By Jason Kohlmeyer, Family Law Attorney
No, in Minnesota, there is no magic age at which a child gets to choose which parent to live with. A child cannot legally decide custody until they turn 18, and even a mature 17-year-old does not get the final say. What the law does is let a judge consider the reasonable preference of a child who is old enough and mature enough to express a reliable opinion, then weigh that preference alongside the other 12 best interest factors that bears on the child’s best interests. So the honest answer to the question is this: a child’s wishes can matter, sometimes a great deal, but they never control the outcome on their own.
I have practiced family law in Minnesota for 26 years, much of it in high-conflict custody disputes, and the “what age can my child choose” question comes up in almost every case. Below, I walk through what the statute actually says, how courts in southern Minnesota gather a child’s views in practice, and why a teenager’s preference rarely settles a case the way parents expect.
No. People often hear that the number is 12, or 14, or 16. None of those ages appears anywhere in Minnesota law. The Legislature deliberately avoided a bright-line age because a thoughtful 13-year-old and an impulsive 16-year-old are not the same, and a judge needs room to distinguish between them.
What the statute uses instead is a maturity test. Under Minnesota Statutes section 518.17, subdivision 1, a court deciding custody and parenting time must consider “the reasonable preference of the child, if the court deems the child to be of sufficient ability, age, and maturity to express an independent, reliable preference.” Notice the conditions packed into that sentence. The preference has to be reasonable, the child has to be capable, and the opinion has to be independent and reliable, meaning the child’s own view and not a script handed to them by a parent.
In my experience, judges begin to give a child’s stated preference real weight somewhere in the early-to-mid teens, and they give it more weight the older and more grounded the child is. A 15 or 16-year-old who can explain clear, child-centered reasons, such as staying at the same high school, being closer to a job, or managing a medical condition, will usually be heard.
A 7-year-old who says they want to live with Dad because Dad has a trampoline will not convince a judge that’s the best idea. But this is a rule of thumb drawn from my 25+ years of practice, not a statutory cutoff or a court of appeals case, and I have seen judges weigh a mature 12-year-old’s views seriously and discount a 16-year-old’s when the preference looked coached or driven by who has fewer rules.
It counts as one factor among many. Section 518.17 lists a dozen best-interest factors, and the child’s preference is just one of them. The others include each child’s physical and emotional needs, any special medical or mental-health needs, the history of each parent’s caregiving, the effect of changing the child’s home, school, and community, and whether there has been domestic abuse in the household.
The statute is explicit that a judge cannot pick one factor and ignore the rest. The court has to make detailed written findings on every factor and explain how each one led to the decision. That requirement is the legal reason a child’s preference cannot, by itself, decide a case. Even when a judge fully credits what a teenager wants, the judge still has to walk through stability, safety, each parent’s involvement, and the rest, and any one of those can outweigh the preference.
This surprises a lot of parents: your child almost never testifies in open court. In 26 years, I’ve had it happen exactly one time. Divorce Court judges work hard to keep children out of the middle of their parents’ fight, and putting a child on the witness stand to choose between Mom and Dad is close to a last resort. Instead, a child’s views usually reach the court through one of three channels.
First, a judge may speak with the child privately in chambers, away from the parents and lawyers. These conversations are informal and are meant to lower the pressure on the child rather than put them on the spot.
Second, the court can order a custody evaluation, formally an investigation and report under Minnesota Statutes section 518.167. In southern Minnesota, that work is typically done by the county’s family court services or a neutral evaluator. The evaluator interviews the child, the parents, and others who know the family, and writes a report that runs through the same 518.17 factors and makes a recommendation.
Third, the court may appoint a guardian ad litem under Minnesota Statutes section 518.165. A guardian ad litem investigates and advocates for the child’s best interests, and the statute directs the guardian to consider the child’s wishes as appropriate. The appointment is optional in most cases, but mandatory when the court has reason to believe a child has been abused or neglected. You can read more about that role on the Minnesota Judicial Branch’s guardian ad litem page.
One big caveat on the GAL situation is that the Court is more inclined NOT to appoint a GAL due to limited funds. 10 years ago it was much more common, but now it’s quite a bit more rare to see an appointment.
This is the version of the question I get most often, and it has a different answer than people expect. Changing an order that is already in place is much harder than setting one up in the first place, and a child’s preference alone is usually not enough to do it.
Modifications are governed by Minnesota Statutes section 518.18. That statute puts up real barriers. As a rule, you cannot generally bring a motion to modify custody until at least one year after the order, and if a prior modification motion was decided, you generally have to wait two years before filing another.
More importantly, to change the parent the child primarily lives with, the court usually has to find that the child’s present environment endangers their physical or emotional health or impairs their emotional development, and that the benefit of the change outweighs the harm of uprooting the child. “Endangerment” is a high standard. A 16-year-old simply preferring the other house does not meet it.
There are narrower paths. The court can modify if both parents agree, or if the child has already been integrated into the other parent’s home with the first parent’s consent. That second path is where an older teenager’s wishes can matter in practice. If a child has effectively moved in with the other parent and that parent has gone along with it, the living situation on the ground can become the basis for a formal change. But that is the integration of the child into a household doing the work, not the child’s bare preference.
Do not simply stop following the existing parenting-time schedule and let your teenager dictate where they sleep. Section 518.18 specifically treats the unwarranted denial of or interference with parenting time as a strike against the parent who does so. I have watched a parent’s case fall apart because they let a 15-year-old run the schedule, and the other side framed it, fairly, as a refusal to support the child’s relationship with the other parent. If your child is genuinely struggling with the current arrangement, the right move is to document what is happening and bring it to court or to a parenting-time expeditor, not to engage in self-help.
Custody law is statewide, but the path a case takes depends largely on the county, which is worth understanding if you are filing in southern Minnesota. Cases in Blue Earth County, where Mankato sits, are heard in the Fifth Judicial District, and Olmsted County cases out of Rochester are in the Third Judicial District. These are not the high-volume metro courts of Hennepin and Ramsey, and the resources for gathering a child’s input are more limited.
In practice, that means custody evaluations and guardian ad litem appointments in our region can take longer to schedule and are rationed more carefully than in the Twin Cities, because there are fewer evaluators and guardians to go around. A judge here may be more inclined to handle a mature teenager’s preference through a short in-chambers conversation rather than ordering a full evaluation that could add months and cost to the case. If your strategy depends on a formal evaluation to put your child’s wishes in front of the judge, build in extra time and ask early, because the local calendar will not move as fast as you want it to.
A child in Minnesota cannot choose which parent to live with until they are an adult. Once they are older and more mature child can express a preference that a judge will consider, but it is only one factor in a best-interests analysis that the court is required to weigh in full. The preference tends to carry more weight as the child gets older and as their reasons get more grounded, and it carries far less weight when it looks coached or when it is aimed at avoiding rules. And when there is already a custody order in place, a child’s wishes by themselves almost never clear the high bar to change it.
If you are trying to figure out how much your child’s voice will count in your specific situation, that is exactly the kind of judgment call that turns on the facts. You can find general information on the Minnesota Judicial Branch’s child custody and parenting time pages.
About the author: Jason Kohlmeyer is a Minnesota family law attorney with over 25 years of experience and a partner at Kohlmeyer Hagen Law Office in Mankato and Rochester. He has practiced family law exclusively since 2010 and has handled hundreds of custody cases across southern Minnesota. He is the author of The Divorce Survival Guide: Getting Divorced in Minnesota and has spoken on family law topics for the American Bar Association, Minn. State Bar associations and American Trial Lawyers Association. He is a member of the Minnesota State Bar Association and has been recognized by Super Lawyers and Best Lawyers of America for many years.