How to Grow a Community Group from 5 to 50 Members (2026 Guide)

· By Craig Pollard
How to Grow a Community Group from 5 to 50 Members (2026 Guide)
Growing a community group past 12 or 25 members hits predictable stall points. This playbook walks through each milestone from 5 to 50+ members — the tactics that work at each stage, why groups stall, and how RSVP tools eliminate the operational drag that kills momentum.

About the Author

Craig Pollard

Craig Pollard is the founder of Who's In? and a former Apple team lead (12 years). He writes about event technology, community building, and the future of AI-powered event discovery. Board advisor, investor, and non-executive director in technology and sports.

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Frequently Asked Questions

What does "How to Grow a Community Group from 5 to 50 Members (2026 Guide)" cover?

A milestone-by-milestone playbook for growing a yoga class, running club, book group, or any community group. The 12-person stall, the 25-person plateau, what breaks through each — and how RSVP tools make the difference.

Is Who's In? free to use for events?

Yes. Who's In? is 100% free for all features — RSVPs, waitlists, recurring events, memberships, analytics, and more. The only cost is a 2.7% flat fee on paid ticket sales. There are no subscriptions or hidden charges.

How do I get started with Who's In?

Sign up for free at whos-in.app, create your first event in under 2 minutes, and share the link via WhatsApp, email, or social media. No app download required for your guests — they RSVP via the mobile-optimised web link.