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r/tumblr↗

r/CuratedTumblr but bigger and with equally good moderation

1.4M subscribers202 posts / mo in Sep 2026130 authors / mosince 2009

r/tumblr has 1.4M members (+1.0% over the last 12 months). It gets about 202 posts a month from 130 people. Top topics: Tumblr Art & Posts, Tumblrina Action and Tumblr Memes & Culture.

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Free report

When to post on r/tumblr

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/tumblr, removal risk and the rest of the report are one step away.

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Size and growth

How r/tumblr has grown

r/tumblr

Subscriber growth

Subscribers over time

+1.0%in 12 months · +0.1% in 3 months · +0.0% in 1 month
Oct 20261.4M
Growing1.4M subscribers
Data since Mar 2018Live · through Oct 2026
r/tumblr

Monthly activity

Posts, comments and authors per month

−17%vs Sep 2025 · −24% last 3 months vs the 3 before
Sep 2026202
QuieterPeaked at 3.8k in Dec 2021
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/tumblr

Top topics

Share of the subreddit's posts

  1. Tumblr Art & Posts0.4%
  2. Tumblrina Action0.3%
  3. Tumblr Memes & Culture0.3%
  4. Tumblr Art & Comics0.2%
  5. Tumblr Finds0.2%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. xkcd
  2. Wolfram
  3. Know Your Meme
  4. NPR
  5. Project Gutenberg

The full report

Everything else about r/tumblr

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research