Webthe average retail store manager base salary at costco wholesale is $80k per year. The average additional pay is $14k per year, which could include cash bonus,. Webexplore careers at costco. Costco has been a leader in the warehouse club and retail industry for more than four decades. We know our accomplishments are tied directly to. Webthe average salary for a retail store manager at costco wholesale company is $79,250 in 2024. Visit payscale to research retail store manager salaries by. Webthe estimated total pay for a store manager is $88,273 per year in the united states area, with an average salary of $58,260 per year. These numbers represent the median,.