Population of Amarillo in 1920 was 15,494.

In 1920, Amarillo was the 15th largest city in Texas with a population of 15,494. Towns larger than Amarillo at the time included Ranger, Denison, Waco, and Wichita Falls. Today, Amarillo has a population of 196,429; Waco, 130,194; Wichita Falls, 104,553; Denison, 22,816; and Ranger, 2,468. The Amarillo "metropolitan area," which includes four counties, has an estimated population of 236,113.