5.80% state lottery tax
Idaho Powerball Tax Calculator
Last updated:
Idaho applies a 5.80% state lottery tax. Combined with the 24% federal withholding and the top-bracket federal adjustment, the effective tax on a large jackpot lands around 38–42%.
Note: 5.80% top rate
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% | $57.3M |
| $300M | $103.0M | 42.75% | $171.7M |
| $500M | $171.7M | 42.77% | $286.1M |
| $700M | $240.3M | 42.78% | $400.5M |
| $1B | $343.3M | 42.79% | $572.1M |
| $1.5B | $514.9M | 42.79% | $858.1M |
| $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 |