Cost of Living: San Diego, CA vs Washington, DC (2026)

San Diego

California
197
VS

Washington

District of Columbia
171

San Diego is 15% more expensive than Washington.

$2,223/mo ↑ 17%
Median Rent
$1,900/mo ↓ 15%
$104,321/yr ↓ 2%
Median Income
$106,287/yr ↑ 2%
$848,500 ↑ 17%
Home Value
$724,600 ↓ 15%
$2,308/mo ↑ 10%
Owner Costs
$2,103/mo ↓ 9%
1,385,061
Population
672,079

Tax Comparison

13.3%
Income Tax
10.75%
7.25%
State Sales Tax
6.0%
0.71%
Property Tax
0.56%

Affordability

25.6%
rent-to-income
Affordability
21.5%
rent-to-income

Detailed Comparison

When comparing San Diego, CA and Washington, DC, the overall cost of living indices are 197 and 171 respectively (national median = 100). Rent is $323/month cheaper in Washington, saving renters about $3,876/year.

Median household income is $1,966/year higher in Washington. Home values also differ significantly — the median in San Diego is $848,500 compared to $724,600 in Washington.

District of Columbia has a lower income tax rate, making Washington slightly more tax-friendly.

Frequently Asked Questions

San Diego vs Washington — common questions

Is San Diego or Washington cheaper to live in?
Based on our cost index, Washington is cheaper to live in with an index of 171 compared to 197 (US average = 100).
What is the rent difference between San Diego and Washington?
Median rent in San Diego is $2,223/month and in Washington it's $1,900/month — a difference of $323/month.
Which city has higher income, San Diego or Washington?
Median household income is $104,321 in San Diego and $106,287 in Washington. Median household income is $1,966/year higher in Washington.
How do taxes compare between California and District of Columbia?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. District of Columbia has 10.75% income tax, 6.0% sales tax, and 0.56% property tax.
Should I move to San Diego or Washington?
It depends on your priorities. San Diego has a cost index of 197 with median rent of $2,223/mo, while Washington has a cost index of 171 with rent of $1,900/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View San Diego details → View Washington details →

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