5.80% state lottery tax
Idaho Powerball Tax Calculator (2026)
The Idaho comparison model uses a 5.80% headline state rate together with federal withholding and an estimated top-bracket adjustment. It is an educational estimate, not a completed Idaho return.
Note: 5.80% top rate
Can Idaho residents buy Powerball in-state?
Idaho is treated here as a regular Powerball ticket-selling state. The calculator uses Idaho as the ticket-state input for estimating federal tax, state tax, and cash lump-sum take-home.
| Powerball sold in-state | Yes, modeled as a standard ticket-state scenario. |
|---|---|
| Modeled resident rate | 5.8% |
| Resident buys out of state | Usually starts with the ticket jurisdiction’s claim, withholding, and nonresident filing rules, then resident-state tax or credits must be checked. |
| Moving before claiming | Do not assume moving avoids tax. Claim date, residency, ticket location, and state law can all affect the final filing position. |
Idaho after-tax take-home by jackpot tier
24% federal withholding + top-bracket adjustment + state tax. Cash lump sum estimated at 60% of advertised jackpot.
| Advertised | Cash take-home | Cash effective | Annuity take-home |
|---|---|---|---|
| $100M | $34.4M | 42.66% | $59.7M |
| $300M | $103.0M | 42.75% | $174.1M |
| $500M | $171.7M | 42.77% | $288.5M |
| $700M | $240.3M | 42.78% | $402.9M |
| $1B | $343.3M | 42.79% | $574.5M |
| $1.5B | $514.9M | 42.79% | $860.5M |
| $2B | $686.5M | 42.79% | $1.1B |
Idaho vs neighboring states ($1B cash)
| State | Rate | Cash take-home |
|---|---|---|
| Idaho (ID) | 5.8% | $343.3M |
| Utah (UT) | 4.65% | $350.2M |
| Washington (WA) | 0% | $378.1M |
| Oregon (OR) | 9.9% | $318.7M |