Chicago is about 12 times bigger than Santa Barbara.

Santa Barbara is approximately 50 sq km, while Chicago is approximately 590 sq km, making Chicago 1,069% larger than Santa Barbara.
Tip: This to-scale comparison of Santa Barbara vs. Chicago uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.