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Castle Hill

City in New South Wales, Australia

Overview

Castle Hill is a lively suburb in Sydney's northwest, notable for its lush parks, excellent schools, and dynamic retail scene anchored by Castle Towers. It offers a blend of urban amenities and leafy green spaces, making it popular with families and professionals. The area's friendly atmosphere and modern infrastructure attract visitors looking for both relaxation and convenience.

Geographic Context

Jurisdiction
Australia
State
New South Wales
Population
40,874
Time Zone
Australia/Sydney
Coordinates
-33.73°, 151.00°

Key Metrics

Safety Score
85
Female Safety
80
LGBTQ+ Safety
85
Traffic Safety
75
Food Safety
98
Monthly Cost
$3,035
Local Cost
$2,210
Local Income
$3,600
Cashless
95
English
97
Temperature
18.0°C
Summer Avg
22.7°C
Winter Avg
12.7°C
Record High
43.0°C
Record Low
2.0°C
Humidity
71%
Precipitation
912 mm
Internet Speed
83 Mbps
Upload
18 Mbps
Latency
19 ms
City Vibrancy
48
Coworking
0
Cafes
12
Nightlife
1
Parks
35
Transport
0
Walk Score
0
Footways
—
Airport
BWU
Distance
21 km

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Neighborhoods

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Neighborhood highlights with vibe, safety, and cost profiles.

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Frequently Asked Questions

Data sources

Source-backed data

NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 70 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.

Estimated data

Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 83/100.

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