Residency Migration Reference
Moving from Kansas to Montana: Residency, Taxes, and What to Prove
Kansas's 5.58% top income tax rate becomes 5.65% in Montana. This move trades a lighter tax environment for a heavier one, so timing income around the transition year matters.
Residency Tests Side by Side
Neither Kansas nor Montana relies on a simple statutory day-count threshold. Both apply a facts-and-circumstances or closest-connections style test, so day counting alone will not settle a residency question in either direction.
| Factor | Kansas | Montana |
|---|---|---|
| Statutory Residency Test | Kansas does not run a separate day-count statutory residency test layered on top of domicile the way New York or California do. Kansas Department of Revenue guidance defines a Kansas resident for income tax purposes as anyone who lives in Kansas, regardless of where they are employed, and an individual who is away from Kansas for a period of time but intends to return remains a Kansas resident the entire time they are away. K.S.A. 79-32,109 supplies the underlying statutory definition of resident individual that KDOR guidance implements. | Under ARM 42.15.109, implementing Mont. Code Ann. §15-30-2101, an individual is a Montana resident for income tax purposes if domiciled in Montana or if the individual maintains a permanent place of abode in Montana. Unlike most states, Montana's rule does not pair the permanent-place-of-abode prong with a codified day-count threshold; residency for the abode prong is instead determined, per the regulation's own language, 'in light of all facts and circumstances.' |
| Domicile Test | Kansas weighs the usual facts-and-circumstances domicile factors under Kansas Administrative Regulation 92-12-4: where the taxpayer's permanent home is, where they are registered to vote, where their driver's license and vehicle registration are held, where they claim the Kansas Homestead Refund, and the location of family, employment, and financial accounts. No single factor is dispositive; KDOR and the Board of Tax Appeals weigh the whole pattern of conduct. | 'Domiciled' is defined by ARM 42.2.304 as having a residence in Montana as determined under Mont. Code Ann. §1-1-215, the state's general residence statute. That statute treats residence as the place a person returns to in seasons of repose when not called elsewhere for labor or a special or temporary purpose, holds that a person can have only one residence, that a residence cannot be lost until another is gained, and, notably, that if a person claims a Montana residence for any purpose, that location becomes the person's residence for all purposes absent a specific statutory exception. A change of residence requires the union of act and intent, not one alone. |
| Day Count Threshold | No fixed threshold | No fixed threshold |
| Any Part of a Day Rule | Not applicable. Kansas has no statutory day-count test, so there is no rule treating a single hour of physical presence as a full day the way California and New York do for their own statutory residency tests. A Kansas domicile dispute turns on intent and conduct, not a day tally. | Montana's regulations do not publish a specific any-part-of-a-day counting convention, because the permanent-place-of-abode prong of the residency test has no attached day-count threshold at all; the Department instead applies a facts-and-circumstances standard to the abode question. |
| Presumptions | None published | None published as a distinct numeric presumption. The general residence statute's 'claim a residence for any purpose, and it's your residence for all purposes' rule functions as Montana's closest analog to a presumption: registering to vote, obtaining a resident hunting or fishing license, or otherwise claiming Montana residency for an unrelated purpose can be used as evidence of Montana domicile for tax purposes. |
| Safe Harbors | None published | None published |
Leaving Kansas
Kansas is not named among the handful of aggressive exit-audit states that practitioners and Reddit's r/tax regulars flag most often, a list that consistently runs to New York, California, New Jersey, Connecticut, Maryland, and Minnesota. The real Kansas exit friction shows up locally in the Kansas City metro, which straddles the Kansas-Missouri state line: households who move a few miles from Overland Park or Olathe (Kansas) to the Missouri side of the metro but keep a Kansas driver's license, Kansas voter registration, or a Kansas Homestead Refund claim on a house they've converted to a rental are the pattern most likely to draw a residency inquiry, because those records are the ones KDOR can cross-check without a full field audit.
Trailing Income
Kansas continues to tax Kansas-source income earned by a nonresident after departure: wages for work physically performed in Kansas, income from a Kansas-based business, and gain on Kansas real property. Kansas has no published convenience-of-the-employer rule comparable to New York's, so a former Kansas resident who now works remotely from another state for a Kansas employer generally is not taxed by Kansas on those post-move wages solely because the employer is Kansas-based.
Part-Year Filing
Part-year residents file Form K-40 and complete Part B of Schedule S, which allocates income between the Kansas-resident portion of the year and the nonresident portion, and reports the specific dates Kansas residency began or ended.
Enforcement Methods
Common Exit Mistakes
Establishing Montana Residency
| Action | Agency | Deadline |
|---|---|---|
| Get a Montana driver's license | Montana Motor Vehicle Division | within 60 days of establishing residency |
| Title and register vehicles in Montana | Montana Motor Vehicle Division / county treasurer | within 60 days of establishing residency |
| Register to vote | Montana Secretary of State / county election office | regular registration closes 30 days before an election; late registration continues through Election Day (subject to a noon-to-5pm blackout the day before) |
Declaration of Domicile
Montana has no formal declaration-of-domicile filing comparable to Florida's for tax purposes. What Montana does have is a homestead declaration, a separate, unrelated legal mechanism (see Homestead below) that protects home equity from creditors, not a domicile filing, though a recorded homestead declaration is one more piece of paper trail pointing to where a person has claimed Montana as home.
Homestead
Montana's homestead exemption (Mont. Code Ann. §70-32-104) is not automatic: a person must execute, notarize, and record a written declaration of homestead with the county clerk and recorder (§70-32-105) to claim it. It protects home equity from most creditors up to a dollar cap that started at $350,000 in 2021 and adjusts upward roughly 4% a year. Because the declaration is a deliberate, dated, recorded filing rather than something automatic, it functions as unusually strong documentary evidence of when a person claimed a Montana home, useful for establishing residency, but also a loose end that should be released if the property stops being the primary home.
Voter Registration
Regular registration closes 30 days before an election; Montana also allows late registration in person through Election Day itself, though a court fight over Senate Bill 490 has centered on a proposed blackout period the day before Election Day, so voters moving close to an election should confirm current rules with their county election office. https://votemt.gov/voter-registration/
Vehicle Registration Deadline
60 days
New Resident Tax Traps
Montana taxes worldwide income from the date Montana domicile begins, requiring Montana Form 2's part-year apportionment for the year of the move. Because Montana's general residence statute treats a claim of Montana residency for any purpose as a claim for all purposes, a new arrival who registers to vote or gets a resident hunting license before formally establishing the rest of their domicile picture may find the state (or their old home state) pointing to that early claim as the actual date domicile began.
What Changes on Tax
Kansas Top Rate
5.58%
Montana Top Rate
5.65%
Moving from Kansas to Montana raises the top marginal income tax rate from about 5.58% to about 5.65%, an increase of roughly 0.07 percentage points.
Withholding Reciprocity
Kansas and Montana do not have a wage-withholding reciprocity agreement with each other, so this move follows ordinary source-state and resident-state filing rules rather than a reciprocity exception.
Community Property Transition
Kansas and Montana both use common law, equitable-distribution marital property rules, so no community property transition applies to this move.
Beyond Income Tax
Kansas
Capital gains: Kansas has no separate capital gains rate. Gains flow through federal adjusted gross income into Kansas adjusted gross income and are taxed at the same 5.2%/5.58% rates as ordinary income.
Estate or inheritance tax: None. Kansas repealed its inheritance tax decades ago and has no separate estate tax; only the federal estate tax, with its much higher exemption, can reach a Kansas decedent's estate.
Property tax: Effective property tax rate on owner-occupied housing runs about 1.21%. Kansas does not use a Florida-style homestead exemption that reduces taxable value; instead it runs the Homestead Refund program (Form K-40H), an income-capped property tax rebate of up to $700 for qualifying homeowners who are 55 or older, blind or disabled, or have a dependent child under 18, and a separate 75% property tax refund (Form K-40PT) for homeowners 65 and older with lower household income.
Sales tax: State rate is 6.5%, with a statewide average combined rate (state plus local) of about 8.69%, one of the higher combined averages in the country because Kansas allows extensive city and county sales tax stacking.
Montana
Capital gains: Long-term capital gains are carved out of ordinary taxable income and taxed on their own, lower two-bracket schedule: 3.0% and 4.1% for 2026 and 2027, with the bracket break points tracking the ordinary-income bracket structure. Short-term gains are taxed as ordinary income at the regular 4.7%/5.65% rates.
Estate or inheritance tax: None. Montana has no estate tax and no inheritance tax.
Property tax: Effective rate is roughly 0.61% of value. Montana's homestead exemption is not a property-tax break at all but a creditor-protection filing (see Establish); property tax relief instead comes through separate, income-limited programs like the Property Tax Assistance Program and Elderly Homeowner/Renter Credit.
Sales tax: Montana has no general state or local sales tax, one of only five states without one. This is also why out-of-state buyers sometimes register high-value vehicles and RVs through Montana LLCs to avoid their home state's sales tax, a business-registration workaround that has no bearing on personal tax domicile.
Who This Move Applies To
Travel Nurses
In Kansas
Kansas has no statutory carve-out for travel nurses distinct from its general domicile test; a nurse's Kansas tax home question is resolved under IRS Publication 463's tax-home concept for federal stipend treatment, and Kansas residency then follows the same domicile-and-intent analysis as any other taxpayer. Kansas hospital systems in Wichita, Topeka, and the Kansas City metro draw a steady stream of travel nursing assignments, and a nurse who claims a tax home outside Kansas while spending most of the year in a Kansas rental apartment faces the same tax-home disallowance risk documented nationally on travel-nurse forums.
In Montana
Billings, Missoula, and Montana's regional hospital systems generate real but modest travel-nurse demand given the state's population. A nurse genuinely domiciled in Montana who takes Montana contracts is taxed as an ordinary resident. A nurse claiming a Montana tax home while working elsewhere needs a real, regularly used, duplicated-expense Montana residence, since Montana's facts-and-circumstances domicile standard applies the same evidentiary weight to a claimed tax home as it does to any other domicile dispute.
Professional Athletes
In Kansas
Kansas is home to the Kansas Speedway and hosts Chiefs training-camp-adjacent business activity given the team's Kansas City, Missouri stadium sits just across the state line, but Kansas itself has no major-league franchise based in-state. Visiting athletes who play games in Kansas (at Kansas Speedway events or exhibition games) are subject to Kansas's duty-day apportionment framework for nonresident athlete income, consistent with how most states with an income tax administer the jock tax.
In Montana
Montana has no major professional franchise in the four big US leagues, so jock-tax exposure runs primarily one direction: Montana-domiciled athletes playing professionally elsewhere are taxed by those other states under their own apportionment rules, while nonresident athletes competing in occasional Montana events (college sports revenue aside) owe Montana tax on Montana-source income under standard nonresident sourcing.
Snowbirds, Long Visitors, and RVers
In Kansas
Because Kansas has no day-count statutory residency test, a Kansas snowbird who winters in Arizona or Florida does not face a bright-line trigger the way a New York or California resident would; the question is simply whether the Kansas home remains the taxpayer's true domicile, judged on the same conduct factors (driver's license, voter registration, Homestead Refund claims) as any other Kansas residency question. The bigger snowbird risk runs the other direction: a Kansas Homestead Refund claim requires full-year Kansas residency, so a homeowner who spends a large part of the year in a warm-weather state should not claim it if they can't support full-year Kansas residency.
In Montana
Because Montana's permanent-place-of-abode test has no codified day-count threshold, a long-term visitor or second-home owner in a resort area like Whitefish, Big Sky, or the Flathead Valley cannot rely on staying under a specific number of days the way they could in a state with a 183-day rule; the Department instead weighs the full facts and circumstances of how the home is used and how much time is actually spent there. Montana's own domiciliaries who winter in Arizona or elsewhere remain presumed Montana residents under the 'residence cannot be lost until another is gained' rule unless they affirmatively establish a new domicile.
Remote Workers
In Kansas
Kansas has no published convenience-of-the-employer rule, so a genuine Kansas resident working remotely for an out-of-state employer is taxed by Kansas as a resident regardless of the employer's location, and a nonresident working remotely for a Kansas employer generally is not pulled into Kansas tax solely because the employer is headquartered there. The recurring Kansas-specific version of this issue is Kansas City metro commuters: someone who lives on the Kansas side and works, even partly remotely, for a Missouri-based employer (or vice versa) has to track actual work-location days carefully, since neither state applies a convenience rule to override where the work was physically performed.
In Montana
Montana has no convenience-of-employer rule: a nonresident performing all work physically outside Montana for a Montana-based employer is not Montana-taxed on those wages. Montana, particularly Bozeman, Missoula, and the Flathead Valley around Whitefish and Kalispell, has drawn a wave of remote workers relocating from higher-cost states since 2020, and the lack of a sales tax is a frequently cited draw alongside the income tax simplification.
Military
In Kansas
Kansas follows the federal Servicemembers Civil Relief Act and Military Spouses Residency Relief Act. A servicemember whose home of record is Kansas remains a Kansas domiciliary and taxpayer regardless of duty station, and Kansas does not tax the military pay of a nonresident servicemember stationed in Kansas solely because of orders. Fort Riley and McConnell Air Force Base are the state's major installations, and Kansas allows a nonmilitary spouse to elect the servicemember's state of legal residence under MSRRA for Kansas tax purposes.
In Montana
Montana follows the federal Servicemembers Civil Relief Act and Military Spouses Residency Relief Act. A service member stationed in Montana under orders (Malmstrom Air Force Base near Great Falls is the state's major installation) does not become Montana-domiciled from the posting alone. Montana's 2024 tax simplification added a subtraction for certain resident working military retirees and military survivor-benefit recipients, on top of the general federal SCRA/MSRRA protections.
Airline Crew
In Kansas
Federal law (49 U.S.C. §40116) limits any state's ability to tax an air carrier employee's pay to the employee's state of residence and any state where more than 50% of pay is earned. Wichita is home to significant aviation manufacturing (Textron Aviation, Spirit AeroSystems) but is not a major airline crew base; crew based elsewhere who happen to be Kansas domiciliaries are protected by the federal carve-out from having their full income pulled into a duty-station state's tax.
In Montana
Montana's airports (Bozeman Yellowstone International being the busiest) are not major airline crew bases, so the more relevant federal carve-out for Montana residents working in transportation is the interstate rail and motor carrier employee rule: federal law limits taxation of such employees with regularly assigned duties in more than one state to their state of residence.
Tools for This Move
Kansas to Montana FAQ
Does Kansas use a 183-day rule like some other states?+
No. Kansas has no statutory day-count test at all. A Kansas resident for tax purposes is simply anyone who lives in Kansas, and someone who is temporarily away from Kansas but intends to return is still treated as a Kansas resident the entire time, regardless of how many days that absence lasts.
Does Montana use the 183-day rule?+
No. Montana's residency test is domicile or maintaining a permanent place of abode in the state, but unlike most states, the permanent-place-of-abode prong has no codified day-count number at all. The Department looks at all the facts and circumstances of how the home is used rather than counting to a specific threshold like 183 days.
I moved from the Kansas side of Kansas City to the Missouri side but kept my old Kansas driver's license. Is that a problem?+
Yes, it's the single most common Kansas residency issue given how many households move within the KC metro across the state line. A Kansas driver's license, Kansas voter registration, or a Kansas Homestead Refund claim on your old house are all direct evidence of continued Kansas domicile, and the Homestead Refund specifically requires full-year Kansas residency, so keeping that claim after moving to Missouri is a clear contradiction if the state ever checks.
If I get a Montana hunting license or in-state tuition after I've moved away, does that make me a Montana resident again?+
It can be used against you. Montana's general residence statute says that if you claim Montana residence for any purpose, that becomes your residence for all purposes unless a specific statutory exception applies. Claiming a resident hunting license or resident tuition after claiming to have left is exactly the kind of inconsistent claim the Department, or your new home state, could point to.
Does Kansas tax my Social Security benefits?+
No, as of tax year 2024 Kansas fully exempts Social Security benefits regardless of income, after the 2024 tax reform package repealed the prior $75,000 federal AGI phase-out that used to tax benefits for higher earners.
Does registering my RV or truck through a Montana LLC make me a Montana resident?+
No. Registering a vehicle through a Montana-formed LLC is a business registration, not a personal residency claim, and by itself has no bearing on your individual tax domicile. It doesn't make you a Montana resident, and it doesn't get you out of your actual home state's residency test either.
What form do I file if I only lived in Kansas part of the year?+
Part-year residents file Form K-40 along with Part B of Schedule S, which reports the specific dates Kansas residency began or ended and allocates income between the Kansas-resident and nonresident portions of the year.
What form do I file if I only lived in Montana part of the year?+
Montana Form 2, the Individual Income Tax Return, filed with the part-year/nonresident schedule, which apportions your income between the period you were a Montana resident and the period you were not.
Is Kansas an aggressive state for residency audits like California or New York?+
No. Kansas is not on the short list of states practitioners and taxpayer forums consistently flag as aggressive on residency, a list dominated by New York, California, New Jersey, Connecticut, Maryland, and Minnesota. Kansas has no day-count test to enforce, so its residency disputes are narrower and concentrate on driver's license, voter registration, and Homestead Refund records rather than a multi-year presence reconstruction.
Does Montana tax Social Security?+
Yes, but only to the extent it's included in your federal taxable income, following a 2024 simplification that ended Montana's older, separate and more restrictive Social Security worksheet. Taxpayers 65 and older also get a flat $5,500 subtraction from federal taxable income ($11,000 for a joint return where both spouses are 65+).
Does Kansas have a homestead exemption that lowers my property taxes?+
Not in the Florida sense of a value-reducing exemption. Kansas instead runs the Homestead Refund (Form K-40H), an income-capped rebate of up to $700 for qualifying homeowners who are 55 or older, blind or disabled, or have a dependent child under 18, plus a separate 75% property tax refund for homeowners 65 and older with lower income. Both require full-year Kansas residency to claim.
Does Montana tax capital gains differently from ordinary income?+
Yes. Long-term capital gains are pulled out of ordinary taxable income and taxed on their own lower two-bracket schedule, 3.0% and 4.1% for tax years 2026 and 2027, well below the 4.7%/5.65% rates on ordinary income. Short-term gains are taxed as ordinary income at the regular rates.
Considering the reverse move?
Montana to Kansas
Moving the other direction is a different fact pattern, not a mirror image: exit risk and establishment mechanics both flip.
View the Montana to Kansas guideAlso Consider, Leaving Kansas
Kansas to Montana Reading
Reviewed Against 16 Primary Sources
ResidencyIQ organizes public residency research into a reviewable reference. It does not provide legal or tax advice. Consult a qualified professional before making a residency decision.
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