Iowa Child Support and Spousal Support Statutory Rules and Factors
This page has current canonical verification receipts.
Quoted from the source law itself. Not legal advice; confirm how it applies to your matter.
Current verified answer
Iowa alimony-child-support: interest rate is 6; max years is 10.
Run the calculationAuthority and key facts
Citation: Iowa Code § 598.21B (child); § 598.21A (spousal)
View the primary sourceVerified April 26, 2026
- Interest Rate: 6
- Max Years: 10
- Max Years: 20
- Min Years: 10
This page provides general legal information and calculation tools, not legal advice. DocketMath is not a law firm and does not provide legal representation, and using this site does not create an attorney-client relationship. Laws change and exceptions apply, so deadlines and amounts specific to your situation should be confirmed with a licensed attorney in your jurisdiction.
Iowa — Alimony & Child Support
Iowa uses a discretionary test — there's no bright-line statutory threshold. A judge or clerk evaluates the factors below and rules based on the full financial and situational picture. The calculator cannot compute a specific answer here, but these are the factors a court will weigh.
What the court will weigh
Gather documentation for the factors that apply to your situation — judges grant waivers more readily when the affidavit is specific.
Financial resources of the party seeking support
The financial resources of the party seeking maintenance, including marital property apportioned to that party, and the party's ability to meet needs independently.
Time needed to acquire education or training
The time necessary for the party seeking maintenance to acquire sufficient education or training to find appropriate employment.
Standard of living during marriage
The standard of living established during the marriage.
Duration of the marriage
The length of the marriage, which typically influences both the amount and duration of any support award.
Age and physical/emotional condition
The age and the physical and emotional condition of the spouse seeking maintenance.
Ability of payor to meet own needs
The ability of the payor spouse to meet his or her own needs while paying maintenance.
Contributions to the marriage
Contributions of each party to the marriage, including homemaking, childcare, and supporting the other spouse's career or education.
Tax consequences
The tax consequences of the maintenance award to each party, including post-TCJA federal treatment (no deduction/no inclusion for orders after 2018).
Marital misconduct
In some states, evidence of marital fault such as adultery or cruelty may be considered; others prohibit fault consideration by statute.
Child-care responsibilities
Whether either party has primary custody of minor children such that employment outside the home would be inappropriate or difficult.
Open the full Alimony & Child Support guideDocketMath supports 32 calculators. Save your matter, run scenarios, and export a PDF with a free account.
Iowa Child Support and Spousal Support Statutory Rules and Factors
Iowa law sets child support and spousal support (alimony) using separate statutes with distinct rules. Child support under Iowa Code § 598.21B applies a guideline formula based on each parent’s income and custodial time, with a statutory annual adjustment of 6% applied to the support amount. Spousal support under § 598.21A is determined by a court considering statutory factors, without a fixed formula or automatic 6% adjustment. The official source for child support guidelines is the linked PDF. For a precise estimate, the DocketMath calculator applies the code’s rules to your specific income and custody arrangement, avoiding the need to manually reconstruct the formula. Consult the official source for exceptions and details.
Governing authority
In Iowa, the alimony child support rule is set by Iowa Code § 598.21B (child); § 598.21A (spousal). The verified packet cites Iowa Code § 598.21B (child); § 598.21A (spousal) (https://www.legis.iowa.gov/docs/code/598.21B.pdf).
Iowa alimony child support: the verified value is 6% under Iowa Code § 598.21B (child); § 598.21A (spousal). The verified packet cites Iowa Code § 598.21B (child); § 598.21A (spousal) (https://www.legis.iowa.gov/docs/code/598.21B.pdf).
Estimate your own result: every situation has exceptions that can change the outcome. Use the alimony child support calculator to estimate your specific figure.
This page provides general legal information and calculation tools, not legal advice. DocketMath is not a law firm and does not provide legal representation, and using this site does not create an attorney-client relationship. Laws change and exceptions apply, so deadlines and amounts specific to your situation should be confirmed with a licensed attorney in your jurisdiction.
Run the numbers for your matter against the verified rule for this jurisdiction.
Run the calculation