Navigating the intricacies of child support in Pennsylvania can be complex, but understanding the basics can help ensure your child's well-being and your legal rights are protected. This guide will walk you through the key aspects of how child support works in PA, from calculation to modification.
Understanding Child Support in Pennsylvania
In Pennsylvania, child support is determined by the Income Shares Model, which considers the combined net income of both parents and the needs of the child. The goal is to allocate the child's expenses in proportion to each parent's income.
How is Income Calculated?
Gross income, including wages, salaries, bonuses, and self-employment income, is the starting point. From this, deductions are made for federal and state income taxes, Social Security, and Medicare. Other deductions may include health insurance premiums, mandatory union dues, and court-ordered payments for other children.

Calculating Child Support Obligations
Once net income is determined, the Pennsylvania Child Support Guidelines are applied. These guidelines use a formula that considers the number of children, each parent's share of the combined net income, and the child's percentage of the total net income. The resulting amount is the basic child support obligation.
Additional expenses, such as health insurance premiums, uninsured medical expenses, and child care costs, may also be factored into the final child support order. These expenses are typically shared between the parents in proportion to their income.
What if a Parent is Unemployed or Underemployed?
If a parent is voluntarily unemployed or underemployed, the court may impute income to that parent based on their earning potential. This ensures that the child support obligation is based on a realistic picture of the parent's ability to contribute financially.

Duration and Modification of Child Support
In Pennsylvania, child support is typically ordered until the child turns 18, or until they graduate from high school, whichever is later, but not beyond age 19. However, support may continue beyond this age if the child is still in high school and living with a parent.
Either parent can request a modification of the child support order if there has been a significant change in circumstances, such as a change in income, a change in the custody arrangement, or a change in the child's needs. The modification can be an increase or decrease in the support amount.
Enforcement of Child Support Orders
If a parent fails to pay the ordered child support, the Pennsylvania Child Support Enforcement Program can take enforcement actions, such as wage garnishment, intercepting tax refunds, or suspending driver's or professional licenses. In cases of willful nonpayment, criminal charges may be pursued.
Seek Legal Assistance
Navigating the child support system can be complex, and it's important to ensure your rights and the best interests of your child are protected. Consider consulting with a family law attorney who can provide guidance tailored to your specific situation.
- Pennsylvania Child Support Program: https://www.compass.state.pa.us/cwis/public/home
- Pennsylvania Child Support Guidelines: https://www.legis.state.pa.us/cfdocs/legis/LawBrowser/memoPickup.cfm?lst_id=262&lf=112&pnc=0&pt=1&sessYr=2019