Question 1

Is Phoenix or San Diego cheaper to live in?

Accepted Answer

Phoenix, AZ is cheaper. Estimated essentials for a single person run about $993/month less than in San Diego, covering rent plus everyday costs. Typical rent is $1,839/mo in Phoenix versus $3,001/mo in San Diego.

Question 2

What salary do you need in Phoenix vs San Diego?

Accepted Answer

Living comfortably takes roughly $80,000/year before tax in Phoenix, AZ and $106,500/year in San Diego, CA — a difference of about $26,500. Both figures are after state and local income taxes are accounted for.

Question 3

Is Phoenix or San Diego cheaper for a family?

Accepted Answer

Phoenix, the same answer as for a single person. Two adults with a pre-schooler and a school-age child run about $10,297/month in Phoenix and $13,238/month in San Diego, including county-median childcare.

Question 4

Should I move to Phoenix or San Diego?

Accepted Answer

It depends on what you weight. Phoenix 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	Phoenix58	San Diego66
Est. monthly cost (single)	$4,383	$5,376
Est. monthly cost (family of 4, incl. childcare)	$10,297	$13,238
Salary for comfort	$80,000/yr	$106,500/yr
Typical rent	$1,839	$3,001
Median home value	$381,900	$848,500
Median household income	$77,041	$104,321
Unemployment	4.7%	4.3%
Housing score	42	10
Jobs score	24	51
Safety score	45	100
Climate score	72	100
Amenities score	92	95
Population	1.6M	1.4M
Summer high / winter low	106° / 46°	75° / 49°

Phoenix, AZ vs San Diego, CA