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Champs-sur-Marne

City in Île-de-France, France

Overview

Champs-sur-Marne is a charming suburban town east of Paris, known for its rich heritage, stately Château de Champs-sur-Marne, and proximity to green spaces along the Marne river. The city blends tranquility with the convenience of modern amenities and has direct RER train access to Paris.

Geographic Context

Jurisdiction
France
Metropolitan Region
Île-de-France
Population
26,661
Time Zone
Europe/Paris
Coordinates
48.85°, 2.60°

Key Metrics

Safety Score · estimate
74
Female Safety
72
LGBTQ+ Safety
71
Traffic Safety
79
Food Safety
95
Monthly Cost · estimate
$2,152
Local Cost
$1,470
Local Income
$2,250
Cashless
85
English
47
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
483 Mbps
Upload
315 Mbps
Latency
5 ms
City Vibrancy
50
Coworking
0
Cafes
10
Nightlife
4
Parks
36
Transport
0
Walk Score
0
Footways
—
Airport
LBG
Distance
17 km

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Cost of Living
Prices & expenses
Weather & Climate
Temperature & conditions
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Neighborhoods
3 areas mapped
City Guide
Tips & insights

Neighborhoods

Partial

Coverage is incomplete — additional neighborhoods are being added as more source data is processed.

Coverage is incomplete — more neighborhoods are being added.

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Data sources

Source-backed data

World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 212 tests. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-05.
Overture Maps and OpenStreetMap - 3 source-backed neighborhood entities are available for this city. Record updated 2026-04-05.

Estimates and unverified origins

Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 72/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.

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