The economic impact of the Saint Louis Zoo is a measure of the amount of and the way that dollars associated with the Zoo circulate through the region. There are three levels of impact the St. Louis Regional Chamber & Growth Association considers when they develop these figures: the direct impact, the indirect business impact, and tourism and visitor spending impact. All three of these an be expressed in terms of annual flow of dollars or annual full-time jobs.

2014 Economic Impact
Full-time Employees 330
Part-time Employees 170
Seasonal Employees 950
Capital Improvement Jobs Created 274
Tourism Spending Jobs Created 495
Total Employment 2,139
Operating Expenses/Payroll $141,200,000
Capital Improvements $42,700,000
Tourism Spending $47,000,000
Total Economic Impact $230,900,000
2012 Total Economic Impact $202,700,000