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Alimony Payments (Pre-2019 Agreements) in South Dakota 2026

Calculate your alimony payments (pre-2019 agreements) tax savings in South Dakota. South Dakota has no state income tax, so savings come from the federal level.

South Dakota Tax Overview

State Income Tax
None
none
Sales Tax
4.2%
avg combined: 6.4%
Property Tax Rate
1.22%
Median Income
$65,964

No income or corporate tax. Popular for trusts. Moderate property taxes.

$1,100
Est. Total Savings
$100,000
Max Deduction
Above-the-Line
Deduction Type
22.0%
Combined Tax Rate

Alimony Payments (Pre-2019 Agreements) Savings Calculator for South Dakota

$
$

Federal Savings

$1,100

22% bracket

South Dakota State

$0

0% rate

Total Savings

$1,100

22.0% combined

At a 22.0% combined tax rate in South Dakota, every $1,000 in deductions saves you $220 in taxes.

Savings by Tax Bracket in South Dakota

10%
$500
12%
$600
22%
$1,100
24%
$1,200
32%
$1,600
35%
$1,750
37%
$1,850

South Dakota has no state income tax — savings are from federal taxes only.

Eligibility Requirements

Individuals paying alimony under divorce agreements executed before 2019

  • 1Divorce agreement before January 1, 2019
  • 2Cash payments
  • 3Payments to ex-spouse

Common Mistakes to Avoid

  • !Including child support
  • !Post-2018 agreements don't qualify

South Dakota Filing Tips

No income or corporate tax. Trust-friendly laws benefit estate planning. Sales tax at 6.4% is moderate.

Required Tax Forms

Form 1040Schedule 1

File these forms with your federal tax return to claim the alimony payments (pre-2019 agreements).

Other Tax Deductions in South Dakota

Casualty and Theft Loss (Federal Disaster)

Personal

~$15,000
est. savings

Mortgage Interest Deduction

Housing

~$3,500
est. savings

Property Tax Deduction

Housing

~$2,200
est. savings

Home Office Deduction

Housing

~$1,200
est. savings

Home Energy Tax Credit

Housing

~$1,800
est. savings

Residential Solar Tax Credit

Housing

~$7,500
est. savings

Military Moving Expenses

Housing

~$4,000
est. savings

PMI Premium Deduction

Housing

~$1,100
est. savings

Alimony Payments (Pre-2019 Agreements) in Neighboring States

North Dakota

1.95% top rate (flat)

~$19,595
+18,495 vs South Dakota

Minnesota

9.85% top rate (progressive)

~$26,059
+24,959 vs South Dakota

Iowa

3.8% top rate (flat)

~$21,109
+20,009 vs South Dakota

Nebraska

5.84% top rate (progressive)

~$22,778
+21,678 vs South Dakota

Wyoming

No state income tax

~$18,000
+16,900 vs South Dakota

Montana

5.9% top rate (flat)

~$22,827
+21,727 vs South Dakota

Tax Calculators for South Dakota Cities

Sioux FallsRapid City

Calculate Your Full Tax Savings in South Dakota

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

Income Tax CalculatorSouth Dakota Income TaxFull Alimony Payments (Pre-2019 Agreements) Guide

Frequently Asked Questions

How much can I save with the Alimony Payments (Pre-2019 Agreements) in South Dakota?

In South Dakota, the alimony payments (pre-2019 agreements) can save you an estimated $1,100 per year on a $5,000 deduction. This includes $1,100 in federal tax savings. The national average savings is $18,000/year.

What is the South Dakota state income tax rate?

South Dakota has no state income tax, which means the alimony payments (pre-2019 agreements) only provides federal tax savings for South Dakota residents. No income or corporate tax. Popular for trusts. Moderate property taxes.

Who qualifies for the Alimony Payments (Pre-2019 Agreements) in South Dakota?

Individuals paying alimony under divorce agreements executed before 2019. The eligibility requirements are the same whether you live in South Dakota or another state, as this is a federal tax deduction. However, your total savings will vary based on South Dakota's lack of state income tax.

What tax forms do I need to claim the Alimony Payments (Pre-2019 Agreements) in South Dakota?

To claim the alimony payments (pre-2019 agreements), you need to file Form 1040 and Schedule 1 with your federal return. Filing status affects your deduction limits and tax bracket.

Is the Alimony Payments (Pre-2019 Agreements) better in South Dakota than in states without income tax?

Since South Dakota has no state income tax, the alimony payments (pre-2019 agreements) only reduces your federal tax bill. Residents in states with income tax get additional state-level savings. However, South Dakota residents often benefit from lower overall tax burden.

What is the standard deduction in South Dakota for 2026?

South Dakota has no state income tax, so there is no state standard deduction. The federal standard deduction for 2026 is $14,600 for single filers and $29,200 for married filing jointly.

Related Calculators

Casualty and Theft Loss (Federal Disaster) in South Dakota

Avg savings: $15,000/year

Mortgage Interest Deduction in South Dakota

Avg savings: $3,500/year

Property Tax Deduction in South Dakota

Avg savings: $2,200/year

Home Office Deduction in South Dakota

Avg savings: $1,200/year

Home Energy Tax Credit in South Dakota

Avg savings: $1,800/year

Residential Solar Tax Credit in South Dakota

Avg savings: $7,500/year