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Jefferson
City in Iowa, United States
Overview
Jefferson, Iowa is a small Midwestern city best known for its welcoming community and the striking Mahanay Memorial Carillon Tower in its quaint downtown. The city offers a blend of history, outdoor recreation, and classic small-town charm perfect for relaxed explorers or those seeking a peaceful retreat.
Geographic Context
Jurisdiction
United States
State
Iowa
Population
1,875
Time Zone
America/Chicago
Coordinates
42.02°, -94.38°
Key Metrics
Safety Score
80
Female Safety
72
LGBTQ+ Safety
50
Traffic Safety
88
Food Safety
94
Monthly Cost
$1,480
Local Cost
$950
Local Income
$2,750
Cashless
60
English
100
Temperature
9.6°C
Summer Avg
23.1°C
Winter Avg
-5.0°C
Record High
42.0°C
Record Low
-35.9°C
Humidity
74%
Precipitation
838 mm
Internet Speed
80 Mbps
Upload
10 Mbps
Latency
3 ms
City Vibrancy
7
Coworking
0
Cafes
0
Nightlife
0
Parks
7
Transport
100
Walk Score
100
Footways
522.0
Airport
EFW
Distance
3 km
Explore
Frequently 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 1 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-08.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
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 66/100.
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