New South Wales · Postcode 2020

Mascot postcode and suburb data

New South Wales · Phone area code 02 · 7 km from Sydney

CoastalMetro Top 10% SEIFA Above NSW income
21,591
Population (2021)
$2,254
Household income/wk
$600
Median rent/wk
30
Median age
10/10
SEIFA advantage

Suburb snapshot

Mascot at a glance vs NSW

Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.

Quick facts

2020 Postcode See every suburb sharing this postcode
21,591 People Resident population, Census 2021
Bayside (NSW) Council area 29 suburbs, 13 postcodes
30 Median age Years, Census 2021
$2,254/wk Household income Suburb median, Census 2021 dollars
Decile 10/10 SEIFA advantage Very high advantage
3 Schools ACARA 2025 profiles in this suburb

Benchmarks against NSW

Household income
$2,254/wk
17% above NSW average
Suburb median, Census 2021
Weekly rent
$600/wk
35% above NSW average
Suburb median, Census 2021
SEIFA advantage
10/10
4.0 deciles above NSW average
IRSAD decile, higher means more advantage
Median age
30 years
15.0 years younger than NSW average
Resident median age
Unemployment
5.9%
0.9 pts above NSW average
Census labour-force rate

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Mascot ranks: household income is in the top 25% of NSW suburbs; rents are among the top 10% in NSW; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

Mascot vs the NSW average and the national average, using population-weighted 2021 Census data.

MetricMascotNSW avgAU avgGreater Sydney
Household income/wk $2,254 +NSW $1,931 $1,836 $2,181
Rent/wk $600 +NSW $445 $390 $506
Mortgage/month $2,600 +NSW $2,247 $1,958 $2,587
Median age 30 45.0 45.0 39.0
SEIFA decile 10/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 5.9% +NSW 5.0% 5.0% 5.0%

Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

Mascot is a coastal suburb of Sydney in New South Wales, with postcode 2020. It sits about 7 km from the Sydney CBD, within the Bayside (NSW) local government area. The suburb footprint covers roughly 12.0 square kilometres.

According to the 2021 Census, Mascot has a population of 21,591 with a median age of 30. The median weekly household income is $2,254, above the NSW average. The unemployment rate is 5.9%, higher than the NSW average. The Indigenous population is 252 (1.2% of residents).

Housing in Mascot includes a median weekly rent of $600, median monthly mortgage repayment of $2,600, with 8,105 total dwellings. These housing costs sit above the NSW average. Rental properties account for 58.3% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mascot scores in decile 10 out of 10, which is well above the national average.

Schools in Mascot include St Therese Catholic Primary School, Mascot Public School and J J Cahill Memorial High School.

Mascot is part of the Botany statistical area in New South Wales.

Mascot details

Location, Census, housing, SEIFA and geography fields used across this profile.

Postcode2020
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)21,591
Median Age30 years
Median Household Income (Census 2021)$2,254/week
Median Personal Income (Census 2021)$993/week
Median Weekly Rent (Census 2021)$600
Median Monthly Mortgage (Census 2021)$2,600
Average Household Size2.5 persons
Area12.0 km²
Population Density1805/km²
Total Dwellings8,105
Australian Citizens54.8%
Indigenous Population252 (1.2%)
Unemployment Rate5.9%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-33.9296324
Longitude151.1946223
Distance from Sydney7 km
Region (SA4)Sydney - City and Inner South
Area (SA3)Botany
Local GovernmentBayside (NSW)
Federal ElectorateKingsford Smith
State ElectorateHeffron
Time ZoneAEST (UTC+10), Australia/Sydney (standard time)

Age Profile

0–14 (11.7%) 15–24 (16.6%) 25–44 (49.4%) 45–64 (14.8%) 65+ (7.5%)
Show counts
0–14 years2,531 (11.7%)
15–24 years3,578 (16.6%)
25–44 years10,664 (49.4%)
45–64 years3,188 (14.8%)
65+ years1,629 (7.5%)

Housing Tenure

Owned outright (16.6%) Mortgaged (25.1%) Rented (58.3%)

SEIFA socio-economic index

Mascot is in SEIFA IRSAD decile 10 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

Health Conditions (2021 Census)

Asthma1,012 (4.7%)
Arthritis671 (3.1%)
Diabetes594 (2.8%)
Heart Disease308 (1.4%)
Cancer279 (1.3%)
Lung Condition110 (0.5%)
Dementia64 (0.3%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle1,598 (20.1%)
1 vehicle4,013 (50.4%)
2 vehicles1,832 (23.0%)
3+ vehicles521 (6.5%)

Schools in Mascot

ACARA 2025 school profiles for schools located in Mascot. ICSEA is shown where ACARA publishes it.

St Therese Catholic Primary School
Primary · Cat · ICSEA 1089 · 608 students
Mascot Public School
Primary · Gov · ICSEA 1035 · 397 students
J J Cahill Memorial High School
Secondary · Gov · ICSEA 987 · 298 students

Suburbs Near Mascot

Same Postcode (2020)

More Mascot Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.