amarillo,_texas | populationdensity | 7460 (inhabitants per square kilometre) <sep> amarillo ( am-ə-ril-oh; spanish for 'yellow') is a city in the us state of texas and the seat of potter county it is the 14th-most populous city in texas and the largest city in the texas panhandle a portion of the city extends into randall county the estimated population of amarillo was 200,393 as of april 1, 2020 
amarillo texas has a population density of 746.0 inhabitants per square kilometre.no information