Whether you are seeking child support or defending against an unfair
calculation, our Mankato attorneys ensure your children’s financial needs are
met.
Child support is a critical component of any divorce or custody case involving children. Minnesota uses an income shares model to calculate child support, taking into account both parents’ incomes, the number of children, parenting time and other factors. Understanding how child support is calculated and what factors can affect the amount is essential to protecting your interests and your children’s well-being.
At Birkholz Law, our family law attorneys help clients on both sides of child support disputes. Whether you are seeking to establish child support, modify an existing order or enforce a support obligation, we provide knowledgeable representation that ensures fair outcomes.
Child support in Minnesota covers basic needs including food, housing and clothing, as well as medical and dental insurance, childcare costs and educational expenses. Our attorneys ensure that all relevant factors are considered in the calculation and that the resulting support order is fair and adequate.
Minnesota uses an “income shares” model for calculating child support, codified in Minn. Stat. § 518A.34. This model is based on the principle that children should receive the same proportion of parental income they would have received if the parents lived together. The calculation begins with determining each parent’s gross income from all sources, including wages, salaries, commissions, self-employment income, bonuses, overtime, pensions, Social Security benefits, workers’ compensation, unemployment benefits and income from trusts or investments.
From gross income, the guidelines allow certain deductions to arrive at each parent’s net income, including federal and state income taxes, Social Security and Medicare taxes, union dues, and the cost of health insurance for the parent only. The parents’ combined net income is then applied to the child support guidelines table (Minn. Stat. § 518A.35), which establishes the basic support obligation based on the combined income and the number of children. Each parent’s share of the obligation is proportional to their share of the combined income.
The guidelines also account for parenting time. When the non-custodial parent exercises at least 10% of parenting time (approximately 36.5 overnights per year), the support obligation is adjusted downward using the parenting expense adjustment formula. This adjustment recognizes that the non-custodial parent incurs direct costs for the child during their parenting time. The adjustment increases as parenting time increases, with a significant reduction occurring at 45.1% or more parenting time. Our attorneys ensure that parenting time is accurately calculated and that the appropriate adjustment is applied.
Beyond basic support, Minnesota law addresses several additional categories of child-related expenses. Medical support (Minn. Stat. § 518A.41) requires the court to order one or both parents to provide health insurance coverage for the children if it is available at a reasonable cost. The cost of health insurance premiums attributable to the children is allocated between the parents in proportion to their incomes. Unreimbursed and uninsured medical and dental expenses are also divided proportionally.
Childcare support (Minn. Stat. § 518A.40) covers the cost of work-related or education-related childcare. When a parent incurs childcare expenses to allow them to work or attend school, the net cost (after any childcare tax credits) is divided between the parents in proportion to their incomes. This can be a significant expense, particularly for families with young children.
In some cases, the court may also consider educational expenses, extracurricular activity costs and other child-related expenses. While these are not automatically included in the guidelines calculation, the court has discretion to allocate them between the parents when appropriate. Our attorneys ensure that all relevant expenses are identified and properly allocated.
While the guidelines produce a presumptive support amount, the court may deviate from the guidelines if applying them would be unjust or inappropriate under the circumstances (Minn. Stat. § 518A.43). Factors that may justify a deviation include: the special needs of the child (medical, educational or developmental); the standard of living the child would have enjoyed if the parents had stayed together; the financial resources and needs of each parent; the child’s financial resources; and the obligor’s total financial obligations.
When a parent is voluntarily unemployed or underemployed, the court may impute income to that parent based on their earning capacity (Minn. Stat. § 518A.32). This prevents a parent from reducing their support obligation by deliberately earning less than they are capable of earning. The court considers the parent’s education, work history, skills, availability of employment opportunities, and the age and needs of the children when determining imputed income.
Self-employed parents present unique challenges in child support calculations because they may have the ability to manipulate their reported income through business deductions, depreciation and other accounting methods. Our attorneys work with forensic accountants when necessary to determine the true income of a self-employed parent, examining tax returns, business records, bank statements, and lifestyle indicators to ensure an accurate income determination.
Child support orders can be modified when there has been a substantial change in circumstances that makes the existing order unreasonable and unfair (Minn. Stat. § 518A.39). Common grounds for modification include: a significant increase or decrease in either parent’s income; a change in the parenting time schedule; a change in the number of children the obligor is supporting; a change in the cost of health insurance or childcare; and the emancipation of one of the children covered by the order.
Minnesota law also provides for an automatic review and adjustment of child support orders. Either parent can request a review by the county child support agency, which will recalculate the support obligation under the current guidelines. If the recalculated amount differs from the current order by at least 20% and $75 per month, the agency can seek a modification. Our attorneys help clients navigate both court-based and administrative modification processes.
child support obligations continue at the existing level until a court order modifying them is entered. Even if your income has decreased significantly, you cannot simply stop paying or pay less than the ordered amount without a court modification. Doing so will result in arrearages that accrue interest and can lead to serious enforcement consequences. If your circumstances have changed, contact our attorneys promptly to begin the modification process.
When a parent fails to pay court-ordered child support, Minnesota provides powerful enforcement tools. Income withholding (wage garnishment) is the primary enforcement mechanism and is automatic in most cases — the employer deducts the support amount directly from the obligor’s paycheck and sends it to Minnesota Child Support Payment Center. If the obligor is not subject to income withholding, other enforcement methods include: interception of federal and state tax refunds; suspension of driver’s licenses, professional licenses and recreational licenses; passport denial for arrearages exceeding $2,500; contempt of court proceedings (which can result in jail time); and liens on real and personal property.
Minnesota also participates in the Uniform Interstate Family Support Act (UIFSA), which allows enforcement of child support orders across state lines. If the obligor parent moves to another state, the support order can be registered and enforced in the new state. Our attorneys aggressively pursue enforcement on behalf of parents who are owed child support, using every available legal tool to ensure compliance.
Sarah and Tom, living in Mankato, recently separated after ten years of marriage and are struggling to figure out child support for their two young children. Tom works in construction with a variable income, while Sarah works part-time at a local clinic. They incorrectly believe they can just agree on a number that seems fair without any formal process. A friend told them child support is just a simple percentage of the paying parent”s income, so they are not considering childcare costs or the children”s health insurance. Their informal arrangement is already causing tension, with payments being inconsistent and arguments erupting over every extra expense.
Their biggest mistake is failing to understand Minnesota”s income shares model, which is based on the idea that children should receive the same level of financial support they would have if their parents lived together. They are unaware that the court requires a formal calculation based on both parents” gross incomes, parenting time and the costs of medical and daycare expenses as outlined in Minn. Stat. § 518A.34. Without a court order, their agreement is unenforceable, leaving Sarah and the children in a precarious financial position. This lack of a formal order also means there is no clear plan for handling future changes, like a job loss or a change in the children”s needs.
An experienced family law attorney would first explain that Minnesota law requires a structured approach to child support. The attorney would gather detailed financial information from both Sarah and Tom, including pay stubs, tax returns and proof of childcare expenses. Using the state”s child support guidelines calculator, the attorney would determine a fair and legally sound support amount. They would then formalize this through a court order, ensuring payments are predictable and enforceable. The attorney would also help them establish clear terms for medical support and how to handle future modifications, protecting the children”s best interests and providing both parents with stability.
Disputes over child support create significant financial strain that can impact a family for years. For the parent receiving support, inconsistent or insufficient payments can make it difficult to cover basic necessities like housing, food and clothing for the children. This financial instability often forces a parent to take on extra work, reduce their standard of living or even seek public assistance. For the paying parent, a support obligation that is set too high can lead to overwhelming debt, wage garnishment and a diminished ability to meet their own living expenses. These financial pressures are a constant source of stress and can poison the relationship between the parents.
The emotional and psychological toll on a family is immense. The constant conflict and uncertainty create a high-stress environment that is particularly damaging to children. They may feel caught in the middle, internalize the conflict or suffer from anxiety and insecurity. The parents” relationship often deteriorates completely, making effective co-parenting impossible. This animosity can spill over into other areas of their lives, affecting their performance at work and their relationships with friends and other family members. The emotional well-being of the entire family unit is compromised when child support becomes a battleground.
Beyond the immediate family, unresolved child support issues have broader consequences. A parent”s ability to secure new housing can be hindered if their income is unreliable or a large portion is dedicated to a high support payment. Employment can also be affected, as ongoing legal battles may require time off work for court appearances and meetings with attorneys. In severe cases, failure to pay child support can lead to driver”s license suspension and even jail time, as specified under Minnesota”s enforcement remedies. These consequences create a cycle of instability that is difficult to break, underscoring the importance of resolving support matters fairly and formally from the start.
“Child support is just a fixed percentage of the paying parent”s income.” This is one of the most common myths. The reality is that Minnesota uses an income shares model, which considers the gross monthly income of both parents to determine the basic support obligation. The calculation is more complex than a simple percentage and involves combining both incomes to figure out what the child would have received if the parents were not separated. The court then allocates the obligation based on each parent”s proportionate share of the combined income, also factoring in parenting time expenses under Minn. Stat. § 518A.36.
“The parent with less parenting time always pays child support.” While the parent with less parenting time often is the one who pays support, this is not an absolute rule. The final determination depends on the income of both parents and the amount of parenting time each has. It is possible for a parent with 50/50 custody to still have a child support obligation if their income is significantly higher than the other parent”s. The court”s primary goal is to ensure the child”s needs are met, not to punish or reward a parent based on the custody schedule.
“We can agree to zero child support and the court will approve it.” Parents cannot simply waive child support. Under Minnesota law, every child has a right to be supported by both parents, and the court has the final say on any child support agreement. While parents can agree to deviate from the state guidelines, they must provide a valid reason that serves the child”s best interest, as detailed in Minn. Stat. § 518A.43. The court will scrutinize any agreement for zero support to ensure the child”s needs are still being adequately met through other means.
“Child support automatically ends when my child turns 18.” This is not always the case. While the obligation for basic support typically terminates at 18, it can extend until the child is 20 if they are still attending high school. Furthermore, if there are past-due payments, known as arrears, the paying parent is still legally required to pay them off in full, even after the child is an adult. The obligation does not simply disappear, and the county can continue to use enforcement measures to collect any unpaid support.
As a parent in a Minnesota child support case, you have the fundamental right to have the support amount calculated based on a fair and transparent process. This includes the right to obtain financial information from the other parent. Under Minn. Stat. § 518A.28, both parties are required to provide documentation of their income, such as pay stubs, tax returns and other financial records. This ensures that the calculation is based on accurate data and that one parent is not unfairly burdened. You have the right to challenge any financial disclosures you believe to be inaccurate or incomplete.
You have the right to request a modification of your child support order if there is a substantial change in circumstances. This is a critical protection that ensures the support order remains fair over time. According to Minn. Stat. § 518A.39, a substantial change could include a significant increase or decrease in either parent”s income, a change in the child”s needs, or a change in the cost of living. This right prevents parents from being locked into an outdated order that no longer reflects their financial reality or the needs of their children. You must formally file a motion with the court to exercise this right.
Furthermore, you have specific rights related to the enforcement of a child support order. If you are the recipient of support and payments are not being made, you have the right to seek enforcement through the county”s child support office or the court. This can include actions like wage withholding, driver”s license suspension and interception of tax refunds. Conversely, if you are the paying parent, you have the right to due process in any enforcement action, meaning you must be properly notified and given an opportunity to respond before any penalties are imposed. These rights ensure that the system operates fairly for both parties involved.
While some child support cases end up in a contested court hearing, the vast majority are resolved through negotiation and settlement. A common and effective strategy is for the parties” attorneys to engage in informal settlement discussions or mediation. In this process, both sides exchange financial information and work collaboratively to reach an agreement that complies with Minnesota”s child support guidelines. This approach is often faster, less expensive and less adversarial than litigation. A skilled attorney will focus on finding common ground and crafting a solution that both parties can accept, which is then submitted to the court for approval.
Another key strategy involves a careful review of both parents” income and expenses. A favorable outcome often depends on accurately determining each parent”s gross income, as defined by Minn. Stat. § 518A.29. This can be complex when one parent is self-employed, has a fluctuating income or is suspected of hiding assets. An effective legal approach involves using discovery tools like interrogatories and requests for production of documents to uncover all sources of income. In some cases, it may even be necessary to hire a forensic accountant to provide an expert opinion on a parent”s true earning capacity, ensuring the final support calculation is fair.
When a standard guideline calculation does not produce a fair result, a successful strategy is to argue for a deviation from the guidelines. Minnesota law allows for such deviations under Minn. Stat. § 518A.43, but it requires a strong justification. An attorney might argue for a downward deviation for a paying parent who has extraordinary medical expenses or an upward deviation if a child has special needs that require additional financial support. The key is to present a compelling, fact-based argument to the judge, demonstrating why a deviation is in the child”s best interest. This requires a thorough understanding of the law and the ability to present evidence effectively in court.
Child support generally continues until the child turns 18, or until age 20 if the child is still attending secondary school full-time. The court may also order support for a child who is unable to support themselves due to a physical or mental disability.
No. Unlike spousal maintenance, child support cannot be waived by the parents. The right to child support belongs to the child, not the parent, and the court has an independent obligation to ensure that children are adequately supported. Parents can agree on an amount, but the court must approve it as consistent with the guidelines.
If you lose your job or experience a significant reduction in income, you should immediately file a motion to modify your child support obligation. Until the court enters a modification order, you remain obligated to pay the full amount. Arrearages will accrue if you do not pay, and they cannot be retroactively forgiven.
Generally, yes. Overtime pay is included in gross income for child support purposes. However, if overtime is truly voluntary and not a regular part of the parent’s employment, the court may exercise discretion in how it is treated. Our attorneys can advise you on how overtime and irregular income are handled in your specific situation.
When parents share roughly equal parenting time (each parent has at least 45.1% of overnights), the child support calculation uses a different formula that accounts for the fact that both parents are incurring direct costs for the child. The higher-income parent typically still pays some support to the lower-income parent, but the amount is reduced compared to a sole physical custody arrangement.
Gross income includes nearly all pre-tax income, not just wages. According to Minn. Stat. § 518A.29, this can include salaries, commissions, self-employment income, rental income, and even unemployment or workers” compensation benefits. It is a broad definition, and the court can also consider potential income if it finds a parent is voluntarily unemployed or underemployed.
Parenting time can have a significant impact. Minnesota law provides for a parenting expense adjustment under Minn. Stat. § 518A.36, which reduces the basic support obligation for the parent who has the children for a substantial amount of time. The adjustment is calculated on a sliding scale, so the more parenting time a parent has, the larger the potential reduction in their support payment. This acknowledges the costs associated with caring for the children during that time.
Both parents are generally required to contribute to the cost of medical and dental insurance for the child. The court will order one or both parents to provide coverage if it is available at a reasonable cost through an employer or other group plan. The cost of the insurance premium is then allocated between the parents based on their proportionate share of their combined income, as outlined in Minn. Stat. § 518A.40.
If a parent experiences a substantial and ongoing loss of income, they have the right to ask the court to modify the child support order. It is critical to file a motion for modification immediately, as the court can only change the support amount from the date the motion is served on the other party. The obligation does not change automatically, so ignoring the order can lead to the accumulation of significant arrears.
Yes, you can. Child support orders can be established and enforced across state lines under the Uniform Interstate Family Support Act (UIFSA). The process can be more complex, but state and county child support agencies work together to ensure that parents meet their obligations regardless of where they live. It is important to work with an attorney or the local child support office to navigate the interstate process.
No, child support payments are not considered taxable income for the recipient, and the paying parent cannot deduct child support payments on their tax return. This is an important financial consideration for both parents when budgeting and planning. The tax implications are clear and consistent under federal and state law, so there is no ambiguity on this point.
Contact Birkholz Law today for a consultation with a child support
attorney in Mankato.
Award-winning law firm serving Southern Minnesota for over 50 years. Dedicated to protecting your freedom, rights and family.
121 St. Andrews Court Mankato, MN 56001
209 Armstrong Blvd South St. James, MN 56081
Albert Lea · Austin · Blue Earth · Faribault · Fairmont · Jackson · Lake Crystal · Luverne · Mankato · Marshall · New Ulm · North Mankato · Northfield · Owatonna · Pipestone · Redwood Falls · St. James · St. Peter · Waseca · Windom · Worthington
Copyright 2026 Birkholz & Associates | Privacy Policy | Minneapolis Web Design
