Missouri Retirement Tax Guide 2026: Flat 4.7% Rate, Social Security Exemption & Gold IRA Strategy

Missouri has quietly become one of the more retirement-friendly states in the Midwest — with a low flat income tax rate, an expanding Social Security exemption, and a pension income deduction that shields a substantial portion of retirement distributions from state tax. Pre-retirees with 401(k) balances, IRAs, and pensions should understand how Missouri’s tax structure applies to their specific income mix before they plan your retirement savings strategy around a fixed state tax assumption.

Missouri Income Tax Rate in 2026: Flat 4.7%

Missouri transitioned to a simplified flat income tax structure effective 2024, with the rate at 4.7% for 2026. This replaced a prior graduated structure with multiple brackets. The flat rate applies to all ordinary income — wages, IRA distributions, pension income, interest, dividends, and capital gains — with the key variable being which exemptions and deductions reduce your Missouri adjusted gross income before the 4.7% rate is applied.

Missouri also has a further scheduled rate reduction in place: the rate is set to drop to 4.5% under current law, contingent on meeting revenue triggers. Pre-retirees planning a 20+ year retirement in Missouri should account for the likelihood of a modestly lower rate in the coming years.

Social Security Exemption: Expanding and Income-Dependent

Missouri provides a full Social Security exemption for most retirees — but it is income-phased for higher earners. For single filers with Missouri adjusted gross income under $85,000, Social Security benefits are fully exempt. For married couples filing jointly with AGI under $100,000, benefits are fully exempt. Above those thresholds, the exemption phases out; above $85,000 (single) or $100,000 (MFJ), Social Security is included in taxable income.

For most Missouri retirees whose primary income sources are Social Security, pension distributions, and moderate IRA withdrawals, keeping income below the thresholds — especially in the first years of retirement before RMDs begin — allows the full Social Security exemption to apply. Strategic coordination of Roth conversions and IRA distributions can help maintain income levels that qualify for the full exemption.

Public Pension Deduction

Missouri allows a deduction for income received from the Missouri State Employees’ Retirement System (MOSERS), the Missouri Local Government Employees Retirement System (LAGERS), the Public School Retirement System (PSRS), and other qualified public pensions administered by the state. Public pension income from these systems is deductible up to the amount of Social Security benefits the pensioner would have been entitled to receive (a proxy based on the federal Social Security benefit formula). In practice, this often means a significant portion of a MOSERS or PSRS pension is effectively tax-free in Missouri.

Private Pension and Retirement Account Income

Missouri does not provide a separate broad deduction for private pension income (unlike South Carolina or Colorado). Traditional IRA and 401(k) distributions are added to ordinary income and taxed at the flat 4.7% rate, subject to the standard deduction and personal exemptions. However, Missouri’s standard deduction conforms to the federal standard deduction — $15,000 for single filers and $30,000 for married filing jointly in 2026 (indexed for inflation). For most moderate-income retirees, these deductions substantially reduce the taxable income subject to the 4.7% rate.

The practical result: a married couple with $25,000 in combined Social Security (fully exempt under the income threshold), $20,000 from traditional IRA distributions, and $10,000 in pension income — with a $30,000 federal/Missouri standard deduction — could potentially face zero Missouri income tax after deductions on that income profile.

Military Retirement Income

Missouri fully exempts military retirement income from state income tax. Veterans receiving retirement pay from any branch of the U.S. armed forces owe zero Missouri income tax on those distributions. This full exemption has been in place and applies regardless of the amount of military retirement pay received. For veterans comparing retirement states in the Midwest, Missouri’s full military exemption is a meaningful financial advantage over surrounding states that partially tax military retirement income.

Gold IRA Rollovers in Missouri: State Tax Treatment

Missouri conforms to federal IRS rules for IRA and retirement account rollovers. A direct rollover from a 401(k) or traditional IRA to a Gold IRA is not a taxable event in Missouri — no state income tax is triggered on a properly executed custodian-to-custodian transfer. Indirect rollovers must be completed within the 60-day window to maintain tax-deferred status at both the federal and Missouri state level.

Once a Gold IRA is established, distributions are treated as ordinary IRA income under Missouri tax rules. These distributions are added to adjusted gross income, subject to the flat 4.7% rate after standard deductions. For pre-retirees in Missouri who want to add physical assets to your retirement account structure, there is no state-level penalty, special tax, or additional Missouri filing requirement for a Gold IRA — it is treated the same as any other traditional IRA for Missouri income tax purposes.

Roth IRA Strategy in Missouri

Missouri follows federal treatment for Roth IRAs. Qualified Roth distributions — from accounts held at least five years, taken after age 59½ — are completely state-tax-free in Missouri. These distributions don’t count against the Social Security exemption income threshold, making them doubly efficient: they produce no taxable income and don’t push you over the $85,000/$100,000 Social Security exemption threshold.

Roth conversions are taxable events in Missouri — the converted amount is added to ordinary income in the year of the conversion and taxed at 4.7%. Importantly, large Roth conversions can push a retiree’s AGI above the Social Security exemption thresholds, causing previously exempt Social Security income to become partially or fully taxable. The optimal approach involves sizing annual conversions to stay below those thresholds while steadily building Roth balances.

Missouri Capital Gains Tax

Missouri does not have a separate capital gains rate — long-term capital gains are taxed as ordinary income at the flat 4.7% rate. There is no Missouri exclusion or preferential rate for capital gains from investment accounts, real estate sales, or business asset sales. This is an important consideration for retirees who may be liquidating non-retirement investments, rental properties, or business interests as part of a retirement transition.

Property Tax in Missouri

Missouri property taxes are administered at the county level and are generally below the national average, with effective rates varying from around 0.8% to 1.3% of assessed value depending on county. Missouri offers a Property Tax Credit (Circuit Breaker) for qualifying older residents: renters and homeowners age 65 and older with income below $30,000 (single) or $34,000 (married) may claim a credit of up to $1,100. The credit partially offsets property tax or rent paid, providing meaningful relief for lower-income retirees.

Estate and Inheritance Tax

Missouri has no state estate tax and no state inheritance tax. Assets passing at death are governed by federal estate tax rules only. The federal exemption for 2026 is approximately $13.99 million per individual, and married couples can effectively double this through portability. For the vast majority of Missouri retirees, there is no state-level estate planning tax concern.

Retirement Income Planning for Missouri Residents

The core planning opportunity in Missouri is coordinating income to stay below the Social Security exemption thresholds. For a married couple, keeping AGI below $100,000 means all Social Security income is completely exempt. Traditional IRA and 401(k) withdrawals count against this threshold, so sizing annual withdrawals strategically — especially in the pre-RMD window — allows retirees to build Roth balances while preserving the Social Security exemption. Military retirement income doesn’t count against the threshold, adding further planning flexibility for veterans. The flat 4.7% rate means there is no marginal benefit to keeping income below specific bracket thresholds other than the Social Security exemption threshold itself.

Frequently Asked Questions

Is Missouri a good state for retirement taxes?

Yes, particularly for retirees with income under the Social Security exemption threshold. Missouri offers full Social Security exemption below $85,000 AGI (single) / $100,000 (married), full military retirement exemption, a flat 4.7% rate, and no estate or inheritance tax. The effective burden on most moderate-income retirees is low.

Does Missouri tax IRA withdrawals?

Yes — traditional IRA distributions are ordinary income in Missouri. They are taxed at 4.7% after the standard deduction, with no separate retirement income deduction for private accounts (unlike public pensions).

Does Missouri tax Social Security?

For single filers with AGI under $85,000 and married filers with AGI under $100,000, Social Security is fully exempt. Above those thresholds, benefits are included in taxable income.

Is a Gold IRA rollover taxable in Missouri?

No — a properly executed direct rollover is not a taxable event. Future distributions are taxed as ordinary IRA income at 4.7% after standard deductions.

Does Missouri have an estate or inheritance tax?

No estate tax and no inheritance tax. Only federal estate tax rules apply, with a 2026 per-individual exemption of approximately $13.99 million.