Divorce with children in South Dakota requires a $97 filing fee, a mandatory 60-day waiting period under S.D. Codified Laws § 25-4-34, and a parenting plan that satisfies the best-interests standard of S.D. Codified Laws § 25-5-7.1. South Dakota uses the income-shares model for child support, producing obligations starting at $254 per month for one child. Only the filing parent must be a state resident when the action begins, with no minimum duration required.
This guide explains every step of getting divorced with children in South Dakota, from residency and grounds to custody, parenting time, and child support. All statute citations are verified against the South Dakota Codified Laws as published by the South Dakota Legislature, current as of March 2026.
Key Facts: Divorce With Children in South Dakota
| Factor | South Dakota Rule | Statute |
|---|---|---|
| Filing Fee | $97 (approx., $95–$120 by county) | County fee schedule |
| Waiting Period | 60 days after service before finalization | § 25-4-34 |
| Residency Requirement | Plaintiff resident when action commenced; no minimum duration | § 25-4-30 |
| Grounds | 7 grounds, including irreconcilable differences (no-fault) | § 25-4-2 |
| Property Division Type | Equitable distribution (not community property) | § 25-4-44 |
| Custody Standard | Best interests of the child | § 25-5-7.1 |
| Child Support Model | Income shares (combined net income) | § 25-7-6.2 |
| Shared Parenting Threshold | 180+ overnights per year with each parent | § 25-4A-11 |
Filing fee figures are as of March 2026. Verify the exact amount with your local Clerk of Courts.
Residency Requirements for Divorce With Children in South Dakota
To file for divorce in South Dakota, the plaintiff must be a state resident at the moment the action is commenced, with no minimum duration required under S.D. Codified Laws § 25-4-30. This makes South Dakota one of the most accessible states for filing, because most states impose 90-day or six-month residency periods before a court accepts a petition. South Dakota imposes none.
The statute provides that the plaintiff must, when the action begins, be a resident of the state or be stationed in South Dakota as a member of the armed services. After filing, the plaintiff does not need to maintain that residence to obtain the decree. Venue is governed by S.D. Codified Laws § 25-4-30.1: you may file in the county where either spouse resides, subject to the defendant's right to move the trial to the county of their residence. For divorce with children South Dakota cases, the residency rule applies identically whether or not minor children are involved, though custody jurisdiction is governed separately by the Uniform Child Custody Jurisdiction and Enforcement Act.
Grounds for Divorce in South Dakota
South Dakota recognizes seven grounds for divorce under S.D. Codified Laws § 25-4-2, including the no-fault ground of irreconcilable differences, which most divorcing parents use. The seven statutory grounds are: adultery, extreme cruelty, willful desertion, willful neglect, habitual intemperance, conviction of a felony, and irreconcilable differences. The no-fault option means you do not have to prove wrongdoing to dissolve the marriage.
When filing on irreconcilable differences, both spouses must generally consent to the use of that ground. If your spouse contests the no-fault ground, you may need to plead one of the six fault-based grounds and prove it with evidence. For divorce with children, the choice of grounds rarely affects custody directly, because S.D. Codified Laws § 25-5-7.1 ties custody to the child's best interests rather than to marital fault. However, conduct such as domestic abuse can trigger a rebuttable presumption against awarding custody to the offending parent, which means the ground and the underlying facts may still matter to the parenting outcome.
Filing Fees and Court Costs for Divorce With Children
The filing fee for a divorce in South Dakota is approximately $97, ranging from $95 to $120 depending on the county, as of March 2026. The standard fee breaks down into a $50 base court fee, a $40 automation surcharge, and a $7 law library fee. This fee applies whether or not your divorce involves children, though cases with children may incur additional costs for custody evaluations or mediation.
If you cannot afford the filing fee, South Dakota permits a fee waiver for indigent filers. Complete Form UJS-022 (Motion, Affidavit, and Order to Waive Filing Fee and Service of Process Fee) together with Form UJS-023 (Financial Statement). If the court grants the motion, both the filing fee and service-of-process costs are waived. Beyond the filing fee, parents should budget for service of process (typically $25–$50 by sheriff or process server), and potentially for a custody evaluation or home study, which a court may order under its discretion when joint physical custody is contested. As of March 2026, verify all fee amounts with your local clerk, because counties set service and copy charges independently of the base filing fee.
Child Custody Standards in South Dakota
South Dakota courts decide custody using the best-interests-of-the-child standard under S.D. Codified Laws § 25-5-7.1, evaluating two distinct components: legal custody (decision-making authority over education, healthcare, and religion) and physical custody (where the child lives). The statute permits a court to award joint legal custody and order joint physical custody in proportions that serve the child's best interests, even over one parent's objection.
Unlike many states, South Dakota does not codify an exhaustive checklist of best-interests factors. Instead, under S.D. Codified Laws § 25-4-45 and decades of case law, judges weigh each parent's mental and physical health, capacity to meet the child's physical and emotional needs, the child's adjustment to home and school, and the willingness of each parent to support the child's relationship with the other parent (the "friendly parent" factor). A child's preference may be considered if the child shows sufficient age and maturity to express an intelligent preference, with no statutory minimum age. When domestic abuse is established, a rebuttable presumption arises that awarding custody to the abusive parent is not in the child's best interests. Custody in divorce is therefore fact-intensive, and judges may order home studies or custody evaluations before ruling on contested joint physical custody.
Parenting Plans and Parenting Time Guidelines
South Dakota applies statewide Parenting Time Guidelines (Form UJS-302) that become an enforceable court order under S.D. Codified Laws § 25-4A-9 once one party serves divorce or custody papers, unless the parents submit their own approved parenting plan. The guidelines were most recently revised in October 2025, and they function as the default schedule whenever co-parents cannot agree.
Parents are encouraged to create their own parenting plan rather than rely on the default. A valid parenting plan must be in writing, signed by both parents, and approved by the judge; it should address legal custody, parenting time, holidays, transportation, and dispute resolution. If a parent disagrees with using the guidelines as the initial schedule, that parent must file a written objection with the clerk using Form 372 under S.D. Codified Laws § 25-4A-11. When parents reach a contested impasse, the judge sets whatever parenting plan best meets the children's needs. A strong co-parenting arrangement reduces conflict and litigation costs, and South Dakota's guidelines explicitly favor meaningful contact with both parents. For families pursuing equal time, the law recognizes "shared parenting," defined below, which carries distinct custody and child-support consequences.
Shared Parenting and the 180-Night Threshold
Shared parenting in South Dakota is a detailed plan under which children reside no fewer than 180 nights per calendar year in each parent's home, with parents sharing parenting duties and expenses in proportion to their incomes, per S.D. Codified Laws § 25-4A-11. The standard Parenting Time Guidelines (Form UJS-302) do not address shared parenting; it requires a separate, customized written plan.
When a parent requests joint physical custody, S.D. Codified Laws § 25-4A-24 requires the court to consider additional factors, including whether each parent is a suitable physical custodian, whether a parent has alienated the child from the other parent, and whether the child's psychological needs will suffer from lack of active contact with both parents. The 180-night threshold matters financially because it triggers the shared-parenting child support worksheet, which increases the basic combined obligation by 50 percent (multiplying by 1.5) before allocating costs by income share and overnight percentage. Co-parenting at this level demands cooperation, geographic proximity, and consistent routines, but South Dakota's framework increasingly supports significant time in both parents' homes consistent with the 2025 guideline revisions.
Child Support When You Have Children
South Dakota calculates child support using the income-shares model under S.D. Codified Laws § 25-7-6.2, combining both parents' monthly net incomes and applying a statutory schedule, with base obligations for one child ranging from $254 per month at $1,200 combined net income to $1,822 per month at $20,000 combined net income. South Dakota adopted this model on July 1, 2018, replacing a flat-percentage approach.
The calculation follows seven steps: determine each parent's gross income; subtract allowable deductions; combine the net incomes; look up the basic obligation in the schedule; calculate each parent's percentage share; assign each parent's dollar share; and allocate add-on expenses proportionally. Under S.D. Codified Laws § 25-7-6.3, allowable deductions include federal income tax, Social Security (FICA), Medicare, mandatory retirement up to 10 percent of gross income, the child's health-insurance premium, and existing support orders for other children. The schedule covers combined incomes up to $30,000 per month; above that, S.D. Codified Laws § 25-7-6.9 gives courts discretion based on the child's needs and standard of living. A self-support reserve of $871 per month protects low-income obligors.
Child Support Obligation Comparison
| Combined Monthly Net Income | Base Support (1 Child) | Notes |
|---|---|---|
| $1,200 | $254/month | Near self-support reserve floor |
| $5,000 | ~$900/month (approx.) | Verify with official calculator |
| $10,000 | ~$1,300/month (approx.) | Verify with official calculator |
| $20,000 | $1,822/month | Upper published schedule point for one child |
| Over $30,000 | Court discretion | Per § 25-7-6.9 |
Approximate mid-range figures vary by exact income and number of children; confirm with the South Dakota Department of Social Services obligation calculator. The self-support reserve is $871 per month as of 2026.
The Divorce Timeline for Parents
The minimum timeline for a South Dakota divorce is 60 days, reflecting the mandatory waiting period under S.D. Codified Laws § 25-4-34 before a court may finalize the decree after the defendant is served. An uncontested divorce with children and a fully agreed parenting plan often concludes shortly after this 60-day window, while contested custody disputes can extend the process to many months.
The process begins when the plaintiff files a summons and complaint and pays the $97 filing fee. After service of process, the 60-day clock starts. Parents with minor children must address custody, parenting time, and child support before the judge will sign the decree. If the parents agree, they submit a written parenting plan and a child-support worksheet for approval. If they disagree, the court may order mediation or a custody evaluation, and the standard Parenting Time Guidelines apply as a default until a final order issues. Because South Dakota imposes no residency duration requirement, the only fixed delay is the 60-day waiting period; the remainder of the timeline depends on the level of conflict over custody in divorce and the court's calendar.
Property Division and Its Effect on Children
South Dakota is an equitable-distribution state under S.D. Codified Laws § 25-4-44, meaning the court divides marital property fairly but not necessarily equally, considering factors such as each spouse's contribution, the duration of the marriage, and the parties' financial circumstances. South Dakota is not a community-property state, so a 50/50 split is not guaranteed.
For parents, property division intersects with children's welfare most directly through the marital home. Courts may award the family residence, or its temporary use, to the parent with primary physical custody to provide stability for the children, though this is discretionary and weighed against the overall equitable division. Retirement accounts, debts, and other marital assets are also allocated equitably. While property division and custody are legally separate determinations, judges recognize that financial outcomes affect a child's standard of living, which in turn informs both the equitable division and the standard-of-living analysis used when combined parental income exceeds the child-support schedule under S.D. Codified Laws § 25-7-6.9.