Costco Wholesale (COST) Monthly Sales Update August 2026 summary

Sales performance overview

• Net sales for August reached $23.70 billion, up 9.9% from $21.56 billion last year.

• Fourth quarter net sales totaled $93.9 billion, an 11.3% increase from the prior year.

• Fiscal year net sales were $297.3 billion, rising 10.2% from last year.

• Total company comparable sales rose 8.4% in August, with digitally enabled sales up 17.9%.

• Digitally-enabled comparable sales surged 20.9% for the fiscal year.

Regional and category highlights

• Comparable sales for the fiscal year grew 9.8% in the U.S., 8.4% in Canada, and 9.4% internationally.

• Strongest U.S. regions: Southeast, San Diego, and Midwest.

• Best international results: Spain, China, and Korea.

• Foods and sundries grew low single digits; fresh foods up mid-single digits.

• Non-foods rose mid-single digits; top departments included home furnishing, sporting goods, and jewelry.

Adjusted comparable sales

• Excluding gasoline and FX, U.S. comparable sales rose 6.5% for the fiscal year.

• Canada and other international markets saw 5.4% and 6.7% growth, respectively, for the fiscal year.

• Excluding gasoline and FX, total comparable sales increased 5.4% in August.

• Digitally-enabled comparable sales excluding gasoline and FX increased 20.7% for the fiscal year.

• Comp traffic grew 2.5% worldwide and 2.3% in the U.S.