North Dakota uses an income shares model. Approximate percentages: 1 child ~14%, 2 ~22%, 3 ~27%, 4 ~31%, 5 ~34%.
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North Dakota calculates child support using the Income shares using combined NET monthly income established under NDCC §14-09-09.7, Admin Code 75-02-04.1. This is a statutory formula that leaves limited room for judicial discretion on the base calculation amount, ensuring consistency and predictability for families across the state.
Total obligation from schedule x obligor income share.
The calculation begins with determining each parent's net disposable income, which includes virtually all sources of income minus taxes, mandatory payroll deductions, and certain hardship deductions. The court then applies the statutory formula using the time each parent has primary physical responsibility for the children and the applicable income allocation brackets.
Beyond the base formula amount, North Dakotarequires additional contributions for mandatory add-on expenses. These typically include childcare costs necessary for the custodial parent's employment or education, uninsured healthcare expenses for the children, and in some cases, educational and travel costs. These add-ons are split between parents in proportion to their respective incomes.
Primary statute: NDCC §14-09-09.7, Admin Code 75-02-04.1
Income shares on combined NET monthly income.
Very low state income tax (1.1-2.5%).
Above-schedule: court discretion.
Very low state income tax.
Answer a few questions about your income, custody, and children. Get your personalized estimate.
Residency Requirement
6-month residency requirement
Mandatory Waiting Period
No waiting period after filing
No-Fault Ground
Irreconcilable differences
State Income Tax
Progressive 1.1-2.5%.
North Dakota uses the Income shares using combined NET monthly income under NDCC §14-09-09.7, Admin Code 75-02-04.1. North Dakota uses an income shares model. Approximate percentages: 1 child ~14%, 2 ~22%, 3 ~27%, 4 ~31%, 5 ~34%.
Key factors include both parents' income, the number of children, custodial time share, mandatory add-on expenses (childcare, health insurance), and any applicable deductions. Income shares on combined NET monthly income.
Yes. Either parent can request a modification if there has been a material change in circumstances, such as a significant change in income, custody arrangements, or the needs of the child. The court will recalculate support using the same statutory formula.
Total obligation from schedule x obligor income share.
Get a personalized child support calculation based on North Dakota's actual statutory formula.
Start My Free North DakotaEstimate →This tool provides educational estimates based on North Dakota family law and does not constitute legal advice. Child support calculations are approximations of the statutory formula and may differ from court-ordered amounts. Consult a licensed North Dakota family law attorney before making decisions. Primary statute: NDCC §14-09-09.7, Admin Code 75-02-04.1.