Question 1

Is St. Petersburg or Sunnyvale cheaper to live in?

Accepted Answer

St. Petersburg, FL is cheaper. Estimated essentials for a single person run about $1,620/month less than in Sunnyvale, covering rent plus everyday costs. Typical rent is $1,977/mo in St. Petersburg versus $3,483/mo in Sunnyvale.

Question 2

What salary do you need in St. Petersburg vs Sunnyvale?

Accepted Answer

Living comfortably takes roughly $75,000/year before tax in St. Petersburg, FL and $118,000/year in Sunnyvale, CA — a difference of about $43,000. Both figures are after state and local income taxes are accounted for.

Question 3

Is St. Petersburg or Sunnyvale cheaper for a family?

Accepted Answer

St. Petersburg, the same answer as for a single person. Two adults with a pre-schooler and a school-age child run about $9,984/month in St. Petersburg and $15,164/month in Sunnyvale, including county-median childcare.

Question 4

Should I move to St. Petersburg or Sunnyvale?

Accepted Answer

It depends on what you weight. St. Petersburg 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	St. Petersburg68	Sunnyvale60
Est. monthly cost (single)	$4,259	$5,879
Est. monthly cost (family of 4, incl. childcare)	$9,984	$15,164
Salary for comfort	$75,000/yr	$118,000/yr
Typical rent	$1,977	$3,483
Median home value	$331,500	$1,816,600
Median household income	$73,118	$181,862
Unemployment	4.1%	3.5%
Housing score	39	33
Jobs score	61	75
Safety score	57	72
Climate score	100	100
Amenities score	63	54
Population	260.6K	153.5K
Summer high / winter low	91° / 54°	77° / 43°

St. Petersburg, FL vs Sunnyvale, CA