what is the population of mcallen tx
McAllen Demographics Summary. With 138,596 people, McAllen is the 21st most populated city in the state of Texas out of 1,701 cities. But watch out, McAllen, because Killeen with 138,154 people and Waco with 130,194 people are right behind you. The largest McAllen racial/ethnic groups are Hispanic (84.8%) followed by White (11.5%) and Asian (2.5%).