Cienegas Terrace, TX has a population of 2,994 and is the 8,827th largest city in the United States. The population density is 939 per sq mi which is 869% higher than the Texas average and 937% higher than the national average. The median age in Cienegas Terrace is 25 which is approximately 28% lower than the Texas average of 34. In Cienegas Terrace, 55% of the population over 15 years of age are married, 6% speak English and 94% speak Spanish. 62% of Cienegas Terrace residents were born in Texas, 6% were born out of state, 3% were born outside of the United States and 29% were foreign born.