Taxes
California vs Delaware: State Income Tax
Delaware has a lower state income tax rate than California.
National Rankings
Where They Rank Nationally
See where both states fall among all 50 states for state income tax.
California
#50 · 13.30%
Delaware
#39 · 6.60%
Best
Worst
10 Best States — State Income Tax
Lower is better
#1
Alaska
None (0%)
Alaska
#2
Florida
None (0%)
Florida
#3
Nevada
None (0%)
Nevada
#4
New Hampshire
None (0%)
New Hampshire
#5
South Dakota
None (0%)
South Dakota
#6
Tennessee
None (0%)
Tennessee
#7
Texas
None (0%)
Texas
#8
Washington
None (0%)
Washington
#9
Wyoming
None (0%)
Wyoming
#10
Arizona
2.50%
Arizona
Selected states
#50
California
13.30%
California
#39
Delaware
6.60%
Delaware
California ranks 50th and Delaware ranks 39th nationally for state income tax.
Related context
Tax Burden Picture
Income tax is just one layer — sales and property taxes complete the picture.
What this means
California vs Delaware: State Income Tax in context
Delaware's state income tax is 6.60%, compared with 13.30% in California. Top marginal state income tax rate. 0% = no state income tax.
California
13.30%
Delaware
6.60%
Difference
6.70 percentage points
People also ask
California vs Delaware State Income Tax — common questions
QWhat is California's state income tax?
California's state income tax is 13.30%.
QWhat is Delaware's state income tax?
Delaware's state income tax is 6.60%.
QWhich state has a lower state income tax — California or Delaware?
Delaware has a lower state income tax rate than California.
More comparisons: California vs Delaware
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Data source and freshness
Data period
2026 comparison
Dataset reviewed
July 23, 2026
Method note
Top marginal state rate; brackets, deductions, local taxes, and effective rates differ.