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Mega Millions Payout After Taxes in Idaho

Annuity schedule with Idaho tax withholding estimates

The current $368.0M Mega Millions jackpot works out to about $94.4M in your pocket after taxes if you win the lump sum in Idaho. This includes estimated 5.3% Idaho state tax withholding on top of 37% federal. For every $5 ticket you buy, the jackpot would need to reach around $2.84B before the math technically breaks even. At today's jackpot you are getting back roughly $0.26 for every dollar spent. Most people play for the thrill, not the math. But if you are chasing value, larger jackpots give you more expected return per ticket.

Tax Assumptions
Idaho
Federal
37.00%
State
5.30%
Net = Gross − Federal − State
Advertised Jackpot (Annuity)
$368.0M
Cash Option
$163.6M

Cash Option Take-Home in Idaho

Cash option (lump sum)$163.6M
Federal tax (37%)$60.5M
Idaho tax (5.30%)$8.7M
Your net payout$94.4M
Expected value per $5 ticket
After federal + Idaho tax, at today's jackpot. Average long-run return per ticket. Not a prediction for any single ticket.
−$4.24
Annuity: average net per year
$7.1M
Annuity: net after 30 payments
$212.3M

Mega Millions Annuity Payout Schedule

30 annual payments, after federal + Idaho tax

YrGrossTaxesNet
1$5,538,928
-$2,049,403
-$293,563
$3,195,962
2$5,815,875
-$2,151,874
-$308,241
$3,355,760
3$6,106,668
-$2,259,467
-$323,653
$3,523,548
4$6,412,002
-$2,372,441
-$339,836
$3,699,725
5$6,732,602
-$2,491,063
-$356,828
$3,884,711
6$7,069,232
-$2,615,616
-$374,669
$4,078,947
7$7,422,693
-$2,746,396
-$393,403
$4,282,894
8$7,793,828
-$2,883,716
-$413,073
$4,497,039
9$8,183,519
-$3,027,902
-$433,727
$4,721,890
10$8,592,695
-$3,179,297
-$455,413
$4,957,985
11$9,022,330
-$3,338,262
-$478,183
$5,205,885
12$9,473,447
-$3,505,175
-$502,093
$5,466,179
13$9,947,119
-$3,680,434
-$527,197
$5,739,488
14$10,444,475
-$3,864,456
-$553,557
$6,026,462
15$10,966,699
-$4,057,679
-$581,235
$6,327,785
16$11,515,034
-$4,260,563
-$610,297
$6,644,174
17$12,090,785
-$4,473,590
-$640,812
$6,976,383
18$12,695,325
-$4,697,270
-$672,852
$7,325,203
19$13,330,091
-$4,932,134
-$706,495
$7,691,462
20$13,996,595
-$5,178,740
-$741,820
$8,076,035
21$14,696,425
-$5,437,677
-$778,911
$8,479,837
22$15,431,247
-$5,709,561
-$817,856
$8,903,830
23$16,202,809
-$5,995,039
-$858,749
$9,349,021
24$17,012,949
-$6,294,791
-$901,686
$9,816,472
25$17,863,597
-$6,609,531
-$946,771
$10,307,295
26$18,756,777
-$6,940,007
-$994,109
$10,822,661
27$19,694,615
-$7,287,008
-$1,043,815
$11,363,792
28$20,679,346
-$7,651,358
-$1,096,005
$11,931,983
29$21,713,313
-$8,033,926
-$1,150,806
$12,528,581
30$22,798,980
-$8,435,623
-$1,208,346
$13,155,011
Tot$368,000,000
-$136,159,999
-$19,504,001
$212,336,000

Estimates only. Not financial, tax, or gambling advice. Lottery outcomes are random. Verify all figures with official sources before making any decisions.

ScratchCheck is independently operated by 7H Ventures LLC and is not affiliated with Mega Millions, Powerball, or any lottery organization. This page may contain affiliate links - we may earn a commission at no cost to you.

Important Notes - About These Estimates

Tax calculations on this page apply current IRS marginal rate tables to gross jackpot payments. Because no deductions are factored in, the federal figures shown represent a higher-end estimate of what you might owe - your actual liability will likely be lower once deductions, credits, and your specific financial situation are accounted for.

Expected Value (EV) represents the average return per ticket across all prize tiers if the game were played a very large number of times. It is calculated using published prize tiers and probabilities when available. EV does not guarantee any outcome for an individual ticket and should not be interpreted as predicted winnings. EV can change as the advertised jackpot, cash option, or prize structure changes.

State taxes are calculated using a single flat rate (the top marginal or lottery-specific rate for that state). States that use graduated brackets would produce a slightly lower actual tax burden than what is shown here.

The annuity payment figures on this page are derived from the published jackpot amount using a standard escalation model. Actual disbursements from the lottery may differ slightly due to rounding or administrative adjustments.

This page does not include local or city taxes, which vary widely and may apply depending on where you live. Check with your local tax authority for details specific to your area.

Winners who are not U.S. residents are typically subject to a mandatory 30% federal withholding rate set by the IRS, which differs from the standard marginal rates shown above. Tax treatment for non-residents varies - consult a tax professional familiar with your country of residence.

ScratchCheck reviews state lottery withholding rates on a regular basis, but rates do change and there may be a lag before updates are reflected here. If you spot a rate that appears outdated, let us know at [email protected].

Lottery operators may reduce prize payments to satisfy outstanding obligations such as unpaid taxes or other government-mandated deductions before disbursement.

Nothing on this page is financial, tax, or legal advice. Every winner's situation is unique - before claiming a large prize, speak with a qualified tax professional and financial advisor.

Frequently Asked Questions

Is it a good time to play Mega Millions in Idaho?
At $368M, this is a poor time to play. The jackpot is far below the $2.84B break-even threshold. Idaho adds a 5.30% state tax on top of federal withholding, reducing take-home further.
How much will I get after taxes on a Mega Millions jackpot win in Idaho?
Taking the lump sum cash option of $164M, federal taxes (37%) and Idaho state taxes (5.30%) combine to approximately 42%. Estimated take-home after both is roughly $94M. This is a simplified estimate. Actual liability depends on filing status, deductions, and other income. The annuity schedule on this page shows year-by-year net payments.
Does Idaho tax lottery winnings?
Yes. Idaho taxes lottery winnings as ordinary income at a state rate of approximately 5.30%. Combined with the 37% federal effective rate, total taxation on a jackpot win in Idaho is roughly 42%.
Should I take the lump sum or annuity for Mega Millions in Idaho?
The lump sum cash option is $164M (roughly 44% of the $368M advertised jackpot). After federal and Idaho state taxes, you'd net approximately $94M today. The annuity spreads payments over 29 years, which can be advantageous if Idaho's tax rates or your personal bracket changes over time. Most winners choose the lump sum for immediate control and investment flexibility.
What is the expected value of a Mega Millions ticket for a Idaho player?
The pre-tax expected value of a $5 Mega Millions ticket at the current jackpot is $-3.69. For a Idaho resident, after applying the combined federal (37%) and state (5.30%) tax rate to jackpot and large prizes, the after-tax expected value is lower still. This calculation accounts for jackpot sharing probability and all prize tiers and does not account for your personal tax deductions.