Houston population could reach 10 million people in the next 20 years

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.