Question 1

Is San Diego or Washington cheaper to live in?

Accepted Answer

Washington, DC is cheaper. Estimated essentials for a single person run about $685/month less than in San Diego, covering rent plus everyday costs. Typical rent is $3,001/mo in San Diego versus $2,246/mo in Washington.

Question 2

What salary do you need in San Diego vs Washington?

Accepted Answer

Living comfortably takes roughly $106,500/year before tax in San Diego, CA and $90,500/year in Washington, DC — a difference of about $16,000. Both figures are after state and local income taxes are accounted for.

Question 3

Is San Diego or Washington cheaper for a family?

Accepted Answer

Washington, the same answer as for a single person. Two adults with a pre-schooler and a school-age child run about $13,238/month in San Diego and $11,234/month in Washington, including county-median childcare.

Question 4

Should I move to San Diego or Washington?

Accepted Answer

It depends on what you weight. Washington 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	San Diego66	Washington54
Est. monthly cost (single)	$5,376	$4,691
Est. monthly cost (family of 4, incl. childcare)	$13,238	$11,234
Salary for comfort	$106,500/yr	$90,500/yr
Typical rent	$3,001	$2,246
Median home value	$848,500	$724,600
Median household income	$104,321	$106,287
Unemployment	4.3%	6.1%
Housing score	10	35
Jobs score	51	7
Safety score	100	51
Climate score	100	100
Amenities score	95	73
Population	1.4M	672.1K
Summer high / winter low	75° / 49°	88° / 29°

San Diego, CA vs Washington, DC