r/Costco is a subreddit with 1.6M members. The community frequently discusses costco, food, hate, struggling, and worst, and they frequently recommend/review sparkling water, protein bar, and coffee bean, and the most common flair used is [clearance 97 deals], [grocery], [frozen food products], [general question], and [member].
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Popular Topics in r/Costco
#1
Costco
88 posts
#2
Food
38 posts
#3
Hate
12 posts
#4
Struggling
9 posts
#5
Worst
9 posts
#6
Annoying
7 posts
#7
Chicken
7 posts
#8
Deals
7 posts
#9
Beef
6 posts
#10
Cheese
6 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
[Clearance 97 Deals]
: "Alani Slush Variety 18-pack $9.97 - Clifton, NJ"
3 posts
#2
[Grocery]
: "I'm Doing My Part! (Brioche Hamburger Buns)"
3 posts
#3
[Frozen Food Products]
: "Cooking Kirkland Waygu Burgers?"
2 posts
#4
[General Question]
: "Multiple Costco Auditor Letters"
1 post
#5
[Member]
: "Costco commemorative 40 year [gold]? card. How excited the clicker was"
1 post
#6
[Haul]
: "I highly recommend the wasabi tuna poke (or any poke) with the seaweed bugak chips!!"
1 post
#7
[Megathread]
: "July 01, 2026 - Costco Monthly Megathread: Post New Costco Finds (please type the product name in your comment even if you're posting an image) and/or Any Availability / Inventory / Stock Questions Here Only (must include your approximate location or region so others can help you as YMMV)"
1 post
#8
[Seeking Recommendations]
: "Tour de Costco: Local Favorites"
1 post
#9
[Returns Question]
: "So sad about the Envy apples"
1 post
#10
Home and Kitchen
: "Pictures of Installed Mohawk Laminate"
1 post
Member Growth in r/Costco
Yearly
+269k members(20.6%)
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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: July 3, 2026