By Shawn Ward, Geezeo Co-Founder

Costco

(COST) - Get Report

customers are spending more and coming back more often than they do at

BJ's Wholesale

(BJS)

and

Wal-Mart's

(WMT) - Get Report

Sam's Club.

On average consumers visit Costco 2.8 times per month, compared with 2.37 visits a month on average at Sam's Club and 2.1 visits a month at BJs, according to the new Main Street Spending Index compiled by

Geezeo,

a personal finance Web site that helps consumers track their spending.

Click here for larger image.

Source: http://consumerdata.geezeo.com/

Costco shoppers pony up an average of $92.82 each time they visit the retailer, adding up to an average $268 from every customer, every month -- 55% percent more than Sam's Club, 59% percent more than Wal-Mart itself and 70% more than BJ's.

Click here for larger image.

Source: http://consumerdata.geezeo.com/

Geezeo's Main Street Spending Index tracks more than 4 million consumer transactions from 800 companies doing business in the United States and Canada. Market segments include retail, dining out, entertainment, household and utilities. Data is anonymously collected weekly and based on up-to-date bank information.

To view the full index and see how other stocks are performing, click here:

Main Street Spending Index

.

For more information about Geezeo or to track your own expenses and find ways to save, visit www.geezeo.com. More than half of people using Geezeo's free budget tools are saving an estimated $1,200 annually.