Briarcliff, TX has a population of 1,570 and is the 12,435th largest city in the United States. The population density is 926 per sq mi which is 855% higher than the Texas average and 922% higher than the national average. The median age in Briarcliff is 50 which is approximately 45% higher than the Texas average of 34. In Briarcliff, 72% of the population over 15 years of age are married, 90% speak English and 8% speak Spanish. 57% of Briarcliff residents were born in Texas, 38% were born out of state, 2% were born outside of the United States and 3% were foreign born.