How the keno paytable works
In a typical keno game, you pick a set of numbers — usually between 1 and 10 or more, depending on the variant — from a field of 80. The game then draws 20 numbers at random, and your payout depends on how many of your chosen numbers match the draw, scaled against how many numbers you originally picked. The paytable is set by the operator, and it’s built with a large house margin baked into every payout tier.
- Pick between 1 and 10+ numbers from a field of 80
- 20 numbers are drawn; matches determine your payout tier
- Payout multipliers are set entirely by the operator’s paytable
The house edge, in real numbers
Most online keno variants run a house edge between 20% and 35%, which dwarfs every other game covered on this site. For comparison, that’s roughly seven to thirteen times the edge on European roulette, and forty to seventy times the edge basic-strategy blackjack gets you down to. There’s no rule variation or strategy adjustment in keno that meaningfully closes that gap — the paytable is fixed and the draw is fully random.
| Game | Typical house edge |
|---|---|
| Keno | 20–35% |
| American roulette | 5.26% |
| European roulette | 2.70% |
| Blackjack (basic strategy) | ~0.5% |
If you’re choosing between keno and almost anything else on this site purely on expected value, almost anything else wins by a wide margin.
Why picking fewer numbers doesn’t help
Picking fewer numbers reduces variance — your results bunch closer together, win or lose — but it does not improve your actual odds of profit relative to what you’ve wagered. The house edge is baked into the paytable across every pick size; a 3-spot ticket and a 10-spot ticket both sit inside that same 20–35% range once you account for the full payout structure, just with different variance profiles. Lower variance means smaller, more frequent losses instead of occasional larger wins — not a better long-run outcome.
Why keno still exists on casino sites
Keno persists because it’s cheap to offer, simple to understand, and appealing to players who want a low-effort, lottery-style game. If you enjoy the format, treat it strictly as entertainment at small stakes, the same way you’d treat a lottery ticket — not as a game with real expected-value potential. If you want better math for the same “watch a draw resolve” feel, live dealer game shows on our live dealer hub generally carry a lower house edge.
Is there a strategy that improves keno odds?
No. The house edge is fixed by the paytable regardless of how many numbers you pick or which numbers you choose.
Why is keno’s house edge so much higher than roulette?
Keno paytables are structured to return a much smaller percentage of total wagers over time, largely because the game format tolerates a wider margin without feeling immediately obvious to players.
Does picking fewer numbers lower the house edge?
No, it lowers variance — how spread out your results are — not the underlying percentage the house keeps over time.
Is keno worth playing at all?
Only as low-stakes entertainment. If expected value matters to you, blackjack, roulette, or live dealer tables all offer dramatically better math.
