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Sumner
City in Washington, United States
Overview
Sumner is a quaint city in Washington known for its welcoming downtown, beautiful views of Mount Rainier, and rich horticultural history. Its friendly atmosphere and small population make it a peaceful retreat while still being close to Tacoma and Seattle.
Geographic Context
Jurisdiction
United States
State
Washington
Population
252
Time Zone
America/Los_Angeles
Coordinates
47.20°, -122.24°
Key Metrics
Safety Score · estimate
83
Female Safety
80
LGBTQ+ Safety
75
Traffic Safety
80
Food Safety
95
Monthly Cost · estimate
$2,770
Local Cost
$1,850
Local Income
$2,600
Cashless
85
English
100
Temperature
9.3°C
Summer Avg
16.2°C
Winter Avg
2.9°C
Record High
37.9°C
Record Low
-14.9°C
Humidity
85%
Precipitation
1522 mm
Internet Speed
290 Mbps
Upload
67 Mbps
Latency
18 ms
City Vibrancy
25
Coworking
0
Cafes
14
Nightlife
0
Parks
11
Transport
100
Walk Score
100
Footways
994.0
Airport
TCM
Distance
20 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-08.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
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 2026-03-23.
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: 70/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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