r/Costco is a subreddit with 1.6M members. The community frequently discusses hate, struggling, costco, worst, and annoying, and they frequently recommend/review sparkling water, protein bar, and coffee bean, and the most common flair used is [general question], [meme / shitpost], [product], [costco travel], and [grocery].
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Popular Topics in r/Costco
#1
Hate
12 posts
#2
Struggling
9 posts
#3
Costco
8 posts
#4
Worst
8 posts
#5
Annoying
7 posts
#6
Frustrating
4 posts
#7
Bacon Quality
4 posts
#8
Rotisserie Chicken
4 posts
#9
App
3 posts
#10
Shopping Carts
3 posts
Products Discussed in r/Costco
Sparkling Water
138 reviews
#1
Spindrift
4.8★ from 19 reviews
#2
SodaStream
4.9★ from 19 reviews
#3
Waterloo
4.5★ from 17 reviews
Protein Bar
130 reviews
#1
Kirkland
4.3★ from 21 reviews
#2
Pure Protein
4.5★ from 17 reviews
#3
RX Bar
3.8★ from 9 reviews
Coffee Bean
89 reviews
#1
Ruta Maya
4.5★ from 23 reviews
#2
Mayorga
4.5★ from 18 reviews
#3
Lavazza
4.3★ from 9 reviews
Flair Used in r/Costco
#1
[General Question]
: "Costco out of Kirkland 0W-20 motor oil"
4 posts
#2
[Meme / Shitpost]
: "Costco, I love you, but can we discuss the shopping cart electrocution?"
2 posts
#3
[Product]
: "Has anyone tried Better Than Ramen (A collab between A-Sha Meteor Noodles and Better than Bouillon*?). How is the spice level? Does it have a lot of chili oil?"
2 posts
#4
[Costco Travel]
: "Costco Travel - Aulani Packages"
2 posts
#5
[Grocery]
: "Costco Organic Banana in Houston"
2 posts
#6
[Clearance 97 Deals]
: "Nespresso Vertuo Next .97"
2 posts
#7
[Samples]
: "Ithaca Hummus - consider me influenced"
1 post
#8
[Reviews]
: "Posh Pantry Mini Fudge Brownies - very much not good"
1 post
#9
[Haul]
: "Another Jumbo Capybara in the car pic."
1 post
#10
[Gas Station]
: "I’ve been blessed with premium 🙌🏻"
1 post
Member Growth in r/Costco
Yearly
+226k members(16.3%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/Costco, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: August 12, 2026