What is the richest town in Oklahoma?

Could you elaborate on what makes a town in Oklahoma considered "rich"? Are we talking about the average income of its residents, the number of high-paying jobs available, or perhaps the overall wealth and prosperity of the community? Also, have there been any recent changes or developments in Oklahoma that might have shifted the title of the richest town? Understanding these factors would help provide a more accurate and comprehensive answer to the question, "What is the richest town in Oklahoma?