How many Costco stores are there?
It is growing. Costco’s US store locator lists 654 stores as of Oct 17, 2026. That is 25 more than in October 2025 (▲ 4.0%).
Costco’s 10-K for the period to May 10, 2026 says: “At May 10, 2026, Costco operated 928 warehouses worldwide: 637 in the United States (U.S.)” (source)
Changes marked “estimate” aren’t anchored to a company count yet, so we don’t use them in headlines (why).
Where is Costco adding stores?
| State | Oct 2025 | Oct 2026 | Change |
|---|---|---|---|
| TX | 44 | 50 | +6 |
| CA | 143 | 147 | +4 |
| NY | 19 | 21 | +2 |
| UT | 14 | 16 | +2 |
| FL | 35 | 36 | +1 |
| IL | 23 | 24 | +1 |
| AZ | 20 | 21 | +1 |
| MI | 18 | 19 | +1 |
| GA | 17 | 18 | +1 |
| CO | 16 | 17 | +1 |
Distinct stores on the store locator in each state, about a year apart.
Which Costco stores are no longer on the store locator?
Since October 2026
1 store no longer on the store locator and 6 new, comparing the locator on Sep 19, 2026 with its runs of Oct 10, 2026 and Oct 17, 2026.
- KANSAS CITY, MO
A store counts only if it is missing from two runs in a row, and nothing of the chain is within 50 m. Missing from the locator isn’t proof a store has shut for good; we only say “closed” when two sources say so.
Timeline
- Costco reports 637: US warehouses (47 states, DC and Puerto Rico). SEC Form 10-K
- Our store-locator count: 654 US stores. The Store Count
How many Costco stores are there in the US?
654, according to Costco’s own store locator on Oct 17, 2026, after removing duplicates and anything outside the US. Costco itself reported 637 on May 10, 2026 (SEC Form 10-K).
Is Costco closing stores in 2026?
Growing, as of May 10, 2026: Costco’s 10-K for the period to May 10, 2026 says: “At May 10, 2026, Costco operated 928 warehouses worldwide: 637 in the United States (U.S.)” (source) On the store locator, the count has changed by +20 since early January.