By Jason Kohlmeyer, Minnesota family law attorney | Updated October 18, 2026
In Minnesota, legal separation and divorce follow nearly the same process. Both divide property and debt and settle custody, parenting time, child support, and spousal maintenance. The difference is the ending. After a legal separation you are still married and cannot remarry. And unlike a divorce, a legal separation has no 180-day residency requirement.
I have practiced Minnesota family law since 2000, much of it in high-conflict cases and in farm and business divorces, and legal separation is one of the most misunderstood tools in the system. People assume it is a softer, cheaper, or required version of divorce. It usually is none of those things. Below I walk through what is actually different, the myths I correct in my office almost every week, and how the filing really works.
Both are governed by the same statute, Minn. Stat. § 518.06. It defines a dissolution of marriage, which is what Minnesota calls a divorce, as the complete termination of the marriage. It defines a legal separation as a court determination of the rights and responsibilities of a married couple that does not end the marriage. Read that twice, because it is the whole ballgame. After a legal separation you are still married. You cannot remarry. You may still be treated as a spouse for some purposes, depending on the document and the policy involved.
The two also rest on different findings. A divorce is granted when the court finds an irretrievable breakdown of the marriage. A legal separation is granted when the court finds that one or both spouses need one. If one or both of you petition for a legal separation, and neither spouse contests it or asks for a divorce instead, the court must grant the separation.
What surprises people is how much the two proceedings share. In a legal separation the court can still divide your marital property and debts, decide legal and physical custody, set a parenting time schedule, and order child support and spousal maintenance. You are not getting a watered-down result. You are getting most of a Minnesota divorce, with the marriage left intact at the end. The table below lays out where they line up and where they part ways.
| Legal separation | Divorce (dissolution) | |
|---|---|---|
| Marital status afterward | Still married | Marriage ends |
| Can remarry | No | Yes |
| What the court must find (§ 518.06) | One or both spouses need a legal separation | Irretrievable breakdown of the marriage |
| 180-day Minnesota residency (§ 518.07) | Not required | Required for at least one spouse |
| Divides property and debt | Yes | Yes |
| Custody, parenting time, child support | Yes | Yes |
| Spousal maintenance | Yes | Yes |
| Court filing fee | Same as a divorce, about $400 in most counties | About $400 in most counties |
| Federal tax filing status | Generally unmarried if the decree is entered by December 31 | Unmarried once the decree is final by December 31 |
| If you reconcile | The court can vacate the separation | Cannot be undone |
| Can become the other later | Yes, can be converted to a divorce | No |
If you want the full picture of how a Minnesota divorce runs from petition to final decree, my Minnesota Divorce Guide walks through every step, the costs, and the timeline.
No. This is the biggest legal difference between the two, and it is often stated wrong online. Minnesota’s residency rule, Minn. Stat. § 518.07, says no dissolution may be granted unless one spouse has resided in Minnesota, or been stationed here in the armed services, for at least 180 days before the case begins. That rule is written for divorce. A legal separation has no minimum residency period.
That matters most to people who have just moved here. If your marriage falls apart a few months after a move to Minnesota, you do not have to wait half a year with no court orders in place. You can file for legal separation, get orders on the children, the house, and support, and then convert the case to a divorce once one of you has resided in Minnesota for 180 days. Service members stationed here have their own rules, which I cover on our military divorce page. For the divorce side of the rule, see our guide to Minnesota divorce residency requirements.
These are the four myths I correct most often, usually in the first ten minutes of a consultation.
No. Minnesota has no rule that you must be legally separated or live apart first, and no required period of living apart before either spouse files. Some states work that way. Minnesota does not. You can file for a divorce directly. Legal separation is an alternative path, not a mandatory stop along the way.
Usually not, and this is the myth I push back on hardest because it sounds reasonable. A contested legal separation requires the same financial disclosures, the same custody analysis, and the same negotiation or trial work as a contested divorce. The filing fee is the same. The legal effort is nearly identical. In my experience, couples who choose legal separation often do reconcile, and that is the best argument for it. But if your real goal is to end the marriage, separating first means paying for a second proceeding on top of the first. In that case it is the more expensive route, not the cheaper one.
No. Only a court decree creates a legal separation. Living in different houses is a physical separation, and it carries no court orders and no protections. Until a judge signs a decree, neither of you has an enforceable order about who pays the mortgage, who has the children when, or how the accounts are handled. I see people operate for a year on a handshake understanding, then watch it fall apart the moment money gets tight.
Not automatically. Protection comes from the court case and what the decree says, not from the label. Under Minnesota law, property and debt acquired after the valuation date are nonmarital (Minn. Stat. § 518.003, subd. 3b). The valuation date is set under § 518.58, subd. 1, and it is usually the date of the first scheduled prehearing settlement conference, unless the spouses agree on a different date or the court finds another date fair. In counties that hold an Initial Case Management Conference (ICMC), that is usually the ICMC. In other words, the cutoff is tied to a filed case, not to the day someone moved out. If you are worried about a spouse running up credit cards, or you expect an inheritance, filing is what puts that date in motion. A vague sense that you are separated protects nothing.
The mechanics track the divorce process closely. One spouse prepares and files a petition for legal separation in the district court for the county where either spouse resides. The petition asks the court to find that a legal separation is needed. The other spouse is served and has 30 days to answer. If neither of you contests the separation or asks for a divorce instead, § 518.06 directs the court to grant it.
From there you exchange financial information, work through custody and parenting time if you have children, and either reach a written agreement, often through mediation, or ask the judge to decide the open issues. The Minnesota Judicial Branch publishes the official court forms and its family law self-help resources, and many people start there before deciding whether they need a lawyer.
One practical note from experience. Because a legal separation requires the same work as a divorce, the decision is rarely about saving steps. It is about whether you want the marriage to survive the process. If you are confident the marriage is over, I usually tell clients to file for a divorce and not pay twice.
It can. For federal income taxes, your filing status is set by your status on December 31. Under IRS rules, if you are legally separated under a decree of separate maintenance on that date, you are generally treated as unmarried for the whole year, which usually means filing as single or head of household rather than jointly. If there is no decree by December 31, the IRS treats you as married for the full year, even if you lived apart all year. Whether a particular decree qualifies is a question of state law, so the timing of a Minnesota legal separation decree is worth discussing with your tax preparer before year end. IRS Publication 501 has the details.
There are honest reasons people choose it, and they tend to be specific rather than general. Religious conviction is a common one. Some people will not divorce because of their faith but still need enforceable orders about finances and children. A legal separation gives them structure without ending the marriage.
Health insurance is another, though it deserves caution rather than confidence. Some employer plans let a spouse stay on coverage during a legal separation when a divorce would end it, while others treat legal separation as a qualifying event that drops the spouse anyway. I never assume. Before anyone relies on this, I tell them to get the answer in writing from the plan administrator, because the plan document controls, not a general rule of thumb.
A recent move to Minnesota is a third. As covered above, a legal separation lets you get orders in place before either spouse meets the 180-day residency rule for divorce.
The last is genuine uncertainty. Couples who are not ready to declare the marriage over, but who need clear rules in the meantime, sometimes use a separation as a structured pause, and in my experience a good number of them do reconcile. Just go in with eyes open. The work and the cost mirror a divorce.
You file in the district court for the county where either spouse lives. For our clients that is often Blue Earth County in Mankato, Olmsted County in Rochester, Nobles County in Worthington, or Clay County in Moorhead, along with dozens of smaller counties across the state. The legal standard is the same everywhere in Minnesota, but the practical reality of a smaller county docket is not. In a busy metro county, a contested separation and a later divorce might land in front of different judges months apart. In a smaller county, you are more likely to see the same judge twice, which is one more reason not to run a separation as a half-measure if you already know you want out.
Farm country raises a wrinkle the metro rarely sees. From Blue Earth, Faribault, and Martin counties to the Red River Valley around Moorhead, a married couple often shares an operating farm. A legal separation can hold a farm operation together through a growing season while the spouses decide what to do, because the marriage and its arrangements stay legally intact. That can be the difference between an orderly transition and a forced sale at the wrong time of year. I have handled enough farm divorces to say that timing in agriculture is not a small detail, and it is one place where choosing separation over an immediate divorce can be load-bearing rather than sentimental.
Yes. A legal separation does not lock you in. If you later decide to end the marriage, the case can usually be converted to a dissolution, and the issues already resolved in the separation give you a running start. The reverse is also true. If you reconcile, you can ask the court to vacate the separation and go back to being an ordinary married couple, which is something a divorce decree can never offer once it is final.
That reversibility is the real heart of the choice. Divorce is a door that closes. Legal separation is a door left open. Deciding which one you want is less a legal question than a personal one, and it is worth talking through with someone who has seen how both play out before you file. If you want to read the statute language yourself, the full text of Minnesota Statutes Chapter 518 is published by the Office of the Revisor of Statutes.
If you are weighing legal separation against divorce, our family law attorneys can walk you through how each would play out for your family, your finances, and your timeline. KH Law has offices in Mankato and Rochester and meets with clients anywhere in Minnesota by video.
Jason Kohlmeyer is a Minnesota family law attorney and the founding and managing partner of Kohlmeyer Hagen, Law Office Chtd. (KH Law), with offices in Mankato and Rochester. He has practiced family law in Minnesota since 2000, and exclusively since 2010. He has been selected to Minnesota Super Lawyers every year since 2014, included in The Best Lawyers in America for Family Law from 2017 to 2027, and selected for The National Trial Lawyers Matrimonial and Family Top 30 (2026). He is a Fellow of the American Bar Foundation, the author of The Divorce Survival Guide: Getting Divorced in Minnesota, and has spoken on family law for the American Bar Association, the Minnesota State Bar Association, Minnesota CLE, and the American Association for Justice.
This article is general information about Minnesota law, not legal advice for your situation.
