Taxes

California vs Connecticut: State Income Tax

Connecticut has a lower state income tax rate than California.

California flag
California
CA · West
13.30%
Top marginal state income tax rate. 0% = no state income tax.
Connecticut flag
Connecticut
CT · Northeast
Winner
6.99%
Top marginal state income tax rate. 0% = no state income tax.

Visual comparison

California13.30%
Connecticut6.99%

Difference: 6.31 percentage points — Connecticut leads.

National Rankings

Where They Rank Nationally

See where both states fall among all 50 states for state income tax.

California #50 · 13.30%
Connecticut #41 · 6.99%
Best Worst

10 Best States — State Income Tax

Lower is better
#1 Alaska flag Alaska
None (0%)
#2 Florida flag Florida
None (0%)
#3 Nevada flag Nevada
None (0%)
#4 New Hampshire flag New Hampshire
None (0%)
#5 South Dakota flag South Dakota
None (0%)
#6 Tennessee flag Tennessee
None (0%)
#7 Texas flag Texas
None (0%)
#8 Washington flag Washington
None (0%)
#9 Wyoming flag Wyoming
None (0%)
#10 Arizona flag Arizona
2.50%
Selected states
#50 California flag California
13.30%
#41 Connecticut flag Connecticut
6.99%

California ranks 50th and Connecticut ranks 41st 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 Connecticut: State Income Tax in context

Connecticut's state income tax is 6.99%, compared with 13.30% in California. Top marginal state income tax rate. 0% = no state income tax.

California
13.30%
Connecticut
6.99%
Difference
6.31 percentage points

People also ask

California vs Connecticut State Income Tax — common questions

QWhat is California's state income tax?

California's state income tax is 13.30%.

QWhat is Connecticut's state income tax?

Connecticut's state income tax is 6.99%.

QWhich state has a lower state income tax — California or Connecticut?

Connecticut has a lower state income tax rate than California.

More comparisons: California vs Connecticut

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Full comparison

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.