Keno Odds & Payouts
Keno pays generously for hitting lots of spots — but those payouts exist precisely because the odds against them are enormous. To play with your eyes open, it helps to see how the maths works and why keno carries one of the highest house edges in the casino.
The long odds of hitting your spots
The game draws 20 numbers from 80, so any single number has a 1-in-4 chance of appearing. Matching a few low spots happens fairly often. But the more spots you need to hit, the steeper the climb: hitting all of a large selection is extraordinarily rare. Hitting all 10 of a 10-spot ticket, for example, has odds of roughly 1 in 8.9 million. That is why the headline payouts look so large — they almost never land.
Because every draw is random and independent, there is no pattern to exploit and no number is ever "due". Long dry spells and clusters are just how randomness looks.
How the paytable scales — and the house edge
Each spot count has its own paytable showing what you win for each number of hits. Playing more spots raises the top prize but pushes the required hits further out of reach, so the realistic outcomes shift toward small or zero wins. The paytable is tuned so the casino keeps a large slice over time.
That slice — the house edge — is commonly 25-30% in keno, and sometimes higher. By comparison, games like blackjack can sit below 1%. This makes keno one of the worst-value casino games mathematically. No bet pattern or spot selection reduces this edge; it is built into the paytable. Treat keno as paid entertainment, not a value play.
See the full round in How to Play Keno, the honest take in Keno Strategy, or return to the Keno Guide. Browse all casino game guides, the main guides library, or our lotto section.
Frequently asked questions
What is the house edge on keno?
It is high — commonly 25-30% and sometimes more, depending on the paytable. That means keno is one of the worst-value games in the casino over the long run. No strategy removes this edge, so play only for fun and within a budget you can afford to lose.
Why are keno payouts so big if it is bad value?
The large payouts apply to outcomes that are extremely unlikely, such as matching all 10 of a 10-spot ticket (roughly 1 in 8.9 million). The big numbers are eye-catching precisely because they almost never happen. The everyday reality is mostly small or no wins.
Can choosing certain numbers improve my odds?
No. Every draw is random and independent, so all numbers have the same chance. No number is "due", and lucky or hot numbers do not exist. Your spot choices change the paytable, not your fundamental odds against the house.