Where is the fuel filter located in 2002 Jeep Overland?

The fuel filter on a 2002 Jeep Grand Cherokee Overland (assuming you mean Grand Cherokee, as there's no other "Overland" model in that year) is located inside the fuel tank. This means it's not accessible for replacement without dropping the fuel tank. It's integrated into the fuel pump assembly. Therefore, you'll need to replace the entire fuel pump assembly to change the filter.