Boston logs 74 frost days a year to Chicago's 92 — Boston wins by 18. Boston also leads on hot days by 3.

Boston runs about $4,582/mo for a balanced lifestyle against Chicago's $3,665/mo — Chicago comes in $917 cheaper each month, roughly 25% less.

On mobility, Boston scores 3.8 vs Chicago's 3.4 (0–5 scale), with the biggest gap on airport accessibility. Chicago still holds an edge on cycling infrastructure.

Chicago's culture score of 4.4 sits well above Boston's 4.0, with the biggest gap on live music venues.

Boston's nature & outdoors score of 4.0 sits well above Chicago's 3.5, with the biggest gap on sea access.

Boston's safety score is ~1.2× Chicago's — in the middle of the scale, while Chicago lands in the middle of the scale, with the biggest gap on property crime safety. Chicago still holds an edge on wildfire safety.

Boston and Chicago score neck-and-neck on career (4.6 vs 4.7, 0–5 scale).

Chicago's social & community score of 4.0 sits well above Boston's 3.4, with the biggest gap on local-first community.

On food & dining, Chicago scores 4.6 vs Boston's 4.2 (0–5 scale), with the biggest gap on brunch availability.

Boston and Chicago score neck-and-neck on family (3.9 vs 4.0, 0–5 scale).

On healthcare, Boston scores 3.5 vs Chicago's 2.8 (0–5 scale), with the biggest gap on private healthcare quality.

Boston averages 6.7 µg/m³ (good) PM2.5 annually versus Chicago's 8.5 µg/m³ (good) — Boston breathes ~21% cleaner air (1.8 µg/m³ lower).

Who Thrives Here