Calculate Now →

Child Support in North Dakota

Free calculator, modification rules, arrears interest, and 50/50 custody guide for North Dakota — 2026.

📊
Child Support Calculator
Estimate payments using North Dakota's Income Shares
📝
Modification Checker
Does your income change qualify?
💰
Arrears Calculator
Past-due support with 6% interest
⚖️
50/50 Custody Guide
Does equal custody eliminate support?

North Dakota Child Support Facts — 2026

Formula modelIncome Shares
Income basisBoth parents' income
Support ends at age18
Modification threshold10% income change
Arrears interest rate6% per year
Official agencyNorth Dakota Child Support Agency ↗
North Dakota uses Income Shares based on combined net income.

Other States

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming