Idaho Child Support Resources

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Idaho sets child support with a written guideline, and the official worksheet is how the math gets shown to the judge. Both parents' income normally goes into the calculation, along with things like health insurance for the children and child care costs.

The official guideline materials for Idaho are linked below, together with the verified support documents and the financial paperwork the court usually asks both sides to file. Our own calculator can give you a working estimate before you fill in the official worksheet.

Official Idaho child support resources

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Idaho child support guideline resources (isc.idaho.gov): Official Idaho child support guideline materials, worksheets, or calculators. https://isc.idaho.gov/irflp/child-support-guidelines

Idaho financial affidavit and disclosure forms (isc.idaho.gov): The official source for the financial disclosure paperwork most Idaho family cases ask both sides to complete. https://isc.idaho.gov/ifr/forms

Idaho family law forms (official index) (Idaho judicial branch): The official statewide collection of Idaho family law forms. When a direct document link stops working, this index is where the current version lives. https://courtselfhelp.idaho.gov/Forms

Idaho court self-help resources (Idaho courts self-help): Official self-help information for people handling their own Idaho family case, including instructions and plain-language guides. https://courtselfhelp.idaho.gov

iCourt File & Serve (Tyler Technologies): E-filing works statewide in all 44 counties. It is required for lawyers and optional for people representing themselves, including in divorce and custody cases. https://idaho.tylertech.cloud/OfsEfsp/

Verified official Idaho support documents

These official documents are the worksheets and orders Idaho uses to set and record child support.

Affidavit Verifying Income (CAO FL 1-11), form CAO FL 1-11 (Child Support), official document: https://courtselfhelp.idaho.gov/docs/forms/CAO_FL_1-11.pdf

Standard Custody Child Support Worksheet (CAO FL 1-13), form CAO FL 1-13 (Child Support), official document: https://courtselfhelp.idaho.gov/docs/forms/CAO_FL_1-13.pdf

Official link data for Idaho was last verified June 2026. Report anything outdated through our contact page and we will re-check the official source.

Frequently asked questions

How is child support calculated in Idaho?

Through the state's written guideline, applied on the official worksheet. The guideline uses income and a defined list of add-ons rather than a judge's rough guess, so filling the worksheet in honestly is the single most useful thing you can do. Open the official Idaho guideline materials above for the exact method.

Can the court order a different amount than the guideline?

A judge can depart from the guideline in some situations, but the order normally has to explain why. Start from the guideline number and be ready to say plainly what makes your case different.

How much does it cost to file a family case in Idaho?

Divorce filing fee: ~$207. If you cannot afford the fee, ask the clerk about a fee waiver or indigency application; every state has a process for requesting one.