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Washington DC vs San Diego

Cost of living comparison — C2ER 2024-2025 data

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San Diego is 7% more expensive than Washington DC overall.Washington DC has a cost of living index of 152 vs San Diego at 163 (national average = 100). The biggest difference is housing San Diego costs 17% less.

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Washington DC
DC
152
COLI index
VS
San Diego
CA
163
COLI index

Category Breakdown

CategoryWashington DCSan DiegoDifference
Overall COLI152163+7%
Housing252295+17%
Groceries110113+3%
Transport112114+2%
Healthcare105106+1%
Utilities115121+5%

Median 1BR Rent

Washington DC
$2,400/mo
San Diego
$2,350/mo

Median Home Price

Washington DC
$640,000
San Diego
$870,000

Median Household Income

Washington DC
$93,511
San Diego
$83,454

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Frequently Asked Questions

Washington DC is cheaper to live in overall. Washington DC has a cost of living index of 152 while San Diego has an index of 163, where 100 represents the US national average. San Diego is 7% more expensive than Washington DC overall.

The median 1-bedroom rent in Washington DC is $2,400 per month compared to $2,350 in San Diego. The median home price in Washington DC is $640,000 versus $870,000 in San Diego. Housing is typically the largest factor in cost of living differences between cities.

Washington DC has a cost of living index of 152 and San Diego has an index of 163, both measured against a US national average of 100. An index above 100 means more expensive than the national average — below 100 means cheaper.

To maintain the same purchasing power as a salary in Washington DC, multiply by 1.07. For example a $75,000 salary in Washington DC is equivalent to approximately $80,428 in San Diego.

Washington DC has a median household income of $93,511 per year versus $83,454 in San Diego. Higher incomes must be weighed against cost of living. Use the Dayblip salary tools to see specific job salaries in both cities.

Whether moving from Washington DC to San Diego is worthwhile depends on your salary, lifestyle, and priorities. San Diego is 7% more expensive overall — with the biggest difference in housing. Use the Dayblip cost of living calculator to enter your specific salary and see the exact dollar impact.

Last updated: June 2026

Methodology: Cost of living indices from C2ER Cost of Living Index 2024-2025. Rent data from Zillow December 2024. Home price data from Zillow Home Value Index December 2024. Household income from US Census Bureau ACS 2023. National average COLI = 100. Data updated annually.