Blanket, TX has a population of 381 and is the 21,133rd largest city in the United States. The population density is 620 per sq mi which is 540% higher than the Texas average and 585% higher than the national average. The median age in Blanket is 42 which is approximately 22% higher than the Texas average of 34. In Blanket, 57% of the population over 15 years of age are married, 95% speak English and 4% speak Spanish. 88% of Blanket residents were born in Texas, 10% were born out of state, 0% were born outside of the United States and 1% were foreign born.