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Jefferson County
City in Iowa, United States
Overview
Jefferson County, centered around the city of Fairfield, is known for its lively arts scene, progressive culture, and rich rural charm. It offers a surprising diversity for a small midwestern county, blending innovative living with a tight-knit community atmosphere. Visitors will find a variety of parks, unique experiences, and an emphasis on sustainability.
Geographic Context
Jurisdiction
United States
State
Iowa
Population
32,977
Time Zone
America/Chicago
Coordinates
41.03°, -91.95°
Key Metrics
Safety Score · estimate
80
Female Safety
80
LGBTQ+ Safety
65
Traffic Safety
75
Food Safety
95
Monthly Cost · estimate
$1,755
Local Cost
$1,065
Local Income
$2,300
Cashless
65
English
100
Temperature
10.6°C
Summer Avg
23.7°C
Winter Avg
-3.4°C
Record High
43.5°C
Record Low
-35.7°C
Humidity
76%
Precipitation
929 mm
Internet Speed
90 Mbps
Upload
94 Mbps
Latency
14 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
Airport
FFL
Distance
4 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: 75/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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