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Iowa Child Support Calculator

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To use the child support calculator, select or enter the appropriate information next to each statement.

When you have completed the form, click on the calculate button to get an estimate of the amount of child support that the non-custodial parent will have to pay to the custodial parent in Iowa.

Disclaimer: Please remember that these calculators are for informational and educational purposes only. The amount of child support a court will order for any particular case may be different from the amount estimated by the calculator.

For the most part, these calculators assume that all of the children at issue will primarily live with one parent. They are not intended to estimate child support for joint physical custody or split custody arrangements.

These calculators do not take into account any possible adjustments for children who are not subject to the custody order, but who are living with one of the parents. Finally, these calculators may be based on older or outdated state guidelines or calculations and may not take into consideration state or federal tax implications on income.

These and many other factors can affect a child support order entered by a court.

Iowa Child Support

In Iowa, child support is determined based on both parents’ net income as well as the number of children involved. Net income refers to your “take home pay” – or how much money you make after taxes, health insurance, etc. are subtracted. While there are many things that can be deducted from a parent’s income to come up with their net income figure for child support, there are also many factors that cannot be deducted. These include:

  • Car payments
  • Housing costs
  • Credit card payments
  • Charitable deductions
  • Voluntary pension plans 
  • Savings 
  • Public assistance payments

Take Advantage of these Services
The Child Support Recovery Unit of the Iowa Department of Human Services handles all matters related to child support, including locating parents, establishing paternity, establishing child support orders, modifying child support orders, enforcing child support orders and more. This unit is dedicated to ensure that children of divorce receive the financial support they are entitled to.

When child support payments are not being made, the Child Support Recovery Unit has a number of methods they can utilize to help enforce the support order. One way in which they help make sure that child support payments are made – on time – by the responsible party, is to withhold the amount from the parent’s check every month. This is called “income withholding.”

Estimate your Support Payment
Whether you live in Waterloo, Iowa City, Cedar Rapids, Davenport, Sioux City, Des Moines, or elsewhere in the state, rely on these trustworthy child support calculators for an estimate of how much your child support payments may be. This figure may result from considering many factors, including:

  • Number of children who are the subject of the pending action
  • Number of overnights the children spend with the non-custodial parent
  • Monthly net income of the non-custodial parent
  • Cost of daycare paid by the non-custodial parent 
  • Amount of child support paid for the children of a prior marriage by the non-custodial parent
  • Amount of alimony paid for children of a prior marriage by the non-custodial parent 

For more information about Iowa child support guidelines and information please visit:


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