Question 1

Is Philadelphia or San Diego cheaper to live in?

Accepted Answer

Philadelphia, PA is cheaper. Estimated essentials for a single person run about $1,072/month less than in San Diego, covering rent plus everyday costs. Typical rent is $1,810/mo in Philadelphia versus $3,001/mo in San Diego.

Question 2

What salary do you need in Philadelphia vs San Diego?

Accepted Answer

Living comfortably takes roughly $84,000/year before tax in Philadelphia, PA and $106,500/year in San Diego, CA — a difference of about $22,500. Both figures are after state and local income taxes are accounted for.

Question 3

Is Philadelphia or San Diego cheaper for a family?

Accepted Answer

Philadelphia, the same answer as for a single person. Two adults with a pre-schooler and a school-age child run about $9,690/month in Philadelphia and $13,238/month in San Diego, including county-median childcare.

Question 4

Should I move to Philadelphia or San Diego?

Accepted Answer

It depends on what you weight. Philadelphia 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	Philadelphia53	San Diego66
Est. monthly cost (single)	$4,304	$5,376
Est. monthly cost (family of 4, incl. childcare)	$9,690	$13,238
Salary for comfort	$84,000/yr	$106,500/yr
Typical rent	$1,810	$3,001
Median home value	$232,400	$848,500
Median household income	$60,698	$104,321
Unemployment	4.9%	4.3%
Housing score	45	10
Jobs score	55	51
Safety score	4	100
Climate score	100	100
Amenities score	46	95
Population	1.6M	1.4M
Summer high / winter low	87° / 29°	75° / 49°

Philadelphia, PA vs San Diego, CA