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Tax year 2026 · state vs state

District of Columbia vs Idaho Income Tax Comparison (2026)

On a $75,000 salary (single filer, 2026), you pay $562 less state income tax a year in Idaho than in District of Columbia, which is about $47 a month. At $150,000 the gap is $2,940 in favor of Idaho.

District of Columbia: up to 10.75%Idaho: 5.3% flatUpdated October 10, 2026

Compare District of Columbia and Idaho 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.

1Idaho

Lowest

21.7%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$2,867
Payroll tax (FICA)
$5,738
Total tax
$16,274
Net income (annual)
$58,726

2District of Columbia

22.4%

Overall effective tax rate

  • Net
  • Federal
  • State
  • FICA
Federal income tax
$7,670
State income tax
$3,429
Payroll tax (FICA)
$5,738
Total tax
$16,836
Net income (annual)
$58,164

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💰 Monthly breakdown

Your take-home pay, spread across the year

Idaho

Monthly gross$6,250
Monthly tax$1,356
Monthly take-home$4,894

District of Columbia

Monthly gross$6,250
Monthly tax$1,403
Monthly take-home$4,847

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

District of Columbia vs Idaho: how the two systems differ

District of ColumbiaIdaho
Wage income taxProgressive, 7 bracketsFlat 5.3%
Top rate10.75%5.3%
Lowest rate4%5.3%
Deductions and credits (single)$16,100 standard deduction$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.

IncomeDC state taxID state taxDifferenceDC take-homeID take-home
$30,000$634$482$152 less in Idaho$25,651$25,803
$40,000$1,234$1,012$222 less in Idaho$33,086$33,308
$50,000$1,834$1,542$292 less in Idaho$40,521$40,813
$60,000$2,454$2,072$382 less in Idaho$47,937$48,318
$75,000$3,429$2,867$562 less in Idaho$58,164$58,726
$100,000$5,532$4,192$1,340 less in Idaho$73,649$74,988
$150,000$9,782$6,842$2,940 less in Idaho$104,010$106,949
$250,000$18,282$12,142$6,140 less in Idaho$164,901$171,040

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

Married filing jointly

IncomeDC state taxID state taxDifferenceDC take-homeID take-home
$75,000$2,382$1,758$624 less in Idaho$62,241$62,864
$100,000$4,163$3,083$1,080 less in Idaho$80,547$81,627
$150,000$8,413$5,733$2,680 less in Idaho$114,772$117,452
$250,000$16,913$11,033$5,880 less in Idaho$180,555$186,435

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, District of Columbia and Idaho charge the same state income tax (nothing) up to roughly $17,500 of income. Above that, Idaho is the lower-tax state.

Rates side by side

District of Columbia (single filers)

4%Up to $10,000
6%$10,001 to $40,000
6.5%$40,001 to $60,000
8.5%$60,001 to $250,000
9.25%$250,001 to $500,000
9.75%$500,001 to $1,000,000
10.75%Over $1,000,000

Idaho (single filers)

5.3%Over $4,811

Full details for each state: District of Columbia income tax calculator and Idaho income tax calculator. Federal rates are on the 2026 federal tax brackets page.

District of Columbia vs Idaho FAQ

Which has lower income tax, District of Columbia or Idaho?+

Idaho is lower at $75,000: $2,867 of state income tax versus $3,429 in District of Columbia. At $150,000 it is $9,782 in District of Columbia and $6,842 in Idaho. For a single filer, District of Columbia and Idaho charge the same state income tax (nothing) up to roughly $17,500 of income. Above that, Idaho is the lower-tax state.

How much more do I keep on $100,000 in District of Columbia versus Idaho?+

A single filer keeping $73,649 a year in District of Columbia would keep $74,988 in Idaho after federal, state and payroll tax. The difference is $1,340 a year, or $112 a month.

How do the District of Columbia and Idaho income tax systems differ?+

District of Columbia uses progressive rates up to 10.75%; Idaho uses a flat 5.3% rate. State deductions and exemptions also differ, which changes how much income is taxed.

Are local taxes included in this District of Columbia vs Idaho 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 District of Columbia to Idaho 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.