Costco's December 2020 overall sales increased 10.7 per cent versus the +9.5 per cent market consensus. Net sales were $19.14 billion for the five weeks ended January 3, 2021.
Sales in Canada for the five-week period were up 8.0 per cent versus U.S. sales that increased 9.6 per cent.
Costco and other grocery retailers have enjoyed pandemic-related sales surges in recent months as shoppers flocked to grocery stories to stock up.
Online comparable-sales rose 62 per cent in December, a decrease from previous months.
The December numbers come on the heels of a 15.1 per cent sales jump in November and a 16 per cent sales rise in October.
Costco operates 102 warehouses in Canada.