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Tax year 2026 · state vs state

Connecticut vs North Dakota Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $2,347 less state income tax a year in North Dakota than in Connecticut, which is about $196 a month. At $150,000 the gap is $5,184 in favor of North Dakota.

Connecticut: up to 6.99%North Dakota: up to 2.5%Updated October 10, 2026

Compare Connecticut and North Dakota for your income

Estimate for education only, not tax advice. 2026 federal and state rules, standard deductions, no local taxes. How we calculate.

State comparison

Comparing 2 states, sorted by lowest overall tax rate.

1North Dakota

Lowest

18.1%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$203
Payroll tax (FICA)
$5,738
Total tax
$13,611
Net income (annual)
$61,389

2Connecticut

21.3%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$2,550
Payroll tax (FICA)
$5,738
Total tax
$15,958
Net income (annual)
$59,043

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💰 Monthly breakdown

Your take-home pay, spread across the year

North Dakota

Monthly gross$6,250
Monthly tax$1,134
Monthly take-home$5,116

Connecticut

Monthly gross$6,250
Monthly tax$1,330
Monthly take-home$4,920

Estimates use 2026 federal and state rates, the standard deduction for your filing status and no local taxes. Rankings use state income tax only.

Connecticut vs North Dakota: how the two systems differ

ConnecticutNorth Dakota
Wage income taxProgressive, 7 bracketsProgressive, 2 brackets
Top rate6.99%2.5%
Lowest rate2%1.95%
Deductions and credits (single)$15,000 personal exemption$16,100 standard deduction

State income tax and take-home pay at every salary

The same salary can leave you with different take-home pay depending on the state. This table applies each state’s 2026 rules to a single filer with no pre-tax contributions.

IncomeCT state taxND state taxDifferenceCT take-homeND take-home
$30,000$425$0$425 less in North Dakota$25,860$26,285
$40,000$875$0$875 less in North Dakota$33,445$34,320
$50,000$1,325$0$1,325 less in North Dakota$41,030$42,355
$60,000$1,775$0$1,775 less in North Dakota$48,615$50,390
$75,000$2,550$203$2,347 less in North Dakota$59,043$61,389
$100,000$3,925$691$3,234 less in North Dakota$75,255$78,489
$150,000$6,850$1,666$5,184 less in North Dakota$106,941$112,125
$250,000$13,025$3,616$9,409 less in North Dakota$170,157$179,566

Single filer, 2026, federal standard deduction. Take-home is after federal, state and payroll tax. No local taxes.

Married filing jointly

IncomeCT state taxND state taxDifferenceCT take-homeND take-home
$75,000$1,795$0$1,795 less in North Dakota$62,828$64,623
$100,000$2,920$0$2,920 less in North Dakota$81,790$84,710
$150,000$5,430$718$4,712 less in North Dakota$117,755$122,467
$250,000$11,060$2,668$8,392 less in North Dakota$186,408$194,800

Married filing jointly, 2026, federal standard deduction. Uses each state's joint brackets where they differ.

Does the lower-tax state change as income rises?

For a single filer, Connecticut and North Dakota charge the same state income tax (nothing) up to roughly $17,500 of income. Above that, North Dakota is the lower-tax state.

Rates side by side

Connecticut (single filers)

2%Up to $10,000
4.5%$10,001 to $50,000
5.5%$50,001 to $100,000
6%$100,001 to $200,000
6.5%$200,001 to $250,000
6.9%$250,001 to $500,000
6.99%Over $500,000

North Dakota (single filers)

1.95%$48,476 to $244,825
2.5%Over $244,825

Full details for each state: Connecticut income tax calculator and North Dakota income tax calculator. Federal rates are on the 2026 federal tax brackets page.

Connecticut vs North Dakota FAQ

Which has lower income tax, Connecticut or North Dakota?+

North Dakota is lower at $75,000: $203 of state income tax versus $2,550 in Connecticut. At $150,000 it is $6,850 in Connecticut and $1,666 in North Dakota. For a single filer, Connecticut and North Dakota charge the same state income tax (nothing) up to roughly $17,500 of income. Above that, North Dakota is the lower-tax state.

How much more do I keep on $100,000 in Connecticut versus North Dakota?+

A single filer keeping $75,255 a year in Connecticut would keep $78,489 in North Dakota after federal, state and payroll tax. The difference is $3,234 a year, or $270 a month.

How do the Connecticut and North Dakota income tax systems differ?+

Connecticut uses progressive rates up to 6.99%; North Dakota uses progressive rates up to 2.5%. State deductions and exemptions also differ, which changes how much income is taxed.

Are local taxes included in this Connecticut vs North Dakota comparison?+

No. It covers federal income tax, Social Security, Medicare and state income tax only. City, county, sales and property taxes are not included, and they can change the real cost of living in each state.

Should I move from Connecticut to North Dakota to save on taxes?+

State income tax is one cost among many. Property and sales taxes, housing, insurance and wages also differ, and you may owe tax to both states in the year you move. Use this comparison as one input and confirm details with a tax professional.

Sources

Last checked October 10, 2026. Confirm with your state tax agency before filing.

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Estimates for education only, not tax, legal or financial advice. Not a substitute for a tax professional or your state revenue department.