r/harrypotter
The Great Hall
Founded June 2008 · Public — anyone can post
Welcome to r/HarryPotter, the place where fans from around the world can meet and discuss everything in the Harry Potter universe! Be sorted, earn house points, debate which actor portrayed Dumbledore the best and finally get some closure for your Post-Potter Depression.
Members
3,833,673
3.8M
Online now
—
not captured in the last snapshot
Posts per day
—
no sample yet
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
+1.2%
+47K members · ≈24d
Promo tolerance
—
not assessed yet
Last post
—
no sample yet
Distinct posters
—
no sample yet
Tracking since Sep 3 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
Similar by content
Communities that discuss what r/harrypotter discusses.
Subreddit Welcome to the largest community for fans of Harry Potter HBO series.
For discussion of Harry Potter fanfiction. —— Join our discord server: https://discord.gg/aEMFNpXT3Z
Your one-stop wizard shop for all things Hogwarts Legacy and HP Quidditch Champions! Check out our subreddit Discord server, too: (we had to make a new one as the old one got hacked) https://discord.gg/eKC5kKBBzB
A place to discuss Lord of the Rings, the Hobbit, and any of Tolkien's work!
See the full lists on similar subreddits.
r/harrypotter — frequently asked
How many members does r/harrypotter have?
r/harrypotter has 3,833,673 members as of our most recent crawl on Sep 27. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/harrypotter growing?
Over the last ≈24 days r/harrypotter changed by +1.2% — a gain of 47K members. We compare against the nearest snapshot we actually hold and state the real span rather than rounding it to a clean "30 days".
How active is r/harrypotter?
We don't have a reliable posting-rate sample for r/harrypotter yet. Subscriber count alone is a poor guide to whether a community is active, so treat this one as unverified until the next sample lands.
When was r/harrypotter created?
r/harrypotter was founded in June 2008 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Can I promote my product in r/harrypotter?
We don't have a promo-tolerance read for r/harrypotter yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/harrypotter for mentions?
Hit Watch on this page. Prowlo starts crawling r/harrypotter into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/harrypotter's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/harrypotter's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
Read-only · Human-in-the-loop
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