r/serialkillers

Community Overview
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About r/serialkillers

Information and news about serial killers.

The community at a glance

r/serialkillers is a Subreddit for Just for Fun and True Crime Enthusiasts with roughly 661K members. It uses a forum format for communication. On the Hive Index it ranks #10 in the True Crime communities list. It is the 7th largest community in the Just for Fun topic page.

Roughly 26K members have joined in the past year. Popular discussion topics include Looking For, Worst Serial Killer, and Serial Killers. Common discussion themes are Advice Requests and Solution Requests. Product recommendations often mention books, documentaries, and podcasts.

On Reddit
661K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +26K members
Growth: +4.2% / year

Member growth over time

All time (yearly)

  • 2013: 6K members
  • 2014: 8K members
  • 2015: 10K members
  • 2016: 19K members
  • 2017: 22K members
  • 2018: 43K members
  • 2019: 138K members
  • 2020: 160K members
  • 2021: 113K members
  • 2022: 69K members
  • 2024: 34K members
  • 2025: 16K members
  • 2026: 16K members

Past year (monthly)

  • Sep: 1K members
  • Oct: 4K members
  • Nov: 2K members
  • Dec: 2K members
  • Jan: 2K members
  • Feb: 2K members
  • Mar: 2K members
  • Apr: 2K members
  • May: 2K members
  • Jun: 2K members
  • Jul: 2K members
  • Aug: 2K members

Themes

  • Advice Requests
    8 posts in the past month
    1. Surely there must have been lots of serial killers in medieval and early modern times who went unnoticed due to the lack of mass media attention?
    2. How do ya think serial killers feel about other serial killers?
    3. The Idaho Murders: More and More Open Questions
    #1
    Advice Requests
    Surely there must have been lots of serial killers in medieval and early modern times who went unnoticed due to the lack of mass media attention? · How do ya think serial killers feel about other serial killers? · The Idaho Murders: More and More Open Questions
    8
  • Solution Requests
    2 posts in the past month
    1. Help identifying some murderers from a 1993 album cover (read body text if interested)
    2. Need Testers for My Detective Game’s Closed Test – English Language Available
    #2
    Solution Requests
    Help identifying some murderers from a 1993 album cover (read body text if interested) · Need Testers for My Detective Game’s Closed Test – English Language Available
    2

Topics

  • Looking For
    26 posts in the past month
    #1
    Looking For
    26
  • Worst Serial Killer
    21 posts in the past month
    #2
    Worst Serial Killer
    21
  • Serial Killers
    10 posts in the past month
    #3
    Serial Killers
    10
  • Worst
    9 posts in the past month
    #4
    Worst
    9
  • American Serial Killer
    4 posts in the past month
    #5
    American Serial Killer
    4

Flair

  • News
    83 posts in the past month
    1. Remembering Janice Ann Ott and Denise Marie Naslund on the date of her passing
    2. Remembering Susan Curtis on the anniversary of her passing
    3. Dennis Rader’s reply to my high school assignment
    #1
    News
    Remembering Janice Ann Ott and Denise Marie Naslund on the date of her passing · Remembering Susan Curtis on the anniversary of her passing · Dennis Rader’s reply to my high school assignment
    83
  • Discussion
    39 posts in the past month
    1. How do ya think serial killers feel about other serial killers?
    2. The Fox Hollow Farm murders: Suspicious lack of horses on a "horse farm"
    3. Is there a killer (serial or one time killer) that you believe without a shadow of doubt that they have more victims out there that have yet to be connected or discovered?
    #2
    Discussion
    How do ya think serial killers feel about other serial killers? · The Fox Hollow Farm murders: Suspicious lack of horses on a "horse farm" · Is there a killer (serial or one time killer) that you believe without a shadow of doubt that they have more victims out there that have yet to be connected or discovered?
    39
  • Image
    36 posts in the past month
    1. New picture of Ed Kemper surfaces
    2. In 2004, Dennis Rader (B.T.K) left a package for the police department in Wichita that included Nancy Fox’s drivers license and a Barbie doll with its hands and feet bound with a plastic bag wrapped around its head.
    3. Remembering Michael Sean O'Fallon 46 years after his death
    #3
    Image
    New picture of Ed Kemper surfaces · In 2004, Dennis Rader (B.T.K) left a package for the police department in Wichita that included Nancy Fox’s drivers license and a Barbie doll with its hands and feet bound with a plastic bag wrapped around its head. · Remembering Michael Sean O'Fallon 46 years after his death
    36
  • Questions
    24 posts in the past month
    1. Have you ever unknowingly met or interacted with a serial killer?
    2. Why did Gary Ridgway mostly stop killing after 1984?
    3. Kermit Gosnell is a convicted serial killer, but would he be one of the most prolific considering his work?
    #4
    Questions
    Have you ever unknowingly met or interacted with a serial killer? · Why did Gary Ridgway mostly stop killing after 1984? · Kermit Gosnell is a convicted serial killer, but would he be one of the most prolific considering his work?
    24
  • Other
    5 posts in the past month
    1. Stephen port (the grindr killer)
    2. Clarnell stage, Ed Kemper mom as young
    3. Scarborough rap*st
    #5
    Other
    Stephen port (the grindr killer) · Clarnell stage, Ed Kemper mom as young · Scarborough rap*st
    5

Product recommendations

  • books
    23 posts in the past month
    1. Best book on Joel Rifkin?
    2. Best books?
    3. What are the best nonfiction books about David Berkowitz/Son of Sam?
    #1
    books
    Best book on Joel Rifkin? · Best books? · What are the best nonfiction books about David Berkowitz/Son of Sam?
    23
  • documentaries
    13 posts in the past month
    1. Best Serial Killer Documentaries/Films
    2. Best SK documentary?
    3. Best SK documentary?
    #2
    documentaries
    Best Serial Killer Documentaries/Films · Best SK documentary? · Best SK documentary?
    13
  • podcasts
    12 posts in the past month
    1. Best podcasts about our “favorite” SK?
    2. Best podcasts about our “favorite” SK?
    3. What's the best true crime podcast you've listened to?
    #3
    podcasts
    Best podcasts about our “favorite” SK? · Best podcasts about our “favorite” SK? · What's the best true crime podcast you've listened to?
    12
  • movies
    12 posts in the past month
    1. What are the best serial killer Books/Movies?
    2. What are the best movies about serial killers you have seen? Especially outside of the United States
    3. Best Serial Killer Documentaries/Films
    #4
    movies
    What are the best serial killer Books/Movies? · What are the best movies about serial killers you have seen? Especially outside of the United States · Best Serial Killer Documentaries/Films
    12
View full analysis on GummySearchSynced 8/14/2026

Frequently asked questions

Who is r/serialkillers for?
Best for Just for Fun and True Crime Enthusiasts enthusiasts looking for a Reddit-based community with forum discussion.
Is r/serialkillers free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/serialkillers have?
Roughly 661K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/serialkillers on?
r/serialkillers runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/serialkillers cover?
On the Hive Index, r/serialkillers is organized under Just for Fun, True Crime Enthusiasts.
How do I join r/serialkillers?
You can join r/serialkillers by clicking this link, or pressing the "Go to community" button above.
What are the Just for Fun communities like?
Communities without a serious agenda, focused on games, humor, random chat, and lighthearted interaction. Discord dominates this space, with massive servers for trivia, emoji games, meme sharing, and just hanging out. Good if you want to meet people in a low-pressure environment or find a fun community without a specific niche.
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Added 4/28/2026

Monthly Stats

9
Views /mo
(-10%)
7
Visitors /mo
(-12%)
1
Referrals /mo

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