Kings Island
crowd calendar.
Tell us when you're visiting and we'll show you the quietest day in your window. Going soon? The free app shows live waits and pings you when a line drops. Built from real wait-time data, updated nightly.
Quietest months we've measured, 2024-2026: June and August, especially Sundays. Busiest: October and April.
Updated October 12, 2026. Forecast days refresh nightly.
Past days show measured crowd levels or historical estimates; upcoming days show forecasts. A dash means no crowd estimate, so check park hours before choosing that date.
Quietest months we've measured, 2024-2026: June and August, especially Sundays. Busiest: October and April.
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How busy is Kings Island in 2026?
Our measured numbers for Kings Island across 2024-2026 split clearly: June and August average level 4.3, while October and April average 7.0. Fridays run about 2.5 levels higher than Sundays, so Sunday is your friend.
Halloween Haunt is the big crowd driver, with those days averaging level 6.3. The calendar above flags them.
Kings Island crowds by month, 2026
Twelve months, one glance. Months still to come are forecasts, partial months count measured days only, and the grid up top has every individual day.
| Month | Avg level | What that means |
|---|---|---|
| January | – | No data |
| February | – | No data |
| March | – | No data |
| April | – | No data |
| May | 5.2 / 10 | Moderate |
| June | 4.1 / 10 | Light |
| July | 4.7 / 10 | Moderate |
| August | 4.3 / 10 | Light |
| September | – | No data |
| October | 7.3 / 10 | Busy (forecast) |
| November | – | No data |
| December | – | No data |
Best days to visit Kings Island in 2026
You've got options: 42% of measured days at Kings Island across 2024-2026 come in at level 4 or below. Sundays run quietest on average. June is the sweet spot if you can pick your week. Want receipts? See how September 7 played out at level 10, or what a level-1 day looked like on October 1.
Common questions about Kings Island crowds
When is Kings Island least busy in 2026?
Across the 2024-2026 seasons we've measured, June and August run quietest, averaging level 4.3 out of 10. Within any week, Sundays usually post the lowest levels. The calendar above shows every day, so check your exact dates.
What's the least busy day of the week at Kings Island?
Sunday. Measured across 2024-2026, Sundays average level 3.9 out of 10, against 6.4 on Fridays, the busiest day.
How busy is Kings Island on weekends?
Saturdays average level 6.2 and Sundays 3.9, against 5.4 on weekdays, measured across 2024-2026. The busiest day of the week is Friday at 6.4.
How accurate is this crowd calendar?
Past days show measured crowd levels where we have them. Upcoming days are forecasts and update nightly.
What do the crowd levels 1-10 mean?
Level 1-2 is quiet, 3-4 is light, 5-6 is moderate, 7-8 is busy and 9-10 is packed. Each level comes from that day's posted wait times across the whole park.
Is the Kings Island crowd calendar free?
Yes. The calendar is free and you don't need an account to browse it. With a free Ride Ready account, you get live wait times, a plan preview with a few rides, and 3 ride alerts per park. Premium adds unlimited day plans with automatic replanning and unlimited alerts.
Plan your Kings Island visit
- Kings Island park guide
- Kings Island touring strategy
- Crowd calendars for every park we cover
- The 2026 Theme Park Crowd Report
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