Idaho Judicial Jurisdiction (ID)

Idaho Child Support Calculator

Estimate child support under Idaho Child Support Guidelines (Idaho Rules of Civil Procedure Rule 126). Calculate baseline support, parenting time overnights, health insurance credits, and work-related childcare costs.

Legal Model: Income Shares Model
Updated for 2026 Guidelines

1. Enter Case Information

ID Rules
$ /mo
Gross or net monthly earnings before deductions
$ /mo
Included in combined guideline income
nights/yr
365 nights per year total (182.5 = 50/50 equal custody)
Common Schedule Presets:
$ /mo
Incremental monthly premium to cover the children
$ /mo
Monthly out-of-pocket work-related daycare costs
Children from prior or subsequent relationships not part of this order

Estimated Child Support

ID Estimate
Total Estimated Obligation
$0
per month
Important Notice: This figure is a computational estimate based on Idaho Child Support Guidelines (Idaho Rules of Civil Procedure Rule 126). Final child support orders may deviate based on judicial discretion, extraordinary expenses, or tax adjustments.

Understanding Idaho Child Support Guidelines

Idaho operates an Income Shares model under I.R.C.P. Rule 126. Support is calculated from combined parental guideline gross income, adjusting for health insurance and necessary childcare.

Shared Custody & Overnights in Idaho

Idaho provides a Shared Physical Custody worksheet when each parent has the child at least 25% of overnights (92 overnights per year), applying an income and time proportional offset.

Calculate Your Exact Overnights →

Official Court Worksheets & Forms

Family court filings in Idaho require completing: Idaho Child Support Guidelines Worksheet (Standard and Shared/Split Custody). Review official forms before filing.

View State Worksheets Directory →

Worked Calculation Example: Standard Idaho Scenario

Here is a realistic line-by-line computation for two parents in Idaho raising 2 children:

Guideline Worksheet Line Item Parent A (Paying) Parent B (Receiving) Combined / Order Total
Monthly Guideline Income $4500 $3000 $7500
Parental Income Proportion 60% 40% 100%
Basic Child Support Schedule Obligation - - $1250 /mo
Work-Related Childcare Cost - - +$350 /mo
Health & Dental Insurance Premium - - +$200 /mo
Total Combined Child Financial Needs - - $1800 /mo
Final Estimated Monthly Support Order Paid by Parent A to Parent B $1080 /month

Frequently Asked Questions in Idaho

Key legal questions regarding child support establishment, modifications, and enforcement in Idaho.

When does shared custody apply in Idaho? +

Shared custody applies in Idaho when a parent has the child for at least 25% of the year (92 overnights or more).

How does Idaho treat tax dependency exemptions? +

Under Idaho Rule 126, the court generally allocates tax exemptions pro rata based on each parent's percentage share of combined guideline income.

What is the minimum child support payment in Idaho? +

Idaho guidelines establish a presumptive minimum order of $50 per month even for very low-income parents.

Next Useful Steps for Your Case

Take the next step in preparing your family financial documentation:

Convert Irregular Income

Standardize hourly wages, seasonal overtime, or commissions into monthly gross figures.

Launch Income Tool →

Explore 50/50 Custody

See how equal time sharing and reciprocal guidelines impact final transfer payments.

50/50 Custody Tool →

Download Official Worksheets

Find the exact PDF court forms and financial affidavits required by your court clerk.

Court Worksheets Directory →