wk
- NSW$808/wk
Nearby uses the same postcode first, then larger suburbs in NSW.
Socio-economic profile
How Thirroul compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Thirroul ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,091.6
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,104.8
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 91,079.4
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,101
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Thirroul on the map
OpenStreetMap outline for Thirroul, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Thirroul people
- Population
- 6,348
- Median age
- 43
- Born overseas
- 17.1%
- Average household size
- 2.7
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Thirroul income
- Median household income
- $2,281/wk
- Median personal income
- $974/wk
Median total weekly household income
Median total weekly personal income
Thirroul housing
- Median rent
- $540/wk
- Median mortgage repayment
- $2,600/mo
- Separate houses
- 70.4%
- Flats & apartments
- 10%
- Owned outright
- 38%
- Mortgaged
- 34.2%
- Rented
- 18.5%
- Unoccupied dwellings
- 6.9%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Thirroul work
- Employment to population
- 60.5%
- Unemployment rate
- 3.5%
- Year 12 or above
- 64.8%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 2515)
Compare Thirroul with nearby suburbs
Thirroul in numbers
Thirroul had 6,348 residents at the 2021 Census, making it the 397th most populous suburb or locality in NSW out of 4,347. The median age is 43, 5% above the typical NSW suburb. The average household has 2.7 people. 17.1% of residents were born overseas.
Among occupied homes, 38% own their home outright, 34.2% are paying a mortgage, 18.5% rent. Separate houses make up 70.4% of dwellings, with 10% in flats or apartments. Median rent was $540/wk, 35% above the typical NSW suburb.
Median household income was $2,281/wk, 26% above the typical NSW suburb. The unemployment rate on Census night was 3.5%. 64.8% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 10 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 4.4% (from 6,083 to 6,348). Median rent moved from $433/wk to $540/wk (+24.7%).
Thirroul suburb FAQs
- What is the median rent in Thirroul, NSW?
- The median weekly rent in Thirroul was $540/wk at the 2021 Census (ABS).
- How many people live in Thirroul, NSW?
- Thirroul had 6,348 residents at the 2021 Census, up 4.4% from 2016.
- What is the median household income in Thirroul?
- Median household income in Thirroul was $2,281/wk at the 2021 Census.
- Do most people rent or own in Thirroul?
- 18.5% of occupied homes in Thirroul were rented, 38% were owned outright and 34.2% were owned with a mortgage.
About this Thirroul suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Thirroul. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology