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San Diego County, CA vs San Francisco County, CA: Cost of Living Difference

Name: WatchPennies cost of living dataset
Creator: WatchPennies

Is it cheaper?

San Francisco County, CA is cheaper than San Diego County, CA.

Moving to San Francisco County, CA is estimated to save $3,331 per year.

Cheaper County

San Francisco County, CASave about $3,331 per year.

Salary needed

$50,000 in San Diego County, CA is about $47,855 in San Francisco County, CA.

Biggest drivers

Healthcare increases by $1,461 per year. Transport saves $4,757 per year.

Housing: $337 lower in San Francisco County, CA

Taxes: $1,302 lower in San Francisco County, CA

Childcare: about the same in both counties

Healthcare: $1,461 higher in San Francisco County, CA

Food: $1,304 higher in San Francisco County, CA

Transport: $4,757 lower in San Francisco County, CA

San Diego County, CA→San Francisco County, CA

Equivalent salary in San Francisco County, CA

$47,855

-4.29% lower

Current salary: $50,000

Household: 1 adult · 0 children

Median Income in San Diego County, CA: $118,115

Median Income in San Francisco County, CA: $165,603

Living Index in San Diego County, CA 65.66%

Living Index in San Francisco County, CA 44.82%

This estimate matches your purchasing power (equivalent salary) when moving from San Diego County, CA to San Francisco County, CA.

* Living index is estimated as (estimated total cost / area median income) * 100. A living index above 100% means modeled costs exceed median income.

Cost of Living Breakdown by Category

Summary

Moving from San Diego County, CA to San Francisco County, CA is estimated to save $3,331 per year. A $50,000 salary in San Diego County, CA would have similar purchasing power to about $47,855 in San Francisco County, CA. The largest savings come from transport and taxes.

This is a 4.29% decrease in modeled annual costs. Transport is $4,757 per year lower (35.36%); Taxes is $1,302 per year lower (6.93%).

Below we break down the annual categories behind the difference using Economic Policy Institute 2026 Family Budget data.

What changed the most?

The following cards show the annual category differences that most affect the move to San Francisco County, CA.

Biggest Cost

Largest annual cost increase when moving to San Francisco County, CA

Annual Increase:

$1,461 per year

HEALTHCARE has the largest annual increase when moving to San Francisco County, CA.

Biggest Savings

Largest annual savings when moving to San Francisco County, CA

Annual Savings:

$4,757 per year

TRANSPORT has the largest annual savings when moving to San Francisco County, CA.

Breakdown of price percentages per category.

Numbers are average costs per section.

Category	Difference
Housing	-1.31% lower
San Diego County, CA San Francisco County, CA Average Cost $25740.00 $25403.00 INFO: Housing costs are based on Department of Housing and Urban Development data. The estimate uses 40th percentile rent for privately owned rental units in each area. Studio apartments are paired with one-adult households, one-bedroom apartments with two-adult households, and two-bedroom apartments with households that have children.
Food	29.43% higher
San Diego County, CA San Francisco County, CA Average Cost $4431.00 $5735.00 INFO: Food costs are based on the U.S. Department of Agriculture's food plans. Numbers are normalized to each area using Feeding America and Meal Gap data. This estimate assumes most food is bought at local grocery stores and prepared at home.
Transport	-35.36% lower
San Diego County, CA San Francisco County, CA Average Cost $13452.00 $8695.00 INFO: Transportation costs are a combination of auto ownership, auto use, and public transit. Data is collected from the Center for Neighborhood Technology (CNT).
Healthcare	25.29% higher
San Diego County, CA San Francisco County, CA Average Cost $5777.00 $7238.00 INFO: Healthcare expenses come from average insurance premiums and out-of-pocket costs. The estimate assumes families purchase the lowest-cost available insurance plan under the Affordable Care Act. Data comes from Kaiser Family Foundation and the U.S. Department of Health and Human Services (HHS).
Other Costs	3.20% higher
San Diego County, CA San Francisco County, CA Average Cost $9367.00 $9667.00 INFO: This cost is calculated through the average spending of categories deemed necessary by the Bureau of Labor Statistics Consumer Expenditure Survey. These include apparel, personal care, household supplies, reading materials, and school supplies.
Childcare	0.00% higher
San Diego County, CA San Francisco County, CA Average Cost $0.00 $0.00 INFO: Childcare expenses are based on combined costs for center-based care and family-based care for 4-year-olds and school-aged children. For households with one child, the estimate assumes the child is 4 years old. For households with two children, the estimate assumes the second child is 8 years old.
Taxes	-6.93% lower
San Diego County, CA San Francisco County, CA Average Cost $18793.00 $17491.00 INFO: Taxes are calculated from the National Bureau of Economic Research. The number weighs in personal income tax, state income tax, federal Social Security, and Medicare taxes.

In San Francisco County, CA, modeled annual costs are $74,229 compared with $77,560 in San Diego County, CA.

Overall, annual costs are lower in San Francisco County, CA. The category breakdown above shows where the move creates the most room in the budget.

In this case San Francisco County, CA and San Diego County, CA are both metropolitan locations.

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