Press Releases October 7, 2026 04:15 PM

Costco Wholesale Corporation Reports September Sales Results

Costco reports a strong 13.0% increase in net sales for September, driven by robust comparable and digital sales growth.

By Maya Rios
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COST

Costco Wholesale Corporation reported net sales of $30.02 billion for the five weeks ended October 4, 2026, marking a 13.0% year-over-year increase. Comparable sales grew 11.4% company-wide, with digital sales rising 19.0%. Growth was observed across the U.S., Canada, and international segments despite some effects from calendar shifts. The company continues to expand its presence globally with 939 warehouses.

Costco Wholesale Corporation Reports September Sales Results
COST
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Key Points

  • September net sales increased by 13.0% to $30.02 billion compared to last year.
  • Comparable sales grew by 11.4% overall, with notable increases in the U.S. (12.5%) and digital sales growing 19.0%.
  • Costco operates 939 warehouses worldwide and continues e-commerce expansion in multiple countries.

ISSAQUAH, Wash., Oct. 07, 2026 (GLOBE NEWSWIRE) -- Costco Wholesale Corporation (“Costco” or the “Company”) (Nasdaq: COST) today reported net sales of $30.02 billion for the retail month of September, the five weeks ended October 4, 2026, an increase of 13.0 percent from $26.58 billion last year.

Comparable sales were as follows:

 5 WeeksU.S.12.5%Canada6.3%Other International10.8%  Total Company11.4%  

Comparable sales excluding the impacts from changes in gasoline prices and foreign exchange were as follows:

 5 WeeksU.S.8.0%Canada4.9%Other International7.7%  Total Company7.6%  

Digitally-enabled sales, which are sales initiated through a digital device, whether fulfilled through a warehouse, distribution center, or Costco Travel, increased year-over-year as follows:

 5 WeeksReported19.0%Excluding Foreign Exchange19.1%  

Labor Day in the U.S. and Canada occurred one week later this year. The shift positively impacted September total and comparable sales by a little more than 50bps.

Additional discussion of these results is available in a pre-recorded message. It can be accessed by visiting investor.costco.com (click on “Events & Presentations”). This message will be available through 4:00 p.m. (PT) on Wednesday, October 14, 2026.

Costco currently operates 939 warehouses, including 647 in the United States and Puerto Rico, 115 in Canada, 43 in Mexico, 37 in Japan, 29 in the United Kingdom, 20 in Korea, 15 in Australia, 14 in Taiwan, seven in China, five in Spain, three in France, two in Sweden, and one each in Iceland, and New Zealand. Costco also operates e-commerce sites in the U.S., Canada, the U.K., Mexico, Korea, Taiwan, Japan, Australia, and China.

Certain statements contained in this document and the pre-recorded message constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. For these purposes, forward-looking statements are statements that address activities, events, conditions or developments that the Company expects or anticipates may occur in the future. In some cases forward-looking statements can be identified because they contain words such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “likely,” “may,” “might,” “plan,” “potential,” “predict,” “project,” “seek,” “should,” “target,” “will,” “would,” or similar expressions and the negatives of those terms. Such forward-looking statements involve risks and uncertainties that may cause actual events, results or performance to differ materially from those indicated by such statements. These risks and uncertainties include, but are not limited to, domestic and international economic conditions, including exchange rates, inflation or deflation, the effects of competition and regulation, uncertainties in the financial markets, consumer and small business spending patterns and debt levels, breaches of security or privacy of member or business information, conditions affecting the acquisition, development, ownership or use of real estate, capital spending, actions of vendors, rising costs associated with employees (generally including health-care costs and wages), workforce interruptions, energy and certain commodities, geopolitical conditions (including tariffs and global conflicts), the ability to maintain effective internal control over financial reporting, regulatory and other impacts related to environmental and social matters, public-health related factors, and other risks identified from time to time in the Company’s public statements and reports filed with the Securities and Exchange Commission. Forward-looking statements speak only as of the date they are made, and the Company does not undertake to update these statements, except as required by law. Comparable sales and comparable sales excluding impacts from changes in gasoline prices and foreign exchange are intended as supplemental information and are not a substitute for net sales presented in accordance with U.S. GAAP.

CONTACTS:Costco Wholesale Corporation
Josh Dahmen, 425/313-8254 
Andrew Yoon, 425/313-6305 
Bryan Starnes, 425/427-7403

COST-Sales


Risks

  • Economic conditions including inflation, exchange rates, and geopolitical tensions could impact future sales and profitability.
  • Rising costs related to labor, healthcare, and commodities may pressure margins.
  • Competition, regulatory changes, and public-health factors present ongoing uncertainties for operations.

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