HOUSTON, Texas (KTRK) -- The city of Houston could see a population boom in the next 20 years.
METRO Next says the area could hit 10 million people by 2040.
As of 2015, the population was around 6 million.
Forecasters predict much of that growth will happen in the city proper, but may also spread into the Montgomery County area.
Houston population could reach 10 million people in the next 20 years