Climate
Chicago logs 92 frost days a year to Seattle's 7 — Seattle wins by 85. Seattle also leads on hot days by 13.
Chicago
Feels-like °C
Dinner outside
Seattle
Feels-like °C
Dinner outside
Cost of Living
Chicago is $647/mo cheaperChicago runs about $3,665/mo for a balanced lifestyle against Seattle's $4,312/mo — Chicago comes in $647 cheaper each month, roughly 18% less.
Chicago
$3,665monthly · balanced
Seattle
$4,312monthly · balanced
Mobility
Chicago and Seattle score neck-and-neck on mobility (3.4 vs 3.4, 0–5 scale).
Culture
Chicago's culture score of 4.4 sits well above Seattle's 3.8, with the biggest gap on history museums.
Nature & Outdoors
Seattle's nature & outdoors score of 4.5 sits well above Chicago's 3.5, with the biggest gap on sea access.
Safety
Seattle's safety score of 2.8 sits well above Chicago's 2.5, with the biggest gap on road safety. Chicago still holds an edge on wildfire safety.
Career
Chicago's career score of 4.7 sits well above Seattle's 4.2, with the biggest gap on economic scale.
Social & Community
Chicago's social & community score of 4.0 sits well above Seattle's 3.4, with the biggest gap on local-first community.
Food & Dining
Chicago and Seattle score neck-and-neck on food & dining (4.6 vs 4.6, 0–5 scale).
Family
Chicago and Seattle score neck-and-neck on family (4.0 vs 4.0, 0–5 scale).
Healthcare
On healthcare, Seattle scores 3.5 vs Chicago's 2.8 (0–5 scale), with the biggest gap on private healthcare quality.
Air Quality
Chicago averages 8.5 µg/m³ (good) PM2.5 annually versus Seattle's 6.4 µg/m³ (good) — Seattle breathes ~25% cleaner air (2.1 µg/m³ lower).
Chicago
Seattle
PM2.5 annual average
WHO classification
City Scale
Both maps at the same real-world scale — 1 cm on either map is the same distance.
Chicago (5.3M) and Seattle (2.1M) are 2.5x in population — Chicago is the larger metro, Seattle the smaller; on land area Chicago spans roughly 1.8x more ground.
Chicago is roughly 2.1x the scale of Seattle
Combined population & area comparison
City Scale Rankings
Chicago
Seattle
Who Thrives Here
Seattle is the stronger fit for the ocean lover. Both cities work well for the english speaker.
Also compared
Frequently asked about Chicago vs Seattle
▶Which is cheaper, Chicago or Seattle?
▶How does the climate compare between Chicago and Seattle?
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▶Should I move to Chicago or Seattle?
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