Alvarado, TX has a population of 3,863 and is the 7,602nd largest city in the United States. The population density is 930 per sq mi which is 860% higher than the Texas average and 927% higher than the national average. The median age in Alvarado is 35 which is approximately 1% higher than the Texas average of 34. In Alvarado, 53% of the population over 15 years of age are married, 89% speak English and 11% speak Spanish. 75% of Alvarado residents were born in Texas, 23% were born out of state, 1% were born outside of the United States and 1% were foreign born.