South Dakota Child Support Calculator

Calculate child support using South Dakota's income shares guidelines
2025 Guidelines
Official SD Formula
Income Shares Model

How South Dakota Child Support Works

South Dakota Child Support Guidelines

South Dakota uses the Income Shares Model based on both parents' combined gross incomes.
Support = Basic Obligation × (Obligor Income ÷ Combined Income)

SD-Specific Rules

  • Income shares model
  • Extended visitation credit
  • Guidelines cover up to $15,000/month
  • Regular guideline updates
  • Self-support reserve
  • Split custody provisions

South Dakota Child Support Guidelines Table

Basic Child Support Obligation (Monthly)

Combined Income1 Child2 Children3 Children4 Children5 Children
$1,500$267$398$476$534$582
$3,000$462$689$823$924$1,007
$5,000$685$1,022$1,221$1,371$1,495
$7,500$916$1,366$1,632$1,832$1,997
$10,000$1,120$1,670$1,995$2,240$2,441
$15,000$1,458$2,174$2,598$2,916$3,179

Factors That Affect South Dakota Child Support

Gross Monthly Income
South Dakota uses both parents' gross monthly incomes to calculate basic support.
Extended Visitation Credit
Adjustments available when the non-custodial parent has more than 10% parenting time.
Healthcare Costs
Health insurance premiums and medical expenses are allocated between parents.
Childcare Expenses
Work-related childcare costs are added to basic support.
Split Custody
When each parent has custody of different children, offset calculations apply.
Deviation Factors
Courts may deviate from guidelines for special circumstances.

Important Legal Disclaimer

This calculator provides estimates only and is not legal advice.

Calculate Your South Dakota Child Support

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