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Alimony Paid (pre-2019) in Idaho 2026

Calculate your alimony paid (pre-2019) tax savings in Idaho. With Idaho's 5.8% top state tax rate, your combined savings are higher.

Idaho Tax Overview

State Income Tax
5.8%
flat
Sales Tax
6%
avg combined: 6.02%
Property Tax Rate
0.63%
Median Income
$65,988

Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.

Idaho Income Tax Brackets (Single)

5.8%
$0 +
Your bracket
$1,390
Est. Total Savings
No Limit
Max Deduction
Above-the-Line
Deduction Type
27.8%
Combined Tax Rate

Alimony Paid (pre-2019) Savings Calculator for Idaho

$
$

Federal Savings

$1,100

22% bracket

Idaho State

$290

5.8% rate

Total Savings

$1,390

27.8% combined

At a 27.8% combined tax rate in Idaho, every $1,000 in deductions saves you $278 in taxes.

Savings by Tax Bracket in Idaho

10%
$790
12%
$890
22%
$1,390
24%
$1,490
32%
$1,890
35%
$2,040
37%
$2,140

Includes 5.8% Idaho state tax on top of federal savings.

Eligibility Requirements

Available to individuals who pay alimony under divorce or separation agreements executed before January 1, 2019.

  • 1Divorce or separation agreement must be executed before 2019
  • 2Payments must be in cash or cash equivalent
  • 3Payments must not be designated as non-alimony
  • 4Spouses cannot file a joint return together
  • 5Payments must cease upon recipient's death

Idaho residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 5.8%.

Common Mistakes to Avoid

  • !Claiming deduction for agreements after 2018 (no longer deductible)
  • !Including child support payments as alimony
  • !Not reporting recipient's SSN on tax return
  • !Confusing property settlements with alimony
  • !Forgetting to claim the deduction on your Idaho state return (missing up to 5.8% additional savings)

Idaho Filing Tips

Federal standard deduction automatically applies. Maximize the 60% capital gains exclusion on Idaho-sourced investments. Use the grocery credit. Retirement income is fully taxable.

Required Tax Forms

Form 1040 Schedule 1

File these forms with your federal tax return to claim the alimony paid (pre-2019). Idaho may require additional state-specific forms.

Other Tax Deductions in Idaho

Alimony Payments (Pre-2019 Agreements)

Personal

~$22,745
est. savings

Casualty and Theft Loss (Federal Disaster)

Personal

~$18,955
est. savings

Casualty and Theft Losses

Personal

~$3,791
est. savings

Mortgage Interest Deduction

Housing

~$4,423
est. savings

Property Tax Deduction

Housing

~$2,780
est. savings

Home Office Deduction

Housing

~$1,516
est. savings

Home Energy Tax Credit

Housing

~$1,800
est. savings

Residential Solar Tax Credit

Housing

~$7,500
est. savings

Alimony Paid (pre-2019) in Neighboring States

Montana

5.9% top rate (flat)

~$6,341
+4,951 vs Idaho

Wyoming

No state income tax

~$5,000
+3,610 vs Idaho

Utah

4.65% top rate (flat)

~$6,057
+4,667 vs Idaho

Nevada

No state income tax

~$5,000
+3,610 vs Idaho

Oregon

9.9% top rate (progressive)

~$7,250
+5,860 vs Idaho

Washington

No state income tax

~$5,000
+3,610 vs Idaho

Tax Calculators for Idaho Cities

BoiseMeridianNampaIdaho FallsCaldwellPocatelloCoeur d'AleneTwin Falls

Calculate Your Full Tax Savings in Idaho

Use our free tax calculators to optimize your entire tax return for Idaho.

Income Tax CalculatorIdaho Income TaxFull Alimony Paid (pre-2019) Guide

Frequently Asked Questions

How much can I save with the Alimony Paid (pre-2019) in Idaho?

In Idaho, the alimony paid (pre-2019) can save you an estimated $1,390 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $290 in Idaho state tax savings at the 5.8% marginal rate. The national average savings is $5,000/year.

What is the Idaho state income tax rate?

Idaho has a flat income tax system with a top rate of 5.8%. Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.

Who qualifies for the Alimony Paid (pre-2019) in Idaho?

Available to individuals who pay alimony under divorce or separation agreements executed before January 1, 2019.. The eligibility requirements are the same whether you live in Idaho or another state, as this is a federal tax deduction. However, your total savings will vary based on Idaho's 5.8% top state tax rate.

What tax forms do I need to claim the Alimony Paid (pre-2019) in Idaho?

To claim the alimony paid (pre-2019), you need to file Form 1040 Schedule 1 with your federal return. Idaho residents should also check if the state allows this deduction on their state return for additional savings of up to 5.8%. Filing status affects your deduction limits and tax bracket.

Is the Alimony Paid (pre-2019) better in Idaho than in states without income tax?

Yes, Idaho residents benefit more because the state's 5.8% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 27.8% means more savings per dollar deducted.

What is the standard deduction in Idaho for 2026?

Idaho's standard deduction is $14,600 for single filers and $29,200 for married filing jointly. Federal standard deduction automatically applies. Maximize the 60% capital gains exclusion on Idaho-sourced investments. Use the grocery credit. Retirement income is fully taxable.

Related Calculators

Alimony Payments (Pre-2019 Agreements) in Idaho

Avg savings: $18,000/year

Casualty and Theft Loss (Federal Disaster) in Idaho

Avg savings: $15,000/year

Casualty and Theft Losses in Idaho

Avg savings: $3,000/year

Mortgage Interest Deduction in Idaho

Avg savings: $3,500/year

Property Tax Deduction in Idaho

Avg savings: $2,200/year

Home Office Deduction in Idaho

Avg savings: $1,200/year