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Boulogne-Billancourt
City in Île-de-France, France
Overview
Boulogne-Billancourt is a dynamic suburb just west of Paris, blending historic charm with modern living. It features tranquil parks, cultural attractions, and an active local life, making it popular for families and professionals. The city offers easy metro access to central Paris while maintaining its own distinct vibe.
Geographic Context
Jurisdiction
France
Metropolitan Region
Île-de-France
Population
120,205
Time Zone
Europe/Paris
Coordinates
48.84°, 2.24°
Key Metrics
Safety Score
82
Female Safety
83
LGBTQ+ Safety
86
Traffic Safety
77
Food Safety
98
Monthly Cost
$2,775
Local Cost
$1,900
Local Income
$2,550
Cashless
87
English
58
Temperature
10.9°C
Summer Avg
18.5°C
Winter Avg
3.4°C
Record High
39.6°C
Record Low
-12.5°C
Humidity
81%
Precipitation
661 mm
Internet Speed
378 Mbps
Upload
261 Mbps
Latency
6 ms
City Vibrancy
178
Coworking
4
Cafes
51
Nightlife
27
Parks
96
Transport
0
Walk Score
0
Footways
—
Airport
VIY
Distance
8 km
Explore
Neighborhoods
Mapped8 neighborhoods sourced from Overture Maps and OpenStreetMap.
View all 8 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 52 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 - 8 source-backed neighborhood entities are available for this city. Updated 2026-03-21.
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 85/100.
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