Question 1

Is Chicago or San Diego cheaper to live in?

Accepted Answer

Chicago, IL is cheaper. Estimated essentials for a single person run about $1,083/month less than in San Diego, covering rent plus everyday costs. Typical rent is $1,781/mo in Chicago versus $3,001/mo in San Diego.

Question 2

What salary do you need in Chicago vs San Diego?

Accepted Answer

Living comfortably takes roughly $81,000/year before tax in Chicago, IL and $106,500/year in San Diego, CA — a difference of about $25,500. Both figures are after state and local income taxes are accounted for.

Question 3

Is Chicago or San Diego cheaper for a family?

Accepted Answer

Chicago, the same answer as for a single person. Two adults with a pre-schooler and a school-age child run about $9,545/month in Chicago and $13,238/month in San Diego, including county-median childcare.

Question 4

Should I move to Chicago or San Diego?

Accepted Answer

It depends on what you weight. Chicago costs less month to month, but cost is one of six factors — jobs, safety, climate, housing and amenities all differ too. Compare them against your own income and priorities rather than a single ranking.

Metric	Chicago61	San Diego66
Est. monthly cost (single)	$4,293	$5,376
Est. monthly cost (family of 4, incl. childcare)	$9,545	$13,238
Salary for comfort	$81,000/yr	$106,500/yr
Typical rent	$1,781	$3,001
Median home value	$315,200	$848,500
Median household income	$75,134	$104,321
Unemployment	5.9%	4.3%
Housing score	52	10
Jobs score	7	51
Safety score	66	100
Climate score	89	100
Amenities score	73	95
Population	2.7M	1.4M
Summer high / winter low	85° / 21°	75° / 49°

Chicago, IL vs San Diego, CA