r/Costco is a subreddit with 1.6M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses hate, struggling, costco, worst, and annoying, and they frequently recommend/review sparkling water, protein bar, and coffee bean.
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Popular Themes in r/Costco
#1
Advice Requests
: "Anyone tried the Kirkland hydration sticks?"
9 posts
#2
Solution Requests
: "Samsung M70H Mini-LED 75” vs TCL Q77K 75” — which would you choose?"
3 posts
#3
Pain & Anger
: "Sport Research Multivitamin contamination?"
1 post
#4
Money Talk
: "good deal? iPad Pro M4 $650"
1 post
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
[Bakery]
: "Costco Fairfax has Pumpkin Pies"
7 posts
#2
Clothing
: "Making sure the kiddos stay lookin fresh."
4 posts
#3
[Clearance 97 Deals]
: "Philips Sonicare 2pk $29.97 westbury NY"
4 posts
#4
[General Question]
: "Anyone know if the Washington State Fair 4 pack can be used by two people twice?"
4 posts
#5
[Grocery]
: "The Indian food selection is pretty great at my Costco. My favorite is the Chicken Biryani."
3 posts
#6
[Costco.com]
: "Sport Research Multivitamin contamination?"
3 posts
#7
[Alcohol]
: "Teeter-Totter 'Napa' Cab (97 Pts) by Benoit Touquette (Screaming Eagle) for $35 (NAPA, CA)"
3 posts
#8
[Product]
: "Obsessed with the salmon stackers"
2 posts
#9
[Pet Products]
: "Costco doggie beds- what’s on the inside!"
2 posts
#10
[Mildly Interesting]
: "Costco towels at Marriott."
2 posts
Member Growth in r/Costco
Yearly
+210k members(14.9%)
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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: September 1, 2026