Arcadia at a glance
Walk score
2
Very car dependent
Population
1,475
Median age 46
The brief
What to know about Arcadia.
The postcode for Arcadia is 2159 (NSW), part of Greater Sydney.
Arcadia (2159) sits in the Hornsby region of NSW.
Arcadia has roughly 1,475 residents, with an established, older skew. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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What it’s like to live here.
Arcadia scores 2/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 26°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 1302mm. Data comes from the Bureau of Meteorology's Sydney (Observatory Hill) station, 32.5km away.
Schooling within or near the suburb covers 10 government primary, 1 government secondary, 2 Catholic, 7 independent.
Who lives here
Demographics.
The 2021 Census put Arcadia's population at 1,475, with a median age of 46. That sits as an established, older skew. Households are predominantly owner-occupied (83% own, 11% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (84% family households, 14% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
1,475
Median age
46
Family households
84%
Lone person
14%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026· rental-nsw
Rental and ownership
Weekly rent (house)
$480/wk
Weekly rent (unit)
$485/wk
Owner occupied
83%
Renter occupied
11%
At a deeper level
1,475
Median age: 46
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Safety
Crime and safety.
7
total offences in 2026
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of January 2026· State Police Open Data
Getting around
Walkability.
2
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Arcadia.
Local schools for Arcadia
View the catchment for each school to find out more.
Government School Catchment
Arcadia Public School
Galston Public School
Middle Dural Public School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1302 mm
Hottest Month (avg max)
26.2°C
Coldest Month (avg min)
8.4°C
Monthly Rainfall (mm)
Weather data from BOM station Sydney (Observatory Hill) (33 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Arcadia.
- What is the Arcadia postcode?
- Arcadia is in the 2159 postcode, in NSW, in the Hornsby Shire Council region.
- Where is Arcadia?
- Arcadia is a suburb of Sydney, in NSW 2159. It is part of the Greater Sydney area, in the Hornsby Shire Council region.
- What is the average rent in Arcadia?
- The median weekly rent for houses is $480, for units it's $485.
- What schools are in Arcadia?
- There are 20 schools serving Arcadia on this page, including Arcadia Public School, Northholm Grammar School, Galston Public School.
- How walkable is Arcadia?
- Arcadia has a Walk Score of 2 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Arcadia?
- Arcadia is close to Fiddletown, Galston, Middle Dural, Glenorie, Berrilee.
- What is the population of Arcadia?
- The population of Arcadia is approximately 1,475 (2021 Census). The median age is 46.
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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