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Cergy
City in Île-de-France, France
Overview
Cergy is a modern suburban city northwest of Paris, known for its universities, scenic river views, and innovative urban planning. It balances green spaces and lively commercial areas, making it dynamic yet accessible.
Geographic Context
Jurisdiction
France
Metropolitan Region
Île-de-France
Population
69,578
Time Zone
Europe/Paris
Coordinates
49.04°, 2.08°
Key Metrics
Safety Score
65
Female Safety
63
LGBTQ+ Safety
70
Traffic Safety
70
Food Safety
95
Monthly Cost
$2,115
Local Cost
$1,370
Local Income
$2,200
Cashless
80
English
50
Temperature
10.7°C
Summer Avg
18.1°C
Winter Avg
3.5°C
Record High
38.1°C
Record Low
-12.1°C
Humidity
82%
Precipitation
672 mm
Internet Speed
214 Mbps
Upload
131 Mbps
Latency
8 ms
City Vibrancy
38
Coworking
2
Cafes
7
Nightlife
12
Parks
17
Transport
0
Walk Score
0
Footways
—
Airport
POX
Distance
7 km
Explore
Neighborhoods
Mapped42 neighborhoods sourced from Overture Maps and OpenStreetMap.
View all 42 neighborhoodsFrequently 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 14 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.
Overture Maps and OpenStreetMap - 42 source-backed neighborhood entities are available for this city. Updated 2026-04-04.
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 78/100.
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