However , in 2020 , the projected population for the city is projected to surpass 310,000 .
The Amarillo metropolitan area has an estimated population of 276,020 in four counties as of 2017 .
In 2020 , the projected population for the city is projected to surpass 310,000 .
The Amarillo metropolitan area has an estimated population of 276,020 in four counties as of 2017 .