New South Wales · Postcode 2107

Bilgola Beach postcode and suburb data

New South Wales · Phone area code 02 · 27 km from Sydney

Metro Top 10% SEIFA Above NSW income
251
Population (2021)
$4,299
Household income/wk
$1,075
Median rent/wk
54
Median age
10/10
SEIFA advantage

Suburb snapshot

Bilgola Beach 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

2107 Postcode See every suburb sharing this postcode
251 People Resident population, Census 2021
Northern Beaches Council area 75 suburbs, 22 postcodes
54 Median age Years, Census 2021
$4,299/wk Household income Suburb median, Census 2021 dollars
Decile 10/10 SEIFA advantage Very high advantage

Benchmarks against NSW

Household income
$4,299/wk
123% above NSW average
Suburb median, Census 2021
Weekly rent
$1,075/wk
142% 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
54 years
9.0 years older than NSW average
Resident median age
Unemployment
2.8%
2.2 pts below 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 Bilgola Beach ranks: household income is in the top 10% 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

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

MetricBilgola BeachNSW avgAU avgGreater Sydney
Household income/wk $4,299 +NSW $1,931 $1,836 $2,181
Rent/wk $1,075 +NSW $445 $390 $506
Mortgage/month $3,467 +NSW $2,247 $1,958 $2,587
Median age 54 45.0 45.0 39.0
SEIFA decile 10/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 2.8% -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.

Postcode 2107 covers Bilgola Beach, an inland suburb of Sydney about 27 km from the city centre. It forms part of the Sydney - Northern Beaches region of New South Wales. Local government services are provided by Northern Beaches.

According to the 2021 Census, Bilgola Beach has a population of 251 with a median age of 54. The median weekly household income is $4,299, above the NSW average. The unemployment rate is 2.8%, lower than the NSW average. The Indigenous population is 4 (1.6% of residents).

Housing in Bilgola Beach includes a median weekly rent of $1,075, median monthly mortgage repayment of $3,467, with 93 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 90.4% of housing.

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

Bilgola Beach is part of the Pittwater statistical area in New South Wales.

Bilgola Beach details

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

Postcode2107
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)251
Median Age54 years
Median Household Income (Census 2021)$4,299/week
Median Personal Income (Census 2021)$1,557/week
Median Weekly Rent (Census 2021)$1,075
Median Monthly Mortgage (Census 2021)$3,467
Average Household Size2.5 persons
Area0.3 km²
Population Density761/km²
Total Dwellings93
Australian Citizens90.4%
Indigenous Population4 (1.6%)
Unemployment Rate2.8%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-33.6445
Longitude151.328
Distance from Sydney27 km
Region (SA4)Sydney - Northern Beaches
Area (SA3)Pittwater
Local GovernmentNorthern Beaches
Federal ElectorateMackellar
State ElectoratePittwater
Time ZoneAEST (UTC+10), Australia/Sydney (standard time)

Age Profile

0–14 (15.1%) 15–24 (11.6%) 25–44 (11.6%) 45–64 (31.5%) 65+ (33.9%)
Show counts
0–14 years38 (15.1%)
15–24 years29 (11.6%)
25–44 years29 (11.6%)
45–64 years79 (31.5%)
65+ years85 (33.9%)

Housing Tenure

Owned outright (62.8%) Mortgaged (27.7%) Rented (9.6%)

SEIFA socio-economic index

Bilgola Beach 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)

Arthritis21 (8.4%)
Asthma17 (6.8%)
Cancer15 (6.0%)
Heart Disease9 (3.6%)
Dementia3 (1.2%)

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

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle20 (22.0%)
2 vehicles52 (57.1%)
3+ vehicles19 (20.9%)

Suburbs Near Bilgola Beach

Same Postcode (2107)

More Bilgola Beach 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.