Question 1

Is Irvine or San Diego cheaper to live in?

Accepted Answer

San Diego, CA is cheaper. Estimated essentials for a single person run about $360/month less than in Irvine, covering rent plus everyday costs. Typical rent is $3,236/mo in Irvine versus $3,001/mo in San Diego.

Question 2

What salary do you need in Irvine vs San Diego?

Accepted Answer

Living comfortably takes roughly $115,000/year before tax in Irvine, CA and $106,500/year in San Diego, CA — a difference of about $8,500. Both figures are after state and local income taxes are accounted for.

Question 3

Is Irvine or San Diego cheaper for a family?

Accepted Answer

San Diego, the same answer as for a single person. Two adults with a pre-schooler and a school-age child run about $13,944/month in Irvine and $13,238/month in San Diego, including county-median childcare.

Question 4

Should I move to Irvine or San Diego?

Accepted Answer

It depends on what you weight. San Diego 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	Irvine61	San Diego66
Est. monthly cost (single)	$5,736	$5,376
Est. monthly cost (family of 4, incl. childcare)	$13,944	$13,238
Salary for comfort	$115,000/yr	$106,500/yr
Typical rent	$3,236	$3,001
Median home value	$1,115,400	$848,500
Median household income	$129,647	$104,321
Unemployment	4.2%	4.3%
Housing score	14	10
Jobs score	45	51
Safety score	97	100
Climate score	100	100
Amenities score	80	95
Population	308.2K	1.4M
Summer high / winter low	85° / 47°	75° / 49°

Irvine, CA vs San Diego, CA