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Jefferson County
City in Washington, United States
Overview
Jefferson County, set on Washington's Olympic Peninsula, is renowned for its mix of historic towns, stunning natural scenery, and coastal charm. With a welcoming community and easy access to forests, beaches, and arts, it offers a slower pace ideal for relaxation and adventure.
Geographic Context
Jurisdiction
United States
State
Washington
Population
32,977
Time Zone
America/Los_Angeles
Coordinates
47.78°, -123.57°
Key Metrics
Safety Score · estimate
84
Female Safety
82
LGBTQ+ Safety
78
Traffic Safety
82
Food Safety
96
Monthly Cost · estimate
$2,890
Local Cost
$1,845
Local Income
$3,400
Cashless
85
English
99
Temperature
7.2°C
Summer Avg
13.5°C
Winter Avg
1.7°C
Record High
34.4°C
Record Low
-17.4°C
Humidity
86%
Precipitation
1876 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
Airport
CLM
Distance
39 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 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-05.
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: 70/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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