Birthday Party Cost by Guest Count (2026)

$515

typical 15-guest at-home birthday party (2026)

Real parties range $165 (5 guests at home) to $1,835 (40 guests at a venue)

Cost by guest count (hosted at home)

5 guests

$290

8 guests

$358

10 guests

$403

12 guests

$448

15 guests

$515

20 guests

$628

25 guests

$740

30 guests

$853

40 guests

$1,078

Cost per guest falls as the party grows

👥 5-guest party$58 / guest

👥 15-guest party$35 / guest

👥 25-guest party$30 / guest

👥 40-guest party$27 / guest

Modeled from Party Genius AI budget calculator · 2026