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. In addition, your location will. Webhow much does a store manager make at costco wholesale in the united states? The estimated average pay for store manager at this company in the united states is. 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,. Webaverage salaries for costco wholesale manager: Costco wholesale salary trends based on salaries posted anonymously by costco wholesale employees. Webaverage salaries for costco wholesale store manager: Costco wholesale salary trends based on salaries posted anonymously by costco wholesale employees.