Analysts surveyed by Thomson Reuters predicted a 2.6 percent increase for the wholesale club operator.
This figure is a key gauge of a retailer's health because it excludes results from locations recently opened or closed.
In the U.S., the metric climbed 4 percent. It rose 3 percent overseas.
Excluding the impact of lower gas prices and foreign currency fluctuation, sales at stores open at least a year increased 6 percent. It climbed 5 percent in the U.S. and rose 7 percent internationally.
Costco Wholesale Corp., which is based in Issaquah, Wash., said Thursday that total revenue for the four weeks ended Nov. 3 climbed 6 percent to $8.15 billion.