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Grafton
City in Wisconsin, United States
Overview
Grafton is a lively northern suburb of Milwaukee known for its historic downtown, scenic riverfront, and family-oriented community. With a population of just over 12,000, it offers a peaceful small-town feel while being close to city amenities.
Geographic Context
Jurisdiction
United States
State
Wisconsin
Population
12,094
Time Zone
America/Chicago
Coordinates
43.32°, -87.95°
Key Metrics
Safety Score · estimate
90
Female Safety
85
LGBTQ+ Safety
80
Traffic Safety
80
Food Safety
95
Monthly Cost · estimate
$2,825
Local Cost
$1,762
Local Income
$3,500
Cashless
85
English
100
Temperature
7.7°C
Summer Avg
20.6°C
Winter Avg
-5.8°C
Record High
38.5°C
Record Low
-37.7°C
Humidity
81%
Precipitation
899 mm
Internet Speed
220 Mbps
Upload
24 Mbps
Latency
12 ms
City Vibrancy
11
Coworking
0
Cafes
1
Nightlife
0
Parks
10
Transport
14
Walk Score
14
Footways
27.0
Airport
ETB
Distance
18 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 2025-12-07.
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 2026-03-22.
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: 78/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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