OKLAHOMA CITY - Get ready for rush hour to be even busier. 

Bizjournals.com crunched the numbers and Oklahoma City's population is expected to grow by 38 percent by 2040. 

That would make our population around 1.87 million people. 

Given our current population of 1.36 million, it's anticipated we'll add over 500,000 people to our city within the next 20 years.